Advanced Power Announces Close of Sale of 200 MW BESS Project in Texas
Advanced Power has sold its 200 MW/400 MWh Rock Rose Energy Storage project in Texas, which is set to begin operations in 2027 and strengthen grid reliability in the ERCOT region.
October 14, 2025. By Mrinmoy Dey
The fully developed project, which is expected to begin operations in 2027, continues Advanced Power's track record of success in the Electric Reliability Council of Texas (ERCOT) power region, the company said in a statement further adding that upon completion, Rock Rose will support grid reliability in the rapidly growing Houston and Freeport areas.
BESS facilities, such as Rock Rose, enhance grid reliability by storing surplus energy from the electric system. Grid operators can strategically dispatch power from BESS during periods of peak demand to support grid stability. BESS also accelerates the transition to cleaner, more resilient power infrastructure, it said.
Tom Spang, CEO, Advanced Power said, “The completed development and sale of Rock Rose Energy demonstrates the depth of Advanced Power's capabilities. ERCOT, like other major power markets in the US, has an urgent need for projects that enhance grid reliability. As a premier developer of thermal, renewable, and now, BESS technology, Advanced Power is committed to bringing these contemporary power solutions to regions with urgent and growing energy and capacity needs.”
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