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BATTERY STORAGE · ERCOTSerrano Storage
Serrano Storage is a 186 MW battery storage request in interconnection study in the ERCOT interconnection queue, in Maverick County, Texas.
Queue statusIn planning
- PlanningQueued Sep 2023 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Dec 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
- 24INR0617
- Grid region
- ERCOT (Texas)
- Developer
- Maverick ESS, LLC
- Connection point (POI)
- 8267 GANSO Substation 138kV
- Location
- Maverick County, Texas
- Technology
- Battery: 186 MW
- Total requested
- 186 MW
- Study phase
- SS Completed, FIS Started, No IA
- Queue status
- Active
- Entered queue
- 23 September 2023
- Proposed online date
- December 2026
Location
Marker shows the centre of Maverick County; the queue data does not give exact sites.
Other requests in Maverick County
- Sugaree SolarSolar · 251 MW · agreement signed
- Althea StorageBattery storage · 251 MW · agreement signed
- Escondido BESSBattery storage · 10.0 MW · agreement signed
- Senator Aggreko SolarSolar + storage · 251 MW · in study
- Old Victory Energy CenterBattery storage · 203 MW · in study
- De Los SantosBattery storage · 201 MW · in study
- Senator Aggreko StorageSolar + storage · 153 MW · in study
- Fort Duncan BESSOther · 106 MW · suspended
- BRP Pueblo II BESSOther · 10.0 MW · built
- BRP Pueblo I BESSOther · 10.0 MW · built
- Trevino SolarSolar · 216 MW · withdrawn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