Whiskey BESS (ERCOT-25INR0253) — Project Summary

Queue ID
ERCOT-25INR0253
Capacity
153.72 MW
Technology
Battery
Status
active
Location
Van Zandt, TX
Region
ERCOT
Developer
Whiskey BESS LLC
IA Status
IA Executed

Whiskey BESS

ERCOT-25INR0253BetaActiveBatteryERCOTLBNL + Live

153.72 MW storage in Van Zandt, TX · In queue since December 2022 · Proposed COD July 2027

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

153.72 MW

Capacity

1

Components

Battery

3y 7m

In Queue

IA Executed

IA Phase

Signed Mar 2025

Interconnection

Queue → IA

2y 3m

IA → COD

2y 4m

Total Duration

2y 3m

Construction75%
Queue EntryDec 7, 2022

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 AgreementMar 28, 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: 2027-07-31

Cross-source intelligence
Beta
Medium confidence·6 sources·as of 2026-06-01
Expected COD
Jul 2027
From queue filing
Developer
From queue filing
Status
IA Executed
IA Executed — IA signed 2025-03-28 per LBNL, construction estimated to start Jan 2026 per local opposition group
Financing
Unannounced
Key milestones
IA executedMar 28, 2025

Interconnection Agreement executed between Rayburn and Whiskey BESS LLC, filed at Texas PUC

source
COD targetJul 2027Most recent

Texas PUC gentable lists Whiskey BESS 154 MW with Jan-27 expected online date

source
About

The Whiskey BESS project is a proposed 153.72 MW battery storage project located in Van Zandt County, Texas. Developed by UR-Silo DevCo LLC, the project consists entirely of battery storage. It is currently active in the ERCOT interconnection queue as entry ERCOT-25INR0253, with a queue entry date of December 7, 2022.

The proposed commercial operation date for Whiskey BESS is July 31, 2027. The project's interconnection status is currently in the Facility Study phase. The point of interconnection is the 6828 Canton Tap 138 kV. The project has appeared in recent news coverage.

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

Van Zandt

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Whiskey BESS LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

6828 Canton Tap 138 kV

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.