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BATTERY STORAGE · ERCOTSunflower Valley Storage
Sunflower Valley Storage is a 206 MW battery storage request in interconnection study in the ERCOT interconnection queue, in Mitchell County, Texas.
Queue statusIn planning
- PlanningQueued Apr 2025 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Apr 2029 (not yet reached)
- Closed (not yet reached)
Studies assess what grid upgrades the project would need and who pays for them. A signed interconnection agreement is the main step before construction.
Request details
- Queue ID
- 27INR0327
- Grid region
- ERCOT (Texas)
- Developer
- Sunflower Valley Storage, LLC
- Connection point (POI)
- 1414 Champion Creek Substation 345 kV
- Location
- Mitchell County, Texas
- Technology
- Battery: 206 MW
- Total requested
- 206 MW
- Study phase
- SS Completed, FIS Started, No IA
- Queue status
- Active
- Entered queue
- 25 April 2025
- Proposed online date
- April 2029
Location
Marker shows the centre of Mitchell County; the queue data does not give exact sites.
Other requests in Mitchell County
- Hackberry Creek SolarSolar · 176 MW · agreement signed
- Zeus Mitchell BESS IISolar + storage · 1,043 MW · in study
- Zeus Mitchell BESSSolar + storage · 1,043 MW · in study
- Zeus Spade WindWind + storage · 987 MW · in study
- Zeus Mitchell SolarSolar + storage · 805 MW · in study
- River Boat SolarSolar + storage · 502 MW · in study
- Zeus Spade BESSWind + storage · 446 MW · in study
- Rabbit Hollow Energy StorageBattery storage · 342 MW · in study
- River Boat Power Gas PlantGas · 334 MW · in study
- Prairie Power WindOnshore wind · 303 MW · in study
- River Boat StorageSolar + storage · 207 MW · in study
- Sepik BESSBattery storage · 205 MW · in study
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