Tex-Bar ESS (ERCOT-26INR0411) — Project Summary

Queue ID
ERCOT-26INR0411
Capacity
201.5 MW
Technology
Battery
Status
active
Location
Madison, TX
Region
ERCOT
Developer
Tex-Bar ESS LLC
IA Status
Facility Study

Tex-Bar ESS

ERCOT-26INR0411BetaActiveBatteryERCOTLBNL + Live

201.5 MW storage in Madison, TX · In queue since March 2024 · Proposed COD July 2027

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

201.5 MW

Capacity

1

Components

Battery

2y 4m

In Queue

Facility Study

IA Phase

Signed Dec 2025

Interconnection

Queue → IA

1y 9m

IA → COD

1y 7m

Total Duration

1y 9m

Construction50%
Queue EntryMar 22, 2024

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 26, 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: 2027-07-01

Cross-source intelligence
Beta
Medium confidence·5 sources·as of 2026-06-01
Expected COD
Jul 2027
From queue filing
Developer
OCI Energy
Filed as Tex-Bar ESS LLC
Status
Active
Active — construction reportedly started May 2026 per OCI Holdings announcement
Financing
Secured
Construction commenced May 2026, implying financing closed; no specific amount or lead disclosed in public sources
Key milestones
IA executedDec 26, 2025

Facility Study phase with IA date December 26, 2025 per LBNL queue

source
GroundbreakingMay 2026

OCI Energy began construction on large-scale ESS project in Texas

source
COD targetJul 2027Most recent

Expected commercial operation July 2027

source
About

The Tex-Bar ESS project is a proposed 201.5 MW battery storage project located in Madison County, Texas. Developed by Tex-Bar ESS LLC, the project consists entirely of battery storage. It is listed in the ERCOT interconnection queue as entry ERCOT-26INR0411, with a queue entry date of March 22, 2024, and a proposed commercial operation date of July 1, 2027. The project's interconnection agreement status is currently in the Facility Study phase.

The proposed project is linked to the existing Tex-Bar ESS operating plant (EIA ID 68364). Recent news coverage has discussed the project.

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

Madison

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Tex-Bar ESS LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

Tap 345kV JEWETT_S5 (#3390) -- SINGLETON (#44645)

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_SOUTH
Hub Confidence
MEDIUM
POI Substation
North Zulch 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.

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InfraSure platform

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