HE

he-2026022700003547070000046207falsefalse00003547072026-02-272026-02-270000354707he:HawaiianElectricCompanyInc.Member2026-02-272026-02-27

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: February 27, 2026 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1099 Alakea Street, Suite 2200, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On February 27, 2026, HEI issued a news release, “HEI Reports Fourth Quarter and Full Year 2025 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated February 27, 2026, “HEI Reports Fourth Quarter and Full Year 2025 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Scott T. DeGhetto/s/ Paul K. Ito Scott T. DeGhettoPaul K. Ito Executive Vice President andSenior Vice President, Chief Financial OfficerChief Financial Officer and Treasurer

Date: February 27, 2026 Date: February 27, 2026

2

he-2025110700003547070000046207falsefalse00003547072025-11-072025-11-070000354707he:HawaiianElectricCompanyInc.Member2025-11-072025-11-07

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: November 7, 2025 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1099 Alakea Street, Suite 2200, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On November 7, 2025, HEI issued a news release, “HEI Reports Third Quarter 2025 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated November 7, 2025, “HEI Reports Third Quarter 2025 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Scott T. DeGhetto/s/ Paul K. Ito Scott T. DeGhettoPaul K. Ito Executive Vice President andSenior Vice President, Chief Financial OfficerChief Financial Officer and Treasurer

Date: November 7, 2025 Date: November 7, 2025

2

he-2025080700003547070000046207falsefalse00003547072025-08-072025-08-070000354707he:HawaiianElectricCompanyInc.Member2025-08-072025-08-07

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: August 7, 2025 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1099 Alakea Street, Suite 2200, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On August 7, 2025, HEI issued a news release, “HEI Reports Second Quarter 2025 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated August 7, 2025, “HEI Reports Second Quarter 2025 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Scott T. DeGhetto/s/ Paul K. Ito Scott T. DeGhettoPaul K. Ito Executive Vice President andSenior Vice President, Chief Financial OfficerChief Financial Officer and Treasurer

Date: August 7, 2025 Date: August 7, 2025

2

he-2025050900003547070000046207falsefalse00003547072025-05-092025-05-090000354707he:HawaiianElectricCompanyInc.Member2025-05-092025-05-09

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: May 9, 2025 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1099 Alakea Street, Suite 2200, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On May 9, 2025, HEI issued a news release, “HEI Reports First Quarter 2025 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated May 9, 2025, “HEI Reports First Quarter 2025 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Scott T. DeGhetto/s/ Paul K. Ito Scott T. DeGhettoPaul K. Ito Executive Vice President andSenior Vice President, Chief Financial OfficerChief Financial Officer and Treasurer

Date: May 9, 2025 Date: May 9, 2025

2

he-2025022100003547070000046207falsefalse00003547072025-02-212025-02-210000354707he:HawaiianElectricCompanyInc.Member2025-02-212025-02-21

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: February 21, 2025 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1099 Alakea Street, Suite 2200, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On February 21, 2025, HEI issued a news release, “HEI Reports Fourth Quarter and Full Year 2024 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated February 21, 2025, “HEI Reports Fourth Quarter and Full Year 2024 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Scott T. DeGhetto/s/ Paul K. Ito Scott T. DeGhettoPaul K. Ito Executive Vice President, Senior Vice President, Chief Financial Officer and TreasurerChief Financial Officer and Treasurer

Date: February 21, 2025 Date: February 21, 2025

2

he-2024110800003547070000046207falsefalse00003547072024-11-082024-11-080000354707he:HawaiianElectricCompanyInc.Member2024-11-082024-11-08

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: November 8, 2024 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1099 Alakea Street, Suite 2200, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On November 8, 2024, HEI issued a news release, “HEI Reports Third Quarter 2024 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated November 8, 2024, “HEI Reports Third Quarter 2024 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Scott T. DeGhetto/s/ Paul K. Ito Scott T. DeGhettoPaul K. Ito Executive Vice President, Senior Vice President, Chief Financial Officer and TreasurerChief Financial Officer and Treasurer

