Proteus Thornton Ranch Solar SLF
180 MW generation in Ward, TX · In queue since February 2024 · Proposed COD September 2027
180 MW
Capacity
1
Components
Solar
2y 3m
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
3y 7m
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2027-09-30
The Proteus Thornton Ranch Solar SLF project is a proposed 180 MW solar generation facility in Ward County, Texas. The project, developed by Thornton Ranch Solar, LLC, is currently active in the ERCOT interconnection queue as entry ERCOT-25INR0606, with a queue entry date of February 26, 2024. The proposed commercial operation date is September 30, 2027, and the project's interconnection agreement status is currently in the Facility Study phase.
The proposed project consists of 180 MW of solar photovoltaic generation. The point of interconnection is the 37990 TNSTAGHORN1 138kV substation. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Ward
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Thornton Ranch Solar, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
37990 TNSTAGHORN1 138kV
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- LOW
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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