Charolais Storage
BetaActiveBatteryERCOTLBNