Mountain Creek BESS Expansion
408.69 MW storage in Dallas, TX · In queue since September 2023 · Proposed COD June 2028
408.69 MW
Capacity
1
Components
Battery
2y 8m
In Queue
Facility Study
IA Status
COD target: 2028
Total Duration
4y 9m
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: 2028-06-01
The Mountain Creek BESS Expansion is a proposed 408.69 MW battery storage project located in Dallas County, Texas. Developed by Mountain Creek Power, LLC, the project is interconnected within the ERCOT region under queue ID ERCOT-25INR0457. It entered the interconnection queue on September 25, 2023, and has a proposed commercial operation date of June 1, 2028. The project's interconnection agreement status is currently in the Facility Study phase.
The development has been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Dallas
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Mountain Creek Power, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
2412 Mountain Creek East 138kV
Data Source
LBNL
- 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.
