Angleton BESS — Project Summary

Queue ID
ERCOT-24INR0547
Capacity
9.9 MW
Technology
Battery
Status
active
Location
Brazoria, TX
Region
ERCOT
Developer
Brazoria Winmill BESS, LLC
IA Status
IA Executed

Angleton BESS

BetaActiveBatteryERCOTLBNL

9.9 MW storage in Brazoria, TX · Proposed COD February 2025

9.9 MW

Capacity

1

Components

Battery

—

In Queue

IA Executed

IA Status

Signed Oct 2023

Interconnection Timeline

IA → COD

1y 4m

Schedule

14 months past proposed COD

Construction75%
Queue Entry

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 AgreementOct 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: 2025-02-13

Project Details

State

TX

County

Brazoria

Region

ERCOT

Developer

Brazoria Winmill BESS, LLC

Utility

—

Entity

ERCOT

Point of Interconnection

STATION NAME (TSP STATION CODE): Angleton (AE) LOAD/LOAD TRANSFORMER NAME: TR1 PTI BUS NUMBER: 42111 VOLTAGE (TRANSMISSION LEVEL): 138KV

Data Source

LBNL

No news available for this project.