United States › Grid › Interconnection queues › Texas
SOLAR + STORAGE · ERCOTMarshall Spring Storage
Marshall Spring Storage is a 150 MW solar + storage request in interconnection study in the ERCOT interconnection queue, in Gillespie County, Texas.
Queue statusIn planning
- PlanningQueued Feb 2023 (current stage)
- ConsentedDec 2025 (not yet reached)
- Construction (not yet reached)
- OperatingTarget Jul 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
- 25INR0354
- Grid region
- ERCOT (Texas)
- Developer
- Marshall Springs Storage, LLC
- Connection point (POI)
- New POI station between 7132 L_GILLES8_1Y - 7126 L_FERGUS8_1Y 138kV line and 7132 L_GILLES8_1Y - 7128 L_HORSBA8_1Y 138kV line, then loop in both lines into the new POI station.
- Location
- Gillespie County, Texas
- Technology
- Battery: 150 MW · Battery
- Total requested
- 150 MW
- Study phase
- SS Completed, FIS Started, No IA
- Queue status
- Active
- Entered queue
- 20 February 2023
- Agreement signed
- 26 December 2025
- Proposed online date
- July 2026
Location
Marker shows the centre of Gillespie County; the queue data does not give exact sites.
Other requests in Gillespie County
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