Millennium Energy Storage
BetaActiveBatteryERCOTLBNL
102.59 MW storage in Martin, TX · In queue since May 2023 · Proposed COD April 2027
102.59 MW
Capacity
1
Components
Battery
2y 10m
In Queue
Facility Study
IA Status
COD target: 2027
Interconnection Timeline
Total Duration
3y 11m
Facilities Study50%
Queue EntryMay 3, 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: 2027-04-30
Project Details
State
TX
County
Martin
Region
ERCOT
Developer
Rocky Mountain Energy Development, LLC
Utility
—
Entity
ERCOT
Point of Interconnection
Tap 138kV 23837 Buffalo - 23839 Triangle
Data Source
LBNL
No news available for this project.