Date: November 8, 2024 Date: November 8, 2024

2

he-2024080900003547070000046207falsefalse00003547072024-08-092024-08-090000354707he:HawaiianElectricCompanyInc.Member2024-08-092024-08-09

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: August 9, 2024 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1099 Alakea Street, Suite 2200, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On August 9, 2024, HEI issued a news release, “HEI Reports Second Quarter 2024 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated August 9, 2024, “HEI Reports Second Quarter 2024 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Scott T. DeGhetto/s/ Paul K. Ito Scott T. DeGhettoPaul K. Ito Executive Vice President, Senior Vice President, Chief Financial Officer and TreasurerChief Financial Officer and Treasurer

Date: August 9, 2024 Date: August 9, 2024

2

he-2024051000003547070000046207falsefalse00003547072024-05-102024-05-100000354707he:HawaiianElectricCompanyInc.Member2024-05-102024-05-10

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: May 10, 2024 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1099 Alakea Street, Suite 2200, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On May 10, 2024, HEI issued a news release, “HEI Reports First Quarter 2024 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated May 10, 2024, “HEI Reports First Quarter 2024 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Scott T. DeGhetto/s/ Paul K. Ito Scott T. DeGhettoPaul K. Ito Executive Vice President, Senior Vice President, Chief Financial Officer and TreasurerChief Financial Officer and Treasurer

Date: May 10, 2024 Date: May 10, 2024

2

he-2024021300003547070000046207falsefalse00003547072024-02-132024-02-130000354707he:HawaiianElectricCompanyInc.Member2024-02-132024-02-13

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: February 13, 2024 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1099 Alakea Street, Suite 2200, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On February 13, 2024, HEI issued a news release, “HEI Reports 2023 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated February 13, 2024, “HEI Reports 2023 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Scott T. DeGhetto/s/ Paul K. Ito Scott T. DeGhettoPaul K. Ito Executive Vice President, Senior Vice President, Chief Financial Officer and TreasurerChief Financial Officer and Treasurer

Date: February 13, 2024 Date: February 13, 2024

2

he-2023110900003547070000046207falsefalse00003547072023-11-092023-11-090000354707he:HawaiianElectricCompanyInc.Member2023-11-092023-11-09

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: November 9, 2023 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1099 Alakea Street, Suite 2200, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On November 9, 2023, HEI issued a news release, “HEI Reports Third Quarter 2023 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated November 9, 2023, “HEI Reports Third Quarter 2023 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Scott T. DeGhetto/s/ Paul K. Ito Scott T. DeGhettoPaul K. Ito Executive Vice President, Senior Vice President, Chief Financial Officer and TreasurerChief Financial Officer and Treasurer

Date: November 9, 2023 Date: November 9, 2023

1

he-2023080700003547070000046207falsefalse00003547072023-08-072023-08-070000354707he:HawaiianElectricCompanyInc.Member2023-08-072023-08-07

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: August 7, 2023 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1099 Alakea Street, Suite 2200, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On August 7, 2023, HEI issued a news release, “HEI Reports Second Quarter 2023 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated August 7, 2023, “HEI Reports Second Quarter 2023 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Paul K. Ito/s/ Tayne S. Y. Sekimura Paul K. ItoTayne S. Y. Sekimura Executive Vice President, Senior Vice President, Chief Financial Officer and TreasurerChief Financial Officer and Treasurer

Date: August 7, 2023 Date: August 7, 2023

1

he-2023050900003547070000046207falsefalse00003547072023-05-092023-05-090000354707he:HawaiianElectricCompanyInc.Member2023-05-092023-05-09

