Borden County BESS
Borden County BESS is a battery energy storage facility with 150 MW of EIA-reported operating capacity and 300 MWh of reported energy capacity in Borden County, Texas, registered as EIA Plant ID 66804. Borden County Battery Energy Storage System LLC is the registered plant entity or operator. Its grid role is energy storage resource (merchant battery) — participates in ERCOT day‑ahead and ancillary services markets for energy arbitrage and ancillary services.