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BATTERY STORAGE · ERCOTFirst Capitol BESS
First Capitol BESS is a 258 MW battery storage request with a signed interconnection agreement in the ERCOT interconnection queue, in Brazoria County, Texas.
Queue statusConsented
- PlanningQueued Oct 2023 (completed)
- ConsentedMay 2025 (current stage)
- Construction (not yet reached)
- OperatingTarget May 2027 (not yet reached)
- Closed (not yet reached)
Request details
- Queue ID
- 26INR0226
- Grid region
- ERCOT (Texas)
- Developer
- First Capitol BESS, LLC
- Connection point (POI)
- Tap 138kV West Columbia Main (39500) - Sweeny Cogen (110505)
- Location
- Brazoria County, Texas
- Technology
- Battery: 258 MW
- Total requested
- 258 MW
- Study phase
- SS Completed, FIS Started, IA
- Queue status
- Active
- Entered queue
- 4 October 2023
- Agreement signed
- 15 May 2025
- Proposed online date
- May 2027
Location
Marker shows the centre of Brazoria County; the queue data does not give exact sites.
Other requests in Brazoria County
- Austin Bayou SolarSolar + storage · 503 MW · agreement signed
- Gamay Energy StorageBattery storage · 419 MW · agreement signed
- Aldrin 345 BESSBattery storage · 362 MW · agreement signed
- Cottonwood Bayou SolarSolar · 351 MW · agreement signed
- Myrtle SolarSolar · 321 MW · agreement signed
- Elio BESSBattery storage · 317 MW · agreement signed
- Hastings Park BESSBattery storage · 256 MW · agreement signed
- Clutch City Solar Phase IISolar · 251 MW · agreement signed
- Tanglewood SolarSolar · 251 MW · agreement signed
- Aldrin 138 BESSBattery storage · 207 MW · agreement signed
- Desna BESSBattery storage · 206 MW · agreement signed
- Castor BESSBattery storage · 205 MW · agreement signed
Source: Lawrence Berkeley National Laboratory, Queued Up, data through end of 2025, compiled from ISO/RTO and utility queues. Check the grid operator's own queue for the latest status. Report a problem