Bexar ESS (ERCOT-23INR0381) — Project Summary

Queue ID
ERCOT-23INR0381
Capacity
102.6 MW
Technology
Battery
Status
active
Location
Bexar, TX
Region
ERCOT
Developer
Bexar ESS LLC
IA Status
IA Executed

Bexar ESS

ERCOT-23INR0381BetaActiveBatteryERCOTLBNL + Live

102.6 MW storage in Bexar, TX · In queue since September 2021 · Proposed COD February 2026

102.6 MW

Capacity

1

Components

Battery

4y 8m

In Queue

IA Executed

IA Status

Signed Jul 2023

Interconnection

Queue → IA

1y 10m

IA → COD

2y 7m

Total Duration

1y 10m

Schedule

3 months past proposed COD

Construction75%
Queue EntrySep 21, 2021

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 AgreementJul 31, 2023

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2026-02-10

About

The Bexar ESS project is a proposed 102.6 MW battery storage project located in Bexar County, Texas. Developed by Bexar ESS LLC, the project consists entirely of battery storage. It is interconnected within the ERCOT region under queue ID ERCOT-23INR0381, with an interconnection queue entry date of September 21, 2021. The proposed commercial operation date is February 10, 2026, and the Interconnection Agreement was executed on July 31, 2023.

The project is linked to the existing Bexar ESS operating plant (EIA plant ID 66400). The Bexar ESS project has been mentioned in recent news coverage.

Generated from interconnection queue and public data sources

Project Details

State

TX

County

Bexar

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Bexar ESS LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

5007 Alamo One 138kV

Data Source

LBNL + Live

Market Context
Approximate
ISO / RTO
ERCOT
Trading Hub
HB_SOUTH
Hub Confidence
HIGH
Nearest Node (Estimated)
RN_OCI_ALAMO
POI Substation
OCI Alamo 1

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 news available for this project.

No ask pi reports yet for this entity.

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