Pinnington Solar
653.7 MW hybrid in Jack, TX · In queue since December 2020 · Proposed COD April 2026
653.7 MW
Capacity
1
Components
Solar
5y 7m
In Queue
IA Executed
IA Phase
Signed Nov 2023
Queue → IA
2y 11m
IA → COD
2y 5m
Total Duration
2y 11m
Schedule
2 months past proposed COD
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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 18–30 months
Proposed COD: 2026-04-30
- —·Hecate Energy Longhorn Solar LLC→Repsolsource
The Pinnington Solar project is a proposed 653.7 MW solar generation facility located in Jack County, Texas. The project, developed by Hecate Energy Longhorn Solar LLC, is currently active in the ERCOT interconnection queue as entry ERCOT-24INR0010, with a queue entry date of December 3, 2020. The project's proposed commercial operation date is April 30, 2026.
The Pinnington Solar project has an Interconnection Agreement (IA) executed on November 2, 2023. The point of interconnection (POI) is the 1506 Long Hollow Switch 345kV. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
Realization risk from now to commercial operation — financing close, EPC and tax-equity counterparty mix, and COD probability vs the proposed date. The diligence view that determines whether the deal actually closes. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
TX
County
Jack
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Hecate Energy Longhorn Solar LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
1506 Long Hollow Switch 345kV
Data Source
LBNL
Composite operating-phase risk view — what this asset's risk profile will look like once it commissions. 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 — first-year production estimate and 10-year P50 trajectory, with probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios. 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. First-year DSCR, 10-year cashflow, and counterparty exposure across price and policy scenarios. 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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Summary analysis with parallel narrative sections and visualizations.
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Data tables and metrics from the InfraSure database.
Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
