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BATTERY STORAGE · ERCOTGuinness BESS
Guinness BESS is a 101 MW battery storage request in interconnection study in the ERCOT interconnection queue, in Williamson County, Texas.
Queue statusIn planning
- PlanningQueued Jul 2022 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Apr 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
- 24INR0352
- Grid region
- ERCOT (Texas)
- Developer
- Momentum Energy Storage Partners,LLC
- Connection point (POI)
- Tap 138kV 7520 BERTRA - 7522 ANDICE
- Location
- Williamson County, Texas
- Technology
- Battery: 101 MW
- Total requested
- 101 MW
- Study phase
- SS Completed, FIS Started, No IA
- Queue status
- Active
- Entered queue
- 25 July 2022
- Proposed online date
- April 2027
Location
Marker shows the centre of Williamson County; the queue data does not give exact sites.
Other requests in Williamson County
- Cornwall SolarSolar · 205 MW · suspended
- Cornwall BESSBattery storage · 204 MW · suspended
- North Fork Energy StorageOther · 101 MW · built
- River Valley Storage 2Other · 51.5 MW · built
- River Valley Storage 1Other · 51.5 MW · built
- Grace Bear SolarSolar · 101 MW · withdrawn
- Kirkwall SolarSolar · 73.1 MW · withdrawn
- Garnet SolarSolar · 20.0 MW · withdrawn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