Darkwood Solar (ERCOT-27INR0049) — Project Summary

Queue ID
ERCOT-27INR0049
Capacity
150.76 MW
Technology
Solar+Battery
Status
active
Location
Comanche, TX
Region
ERCOT
Developer
Mustang Creek Solar, LLC
IA Status
Facility Study

Darkwood Solar

ERCOT-27INR0049BetaActiveSolarBatteryERCOTLBNL + Live

150.76 MW hybrid in Comanche, TX · In queue since June 2023 · Proposed COD September 2027

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

150.76 MW

Capacity

1

Components

Solar

3y 1m

In Queue

Facility Study

IA Phase

COD target: 2027

Interconnection

Total Duration

4y 3m

Facilities Study50%
Queue EntryJun 28, 2023

Interconnection request submitted to ISO/RTO

Interconnection StudyCurrent

ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.

Typical: 18–30 months (fastest major ISO)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2027-09-20

Cross-source intelligence
Beta
High confidence·5 sources·as of 2026-06-01
Expected COD
Sep 2027
From queue filing
Developer
Core Solar (TotalEnergies)
Filed as Mustang Creek Solar, LLC
Status
Active
Active — Facility Study stage, regulatory filings with ONCOR and PUC ongoing through November 2025
Financing
Unannounced
Key milestones
IA executedNov 2025

ONCOR interconnection filings for Darkwood Solar & Darkwood BESS with Texas PUC

source
COD targetSep 2027Most recent

Expected online September 2027 per multiple tracking sources

source
About

The Darkwood Solar project is a proposed 150.76 MW solar generation facility in Comanche County, Texas. Developed by Mustang Creek Solar, LLC, the project consists of 150.76 MW of solar photovoltaic generation. It is listed in the ERCOT interconnection queue as entry ERCOT-27INR0049, with a queue entry date of June 28, 2023, and a proposed commercial operation date of September 20, 2027. The project's interconnection status is currently in the Facility Study phase.

The proposed project is linked to the existing Darkwood Solar operating plant (EIA ID 68478). Recent news coverage has discussed the development.

Generated from interconnection queue and public data sources

Development Risk

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.

Available on the InfraSure platform

See the full development-risk decomposition for this project.

P(COD by stated date)
Withdrawal probability vs cohort
IA cluster risk
Project Details

State

TX

County

Comanche

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Mustang Creek Solar, LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

Tap 345KV 1900 Comanche Peak to 1440 Comanche SS

Data Source

LBNL + Live

Risk Analytics

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.

Available on the InfraSure platform

See the full risk decomposition + scenarios for this project.

Climate hazards (8+)
Generation variability (P10/P50/P90)
Offtake + transmission counterparty
Generation Forecast

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.

Available on the InfraSure platform

See the full forecast + scenario decomposition for this project.

P50 conditioned on COD
Capacity factor vs cohort
Weather + policy scenarios
Financial Forecast

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.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

Revenue conditioned on COD
Financing close risk
Cohort DSCR comparison
Market Context
Approximate
ISO / RTO
ERCOT
Trading Hub
HB_NORTH
Hub Confidence
MEDIUM
POI Substation
Proctor Substation

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.

No insights available for this project.

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InfraSure platform

Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.