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BATTERY STORAGE · ERCOTMillsing BESS
Millsing BESS is a 502 MW battery storage request in interconnection study in the ERCOT interconnection queue, in Grimes County, Texas.
Queue statusIn planning
- PlanningQueued Feb 2024 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Oct 2028 (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
- 27INR0190
- Grid region
- ERCOT (Texas)
- Developer
- Millsing BESS
- Connection point (POI)
- 44645 CNP Singleton 345kV
- Location
- Grimes County, Texas
- Technology
- Battery: 502 MW
- Total requested
- 502 MW
- Study phase
- SS Completed, FIS Completed, No IA
- Queue status
- Active
- Entered queue
- 27 February 2024
- Proposed online date
- October 2028
Location
Marker shows the centre of Grimes County; the queue data does not give exact sites.
Other requests in Grimes County
- Misty Hollow BESSBattery storage · 246 MW · agreement signed
- Grimes County SolarSolar · 211 MW · agreement signed
- Eagle Claw Energy CenterBattery storage · 201 MW · agreement signed
- Blue Jay SolarSolar · 141 MW · agreement signed
- Blue Jay Solar IISolar · 69.0 MW · agreement signed
- Central Power StationGas · 750 MW · in study
- Diamante BESSBattery storage · 514 MW · in study
- BRP Artemis BESSBattery storage · 411 MW · in study
- Smith Lake Solar DCSolar + storage · 402 MW · in study
- Treehouse SolarSolar + storage · 282 MW · in study
- Hill Valley BESSBattery storage · 246 MW · in study
- Treehouse StorageSolar + storage · 209 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