Castle Corral BESS
BetaActiveBatteryERCOTLBNL
201.1 MW storage in Mills, TX · In queue since July 2023 · Proposed COD August 2027
201.1 MW
Capacity
1
Components
Battery
2y 8m
In Queue
Facility Study
IA Status
COD target: 2027
Interconnection Timeline
Total Duration
4y 1m
Facilities Study50%
Queue EntryJul 31, 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: 2027-08-23
Project Details
State
TX
County
Mills
Region
ERCOT
Developer
Castle Corral BESS, LLC
Utility
—
Entity
ERCOT
Point of Interconnection
345 kV Russell Gap Switching Station Bus #3348
Data Source
LBNL
No news available for this project.