Misty Hollow BESS (ERCOT-26INR0324) — Project Summary

Queue ID
ERCOT-26INR0324
Capacity
245.8 MW
Technology
Battery
Status
active
Location
Grimes, TX
Region
ERCOT
Developer
Clear Fork BESS, LLC
IA Status
IA Executed

Misty Hollow BESS

ERCOT-26INR0324BetaActiveBatteryERCOTLBNL + Live

245.8 MW storage in Grimes, TX · In queue since December 2023 · Proposed COD July 2028

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

245.8 MW

Capacity

1

Components

Battery

2y 7m

In Queue

IA Executed

IA Phase

Signed Dec 2025

Interconnection

Queue → IA

2 years

IA → COD

2y 7m

Total Duration

2 years

Construction75%
Queue EntryDec 20, 2023

Interconnection request submitted to ISO/RTO

Interconnection Study

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

Typical: 18–30 months (fastest major ISO)

Interconnection AgreementDec 4, 2025

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2028-07-15

Cross-source intelligence
Beta
Medium confidence·3 sources·as of 2026-06-01
Expected COD
2028-07-15
From queue filing
Developer
Clear Fork BESS, LLC
From queue filing
Status
IA Executed
IA Executed — interconnection agreement signed December 2025, project active in queue with 2028 target
Financing
Unannounced
Key milestones
IA executedDec 4, 2025

Interconnection agreement executed with CenterPoint Energy Houston Electric

source
COD targetJul 14, 2028Most recent

Proposed completion date revised from November 2026 to July 2028

source
About

The Misty Hollow BESS project is a proposed 245.8 MW battery storage project located in Grimes County, Texas. Developed by Clear Fork BESS, LLC, the project entered the ERCOT interconnection queue as entry ERCOT-26INR0324 on December 20, 2023. The current interconnection status is Facility Study, and the proposed commercial operation date is July 15, 2028.

The project consists entirely of battery storage, with a total capacity of 245.8 MW. The point of interconnection is the 345 kV Singleton substation (#44645). The project is currently listed as active within the ERCOT queue.

Generated from interconnection queue and public data sources

Development Risk

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.

Available on the InfraSure platform

See the full development-risk decomposition for this project.

P(COD by stated date)
Financing close probability
EPC + tax-equity counterparty
Project Details

State

TX

County

Grimes

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Clear Fork BESS, LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

345 kV Singleton (#44645)

Data Source

LBNL + Live

Risk Analytics

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.

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 — 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.

Available on the InfraSure platform

See the full forecast + scenario decomposition for this project.

10-year P50 forecast
First-year output estimate
Weather + policy scenarios
Financial Forecast

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.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

10-year revenue projection
First-year DSCR
Financing close risk
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.

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