GWH vs SDST Comparison

ESS Tech Inc is a long-duration energy storage company specializing in iron flow battery technology. It develops and manufactures long-duration energy storage systems based on iron flow battery technology. The company's batteries use earth-abundant materials, including iron, salt, and water, and are designed for high cycle life and recyclability. It operates as a single business operating segment, which includes all activities related to the design, engineering, and manufacturing of the company's long duration energy storage products. The company's revenue is derived from the sale of its energy storage products and from service contracts.

Stardust Power Inc is developing a lithium refinery at its Facility in Muskogee, Oklahoma, with planned capacity of producing up to 50,000 metric tons per annum of BGLC once fully operational. The company will source lithium brine feedstock from various suppliers and may make investments upstream to secure additional feedstock. The Company seeks to sell its products to electric vehicle (EV) manufacturers as the primary market, with potential applications in other areas such as battery manufacturers, the U.S. military, and original equipment manufacturers (OEMs).