Mountain Springs BESS
150.52 MW storage in Cooke, TX · In queue since October 2023 · Proposed COD April 2029
150.52 MW
Capacity
1
Components
Battery
2y 7m
In Queue
Facility Study
IA Status
COD target: 2029
Total Duration
5y 6m
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2029-04-01
The Mountain Springs BESS project is a proposed 150.52 MW battery storage project located in Cooke County, Texas. The developer is listed as Mountain Springs BESS. It is currently in the ERCOT interconnection queue as entry ERCOT-26INR0219, with a queue entry date of October 4, 2023, and a proposed commercial operation date of April 1, 2029. The project's interconnection agreement status is currently in the Facility Study phase.
The proposed project consists solely of battery storage, with a total capacity of 150.52 MW. The point of interconnection is the 704 Mountain Springs 138 kV substation. The project is listed as active within the ERCOT queue.
Generated from interconnection queue and public data sources
State
TX
County
Cooke
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Mountain Springs BESS
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
704 Mountain Springs 138 kV
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- LOW
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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