Proteus Thornton Ranch Solar SLF
180 MW hybrid in Ward, TX · In queue since February 2024 · Proposed COD May 2028
180 MW
Capacity
1
Components
Solar
2y 5m
In Queue
Facility Study
IA Phase
COD target: 2028
Total Duration
4y 3m
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: 2028-05-20
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
Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
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
Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- 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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Ask about Proteus Thornton Ranch Solar SLFForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
