Mountain Springs BESS — Project Summary

Queue ID
ERCOT-26INR0219
Capacity
150.52 MW
Technology
Battery
Status
active
Location
Cooke, TX
Region
ERCOT
Developer
Mountain Springs BESS
IA Status
Facility Study

Mountain Springs BESS

BetaActiveBatteryERCOTLBNL + Live

150.52 MW storage in Cooke, TX · In queue since October 2023 · Proposed COD April 2029

150.52 MW

Capacity

1

Components

Battery

2y 5m

In Queue

Facility Study

IA Status

COD target: 2029

Interconnection Timeline

Total Duration

5y 6m

Facilities Study50%
Queue EntryOct 4, 2023

Interconnection request submitted to ISO/RTO

Interconnection StudyCurrent

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: 2029-04-01

Project Details

State

TX

County

Cooke

Region

ERCOT

Developer

Mountain Springs BESS

Utility

Entity

ERCOT

Point of Interconnection

704 Mountain Springs 138 kV

Data Source

LBNL + Live

No news available for this project.