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已编辑由 @ThePinGang
OCI Energy is constructing the 240M USD, EIA plant 68349 lists Avant Prairie ESS LLC’s Freestone County battery at 200 MW / 800 MWh four-hour utility-scale battery energy storage system in Freestone County, Texas, delivering critical reliabilitywith July 2029 target and approvals not initiated. Later ERCOT request 27INR0316 reports 201.72 MW and frequency regulation to the ERCOT grid.April 16, 2029 projected COD; OCI lists Avant Prairie in its development portfolio.
OCI Energy secured ERCOT interconnection placement 24INR0432 for the Avant Prairie ESS facility. Features 200 MW / 800 MWh of lithium iron phosphate battery storage capacity engineered for 4-hour continuous discharge. Represents an estimated 240 million USD private clean energy capital commitment in east-central Texas. Connects directly to the Oncor 345 kV high-voltage transmission backbone near the Big Brown substation corridor. Mitigates bulk transmission congestion and provides dynamic voltage support during peak power demand conditions.shows completed screening/full study but no IA, at a Big Brown–Jewett 345 kV tap. It is not a construction finding. The old $240M, 800 MWh, four-hour and September 2028 COD lack opened support. Native capacity cites EIA 200 MW separately from queue 201.72 MW. Timeline: planned project targeting commercial operation in September 2028 (estimated) under ERCOT interconnection queue and state regulatory schedules.April 16, 2029 is later ERCOT projected COD, versus EIA July 2029. It is not confirmed operation.
已编辑由 @ThePinGang
… dynamic voltage support during peak power demand conditions. Timeline: planned project targeting commercial operation in September 2028 (estimated) under ERCOT interconnection queue and state regulatory schedules.
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原标题: Avant Prairie ESS: 200 MW EIA Plan, 2029 Queue Target
Power storage200 MW · EIA plant 68349 battery nameplate 200 MW; ERCOT later queue reports 201.72 MW, unresolved basis. · source