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SOLAR + STORAGE · ERCOTMandolin Solar SLF
Mandolin Solar SLF is a 300 MW solar + storage request in interconnection study in the ERCOT interconnection queue, in Starr County, Texas.
Queue statusIn planning
- PlanningQueued Jul 2024 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Jun 2029 (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
- 26INR0527
- Grid region
- ERCOT (Texas)
- Developer
- Mandolin Solar Project, LLC
- Connection point (POI)
- Tap 345kV 80355 Del Sol - 80227 Rapido
- Location
- Starr County, Texas
- Technology
- Solar: 300 MW · Battery
- Total requested
- 300 MW
- Study phase
- SS Completed, FIS Started, No IA
- Queue status
- Active
- Entered queue
- 22 July 2024
- Proposed online date
- June 2029
Location
Marker shows the centre of Starr County; the queue data does not give exact sites.
Other requests in Starr County
- Half Moon SolarSolar · 513 MW · agreement signed
- Bullring Wind 2Onshore wind · 304 MW · agreement signed
- Bullring Wind 1Onshore wind · 304 MW · agreement signed
- Diamondback solarSolar · 204 MW · agreement signed
- Mesteno WindOnshore wind · 202 MW · agreement signed
- Bullring Wind 3Onshore wind · 190 MW · agreement signed
- Starr Solar RanchSolar + storage · 137 MW · agreement signed
- Fierce River SolarSolar + storage · 896 MW · in study
- Muy Grande SolarSolar · 503 MW · in study
- Fierce River BESSSolar + storage · 285 MW · in study
- Bessie StorageBattery storage · 211 MW · in study
- PSE Gongora Hill TX StorageBattery storage · 200 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