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BATTERY STORAGE · ERCOTSierra Diablo Energy Storage
Sierra Diablo Energy Storage is a 204 MW battery storage request in interconnection study in the ERCOT interconnection queue, in Van Zandt County, Texas.
Queue statusIn planning
- PlanningQueued Aug 2022 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Apr 2026 (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
- 24INR0417
- Grid region
- ERCOT (Texas)
- Developer
- SIERRA DIABLO ENERGY STORAGE LLC
- Connection point (POI)
- Tap 138kv 1698 Sulphur Springs Switch – 3174 Canton Switch
- Location
- Van Zandt County, Texas
- Technology
- Battery: 204 MW
- Total requested
- 204 MW
- Study phase
- SS Completed, FIS Started, No IA
- Queue status
- Active
- Entered queue
- 5 August 2022
- Proposed online date
- April 2026
Location
Marker shows the centre of Van Zandt County; the queue data does not give exact sites.
Other requests in Van Zandt County
- Zorro BESSBattery storage · 154 MW · agreement signed
- Whiskey BESSBattery storage · 154 MW · agreement signed
- Caney Creek SolarSolar · 121 MW · agreement signed
- Amador StorageBattery storage · 102 MW · agreement signed
- Wood Fern WindOnshore wind · 197 MW · in study
- Goldfinch SolarSolar + storage · 151 MW · in study
- Benitoite StorageBattery storage · 126 MW · in study
- Edgewood BESS 2Battery storage · 102 MW · in study
- Edgewood BESS 1Battery storage · 102 MW · in study
- Goldfinch StorageSolar + storage · 100 MW · in study
- Kellam SolarSolar · 59.8 MW · built
- Giralda SolarSolar · 137 MW · withdrawn
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