State Highway 71 & County Road 102, Columbus, Colorado County, TX 78934Clean Energy Developers / CenterPoint Energy
ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins73% CONFIDENCEOverall confidence: 73%How well the pin's source and references back up its dates.Weighted average of how firmly 4 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidence
Electric Reliability Council of Texas[4] (ERCOT) generator interconnection status reports and CenterPoint Energy distribution studies project commercial operation in November 2026.The Columbus Energy Storage Project is a 10 MW / 40 MWh 4-hour utility-scale battery energy storage system located near State Highway 71 in Columbus, Colorado County, Texas. Occupying approximately 4 acres of light industrial land, the system connects into CenterPoint Energy's 69 kV regional transmission network in the ERCOT South Zone, providing essential fast-frequency regulation, capacity reserves, and grid stability during high-demand summer heatwaves.
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