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: May 9, 2023 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1099 Alakea Street, Suite 2200, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On May 9, 2023, HEI issued a news release, “HEI Reports First Quarter 2023 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated May 9, 2023, “HEI Reports First Quarter 2023 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Paul K. Ito/s/ Tayne S. Y. Sekimura Paul K. ItoTayne S. Y. Sekimura Executive Vice President, Senior Vice President, Chief Financial Officer and TreasurerChief Financial Officer and Treasurer

Date: May 9, 2023 Date: May 9, 2023

1

he-2023021400003547070000046207falsefalse00003547072023-02-142023-02-140000354707he:HawaiianElectricCompanyInc.Member2023-02-142023-02-14

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: February 14, 2023 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1099 Alakea Street, Suite 2200, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On February 14, 2023, HEI issued a news release, “HEI Reports 2022 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated February 14, 2023, “HEI Reports 2022 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Paul K. Ito/s/ Tayne S. Y. Sekimura Paul K. ItoTayne S. Y. Sekimura Executive Vice President, Senior Vice President, Chief Financial Officer and TreasurerChief Financial Officer and Treasurer

Date: February 14, 2023 Date: February 14, 2023

1

he-2022110700003547070000046207falsefalse00003547072022-11-072022-11-070000354707he:HawaiianElectricCompanyInc.Member2022-11-072022-11-070000354707he:HawaiianElectricCompanyInc.Memberdei:FormerAddressMember2022-11-072022-11-07

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: November 7, 2022 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1099 Alakea Street, Suite 2200, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.) 1001 Bishop Street, Suite 2500, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On November 7, 2022, HEI issued a news release, “HEI Reports Third Quarter 2022 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated November 7, 2022, “HEI Reports Third Quarter 2022 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Paul K. Ito/s/ Tayne S. Y. Sekimura Paul K. ItoTayne S. Y. Sekimura Vice President - Tax, Controller and TreasurerSenior Vice President, and Interim Chief Financial OfficerChief Financial Officer and Treasurer

Date: November 7, 2022 Date: November 7, 2022

1

he-2022080800003547070000046207falsefalse00003547072022-08-082022-08-080000354707he:HawaiianElectricCompanyInc.Member2022-08-082022-08-08

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: August 8, 2022 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1001 Bishop Street, Suite 2500, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On August 8, 2022, HEI issued a news release, “HEI Reports Second Quarter 2022 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated August 8, 2022, “HEI Reports Second Quarter 2022 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Paul K. Ito/s/ Tayne S. Y. Sekimura Paul K. ItoTayne S. Y. Sekimura Vice President - Tax, Controller and TreasurerSenior Vice President, and Interim Chief Financial OfficerChief Financial Officer and Treasurer

Date: August 8, 2022 Date: August 8, 2022

1

he-2022050900003547070000046207falsefalse00003547072022-05-092022-05-090000354707he:HawaiianElectricCompanyInc.Member2022-05-092022-05-09

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: May 9, 2022 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1001 Bishop Street, Suite 2500, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On May 9, 2022, HEI issued a news release, “HEI Reports First Quarter 2022 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated May 9, 2022, “HEI Reports First Quarter 2022 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Gregory C. Hazelton/s/ Tayne S. Y. Sekimura Gregory C. HazeltonTayne S. Y. Sekimura Executive Vice President andSenior Vice President, Chief Financial OfficerChief Financial Officer and Treasurer

Date: May 9, 2022 Date: May 9, 2022

1

he-2022021400003547070000046207falsefalse00003547072022-02-142022-02-140000354707he:HawaiianElectricCompanyInc.Member2022-02-142022-02-14

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: February 14, 2022 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1001 Bishop Street, Suite 2500, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On February 14, 2022, HEI issued a news release, “HEI Reports 2021 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated February 14, 2022, “HEI Reports 2021 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Gregory C. Hazelton/s/ Tayne S. Y. Sekimura Gregory C. HazeltonTayne S. Y. Sekimura Executive Vice President andSenior Vice President, Chief Financial OfficerChief Financial Officer and Treasurer

Date: February 14, 2022 Date: February 14, 2022

1

he-2021110500003547070000046207falsefalse00003547072021-11-052021-11-050000354707he:HawaiianElectricCompanyInc.Member2021-11-052021-11-05

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: November 5, 2021 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1001 Bishop Street, Suite 2500, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On November 5, 2021, HEI issued a news release, “HEI Reports Third Quarter 2021 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated November 5, 2021, “HEI Reports Third Quarter 2021 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Gregory C. Hazelton/s/ Tayne S. Y. Sekimura Gregory C. HazeltonTayne S. Y. Sekimura Executive Vice President andSenior Vice President, Chief Financial OfficerChief Financial Officer and Treasurer

Date: November 5, 2021 Date: November 5, 2021

1

he-2021080900003547070000046207falsefalse00003547072021-08-092021-08-090000354707he:HawaiianElectricCompanyInc.Member2021-08-092021-08-09

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: August 9, 2021 Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1001 Bishop Street, Suite 2500, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act: RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On August 9, 2021, HEI issued a news release, “HEI Reports Second Quarter 2021 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated August 9, 2021, “HEI Reports Second Quarter 2021 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Gregory C. Hazelton/s/ Tayne S. Y. Sekimura Gregory C. HazeltonTayne S. Y. Sekimura Executive Vice President andSenior Vice President and Chief Financial OfficerChief Financial Officer

Date: August 9, 2021 Date: August 9, 2021

1

he-2021050700003547070000046207falsefalse00003547072021-05-072021-05-070000354707he:HawaiianElectricCompanyInc.Member2021-05-072021-05-07

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: May 7, 2021

Exact Name of RegistrantCommissionI.R.S. Employer as Specified in Its CharterFile NumberIdentification No. Hawaiian Electric Industries, Inc.1-850399-0208097 Hawaiian Electric Company, Inc.1-495599-0040500

State of Hawaii (State or other jurisdiction of incorporation) 1001 Bishop Street, Suite 2900, Honolulu, Hawaii  96813 - Hawaiian Electric Industries, Inc. (HEI) 1001 Bishop Street, Suite 2500, Honolulu, Hawaii  96813 - Hawaiian Electric Company, Inc. (Hawaiian Electric) (Address of principal executive offices and zip code) Registrant’s telephone number, including area code:

(808) 543-5662 - HEI

(808) 543-7771 - Hawaiian Electric Not applicable (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to 12(b) of the Act:

RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered Hawaiian Electric Industries, Inc.Common Stock, Without Par ValueHENew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule12b-2 of the Securities Act of 1934 (§240.12b-2 of this chapter). Emerging growth company

Hawaiian Electric Industries, Inc.☐ Hawaiian Electric Company, Inc.☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Hawaiian Electric Industries, Inc. ☐Hawaiian Electric Company, Inc. ☐

Item 2.02 Results of Operations and Financial Condition. On May 7, 2021, HEI issued a news release, “HEI Reports First Quarter 2021 Results.” This news release is furnished as HEI Exhibit 99.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

HEI Exhibit 99 News release, dated May 7, 2021, “HEI Reports First Quarter 2021 Results”

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

The information furnished in connection with Item 2.02 of this current report on Form 8-K including HEI Exhibit 99 shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized. The signature of the undersigned companies shall be deemed to relate only to matters having reference to such companies and any subsidiaries thereof.

HAWAIIAN ELECTRIC INDUSTRIES, INC.HAWAIIAN ELECTRIC COMPANY, INC.

(Registrant)(Registrant) /s/ Gregory C. Hazelton/s/ Tayne S. Y. Sekimura Gregory C. HazeltonTayne S. Y. Sekimura Executive Vice President andSenior Vice President and Chief Financial OfficerChief Financial Officer

Date: May 7, 2021 Date: May 7, 2021

1