ES vs STE Comparison

Eversource Energy is a diversified holding company with subsidiaries that provide rate-regulated electric and gas distribution service to more than 4 million customers in the Northeast US. Eversource expanded its service territories with acquisitions of NStar (2012), Aquarion (2017), and Columbia Gas (2020). In 2024 Eversource exited its 50% partnership with European utility Orsted to develop 2 gigawatts of offshore wind projects in the Northeast US. The company exited most of its unregulated businesses in 2006.

Steris is an Ireland-domiciled medical technology company focused on sterilization services and infection prevention. The company is the global leader in contract sterilization services, ensuring the safe delivery of single-use and implantable medical equipment to hospitals around the world. Steris also sells sterilizers, washer-disinfectors, and other decontamination equipment and supplies for use by care provider facilities and in biopharma manufacturing sites. Domiciled in the United States before its inversion to Ireland, the firm derives approximately 70% of its revenue from Healthcare Services, 19% from Applied Sterilization Technologies, or AST, and 11% from life sciences services after the divestment of its dental products business.