Horsepower BESS — Project Summary

Queue ID
ERCOT-28INR0390
Capacity
257.5 MW
Technology
Battery
Status
active
Location
Bexar, Texas
Region
ERCOT
Developer
Horsepower BESS, LLC
IA Status

Horsepower BESS

BetaActiveOther - Battery Energy StorageERCOTLive · ERCOT

257.5 MW storage in Bexar, Texas · In queue since December 2025 · Proposed COD January 2028

257.5 MW

Capacity

0

Components

3 months

In Queue

IA Status

COD target: 2028

Interconnection Timeline

Total Duration

2y 1m

Pre-Study0%
Queue EntryDec 17, 2025

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 Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2028-01-31

Project Details

State

Texas

County

Bexar

Region

ERCOT

Developer

Horsepower BESS, LLC

Utility

Entity

ERCOT

Point of Interconnection

POI is 138 kV Howard Substation (Bus# 5230) (SSWG bus name: HOWARD), NMMS station code: S1

Data Source

Live · ERCOT

No news available for this project.