Frontier Power USA selects four battery storage projects totaling 920 MWh

Frontier Power USA (FPUSA) has exercised its exclusive selection right on four battery energy storage projects developed by Stella Energy Solutions, according to a press release. The four projects — Blanquilla BESS, Aransas Pass, Nash, and Wallis — collectively represent approximately 230 MW / 920 MWh of battery energy storage capacity.

The projects are expected to use Eos Energy Enterprises (NASDAQ: EOSE) Z3 long-duration batteries, though closing remains contingent on the successful completion of Eos's recently announced rights offering.

The selected projects are the first to advance under a previously announced strategic framework between FPUSA and Stella, which established a path to convert Stella's late-stage development pipeline of more than 2 GWh of battery energy storage projects onto the FPUSA platform. Stella will serve as FPUSA's designated execution partner through to commercial operation.

FPUSA will fund 100% of construction equity for the projects. The portfolio is expected to draw on FPUSA's previously announced 2 GWh capacity reservation agreement with Eos, with a focus on deploying storage infrastructure across the ERCOT market in Texas.

FPUSA's equity capital base includes a commitment from funds managed by Cerberus Capital Management, along with a previously announced investment from Hudson Bay Capital and expected proceeds from the Eos rights offering. KKR Capital Markets has been engaged to support long-term project financing across the platform.

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