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BATTERY STORAGE · ERCOTPrairie Horizon Energy Storage 4
Prairie Horizon Energy Storage 4 is a 102 MW battery storage request in interconnection study in the ERCOT interconnection queue, in Robertson County, Texas.
Queue statusIn planning
- PlanningQueued Feb 2025 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Dec 2027 (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
- 27INR0429
- Grid region
- ERCOT (Texas)
- Developer
- Tempus Power management LLC
- Connection point (POI)
- Tap 345kV 39950 TNP ONE PLANT - 3400 TWIN OAK Ckt 2
- Location
- Robertson County, Texas
- Technology
- Battery: 102 MW
- Total requested
- 102 MW
- Study phase
- SS Completed, FIS Started, No IA
- Queue status
- Active
- Entered queue
- 3 February 2025
- Proposed online date
- December 2027
Location
Marker shows the centre of Robertson County; the queue data does not give exact sites.
Other requests in Robertson County
- Big Rooter East SolarSolar + storage · 555 MW · agreement signed
- Big Rooter West SolarSolar + storage · 403 MW · agreement signed
- Barton Branch IABattery storage · 204 MW · agreement signed
- Tidwell Prairie II BattBattery storage · 204 MW · agreement signed
- Big Rooter East StorageSolar + storage · 201 MW · agreement signed
- Camp Creek Solar SLFSolar + storage · 110 MW · agreement signed
- BRP Mekong BESSBattery storage · 410 MW · in study
- Buffalo Prairie StorageSolar + storage · 308 MW · in study
- Buffalo Meadow SolarSolar + storage · 251 MW · in study
- Bee Branch IABattery storage · 203 MW · in study
- Big Rooter West StorageSolar + storage · 201 MW · in study
- Pioneer Path Energy Storage 1Battery storage · 102 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