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SOLAR + STORAGE · ERCOTSisters Storage
Sisters Storage is a 209 MW solar + storage request in interconnection study in the ERCOT interconnection queue, in Ector County, Texas.
Queue statusIn planning
- PlanningQueued Dec 2019 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget May 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
- 21INR0482
- Grid region
- ERCOT (Texas)
- Developer
- 174 Power Global Properties
- Connection point (POI)
- tapping the 345 kV line connecting Moss Switch (Bus# 1018) to Wolf Switching Station (Bus# 11010)
- Location
- Ector County, Texas
- Technology
- Battery: 209 MW · Battery
- Total requested
- 209 MW
- Study phase
- SS Completed, FIS Completed, No IA
- Queue status
- Active
- Entered queue
- 18 December 2019
- Proposed online date
- May 2027
Location
Marker shows the centre of Ector County; the queue data does not give exact sites.
Other requests in Ector County
- Greyhound SolarSolar · 336 MW · agreement signed
- Sisters SolarSolar + storage · 302 MW · agreement signed
- Greyhound Solar - Phase ESolar · 151 MW · agreement signed
- Greyhound Solar - Phase FSolar · 102 MW · agreement signed
- Apple BESSBattery storage · 9.9 MW · agreement signed
- Gypsum Plains SolarSolar + storage · 503 MW · in study
- Velociraptor BESS IISolar + storage · 261 MW · in study
- Velociraptor BESS ISolar + storage · 261 MW · in study
- Van Zandt Energy StorageBattery storage · 257 MW · in study
- Velociraptor Solar IISolar + storage · 252 MW · in study
- Velociraptor Solar ISolar + storage · 252 MW · in study
- Gypsum Plains StorageSolar + storage · 211 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