Texas 400 MW Project Soho battery for AI GPU power spikes goes online

Greenflash Infrastructure's Project Soho, a 400 MW / 800 MWh battery storage system in Brazoria County, Texas, has reached commercial operation as the first utility-scale BESS built around the erratic power draw of GPU clusters. Research and Markets projects the data center battery market will reach $21 billion by 2036, about five times its current size.

• Project Soho: 400 MW / 800 MWh, commercial operation since July 2026
• Battery responds in about 10 ms to smooth GPU cluster load spikes
• Market forecast: $21 billion by 2036, roughly 5x current size
• Financing closed October 2025: Deutsche Bank debt, Wafra and Acadia equity, tax credit sale