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BATTERY STORAGE · ERCOTPianissimo BESS II
Pianissimo BESS II is a 202 MW battery storage request in interconnection study in the ERCOT interconnection queue, in Wise County, Texas.
Queue statusIn planning
- PlanningQueued Nov 2024 (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
- 26INR0329
- Grid region
- ERCOT (Texas)
- Developer
- Pianissimo Storage, LLC
- Connection point (POI)
- Tap 138kV 685 LEO - 587 GREENWOOD
- Location
- Wise County, Texas
- Technology
- Battery: 202 MW
- Total requested
- 202 MW
- Study phase
- SS Completed, FIS Started, No IA
- Queue status
- Active
- Entered queue
- 19 November 2024
- Proposed online date
- December 2027
Location
Marker shows the centre of Wise County; the queue data does not give exact sites.
Other requests in Wise County
- Wise County Power Repower (CT1, CT2)Gas · 21.0 MW · agreement signed
- Gilleys Energy StorageBattery storage · 306 MW · in study
- Spur Energy StorageBattery storage · 306 MW · in study
- Solar Star Rhome StorageBattery storage · 221 MW · in study
- Legato BESSBattery storage · 203 MW · in study
- Yooperlite StorageBattery storage · 176 MW · in study
- Sandford SolarSolar + storage · 126 MW · in study
- Sandford StorageSolar + storage · 101 MW · in study
- Connolly StorageOther · 125 MW · built
- Pruett SolarSolar · 151 MW · withdrawn
- Pruett StorageBattery storage · 50.5 MW · withdrawn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