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SOLAR + STORAGE · ERCOTSenator Aggreko Storage
Senator Aggreko Storage is a 153 MW solar + storage request in interconnection study in the ERCOT interconnection queue, in Maverick County, Texas.
Queue statusIn planning
- PlanningQueued Nov 2023 (current stage)
- ConsentedDec 2025 (not yet reached)
- Construction (not yet reached)
- OperatingTarget Oct 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
- 26INR0312
- Grid region
- ERCOT (Texas)
- Developer
- Senator Aggreko Storage LLC
- Connection point (POI)
- 138 kV Sunglow Substation (#78016)
- Location
- Maverick County, Texas
- Technology
- Battery: 153 MW · Battery
- Total requested
- 153 MW
- Study phase
- SS Completed, FIS Started, No IA
- Queue status
- Active
- Entered queue
- 14 November 2023
- Agreement signed
- 31 December 2025
- Proposed online date
- October 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
- Serrano StorageBattery storage · 186 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- Trevino SolarSolar · 216 MW · withdrawn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