GRIMES SOLAR (ERCOT-26INR0004) — Project Summary

Queue ID
ERCOT-26INR0004
Capacity
153.45 MW
Technology
Solar
Status
active
Location
Grimes, TX
Region
ERCOT
Developer
CG Grimes County LLC
IA Status
Facility Study

GRIMES SOLAR

ERCOT-26INR0004BetaActiveSolarERCOTLBNL + Live

153.45 MW generation in Grimes, TX · In queue since March 2022 · Proposed COD February 2026

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

153.45 MW

Capacity

1

Components

Solar

4y 4m

In Queue

Facility Study

IA Phase

COD target: 2026

Interconnection

Total Duration

3y 11m

Schedule

5 months past proposed COD

Facilities Study50%
Queue EntryMar 14, 2022

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: 2026-02-15

Cross-source intelligence
Beta
High confidence·4 sources·as of 2026-06-01
Expected COD
2026-02-15
From queue filing
Developer
Enel North America
Filed as CG Grimes County LLC
Status
Active
Active — Facility Study stage, substation construction underway per ASB Energy, sheep grazing operations confirm Enel operational presence in Grimes County
Financing
In progress
Virtual PPA signed with McDonald's USA and North American Logistics Council (announced Dec 2022), but full project financing close not publicly confirmed
Key milestones
IA executedDec 2022Most recent

Virtual PPA signed with McDonald's USA and North American Logistics Council for renewable energy offtake

source
About

The GRIMES SOLAR project is a proposed 153.45 MW solar generation facility in Grimes County, Texas. The project, developed by CG Grimes County LLC, is interconnected within the ERCOT region under queue ID ERCOT-26INR0004. It entered the interconnection queue on March 14, 2022, with a proposed commercial operation date of February 15, 2026. The project's interconnection status is currently in the Facility Study phase.

Recent news coverage has highlighted the development, with articles categorized under hazards and deals.

Generated from interconnection queue and public data sources

ERCOT Queue
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

Grimes

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

CG Grimes County LLC

Utility

—

Entity

ERCOT

Service Type

—

Point of Interconnection

40600 Roans Prairie 345kV

Data Source

LBNL + Live

DeveloperEnel North Americapv magazine USA · 2022-12-15
TransactionPPApv magazine USA · 2022-12-15
OfftakerMcDonald's USA and North American Logistics Councilpv magazine USA · 2022-12-15
PPA structureVirtualpv magazine USA · 2022-12-15
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
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.

Insights & Articles (1)Beta

Last updated 2026-03-26

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InfraSure platform

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