11:56 AM EDT, 05/21/2026 (MT Newswires) -- Bimergen Energy ( BESS/WS ) signed a deal to sell a 480 MWh portfolio of battery energy storage system development projects to Frontier Power USA.

The portfolio comprises three ERCOT-based projects, including two "Texas 10" projects and a 100 MW/400 MWh project with notices-to-proceed expected to begin in the middle of 2026, according to a statement Thursday.

Under the agreement, an affiliate of Frontier Power USA will fund 100% of the equity required for construction, pay Bimergen a development fee, and fund transaction expenses following the closing.

Frontier Power USA said it will hold a 92.5% ownership interest in the project companies, while Bimergen will retain a 7.5% economic interest. The parties will collaborate to bring the projects to commercial operations.

Financial terms of the transaction were not disclosed.

Shares of Bimergen Energy ( BESS/WS ) rose more than 12% in Thursday trading.

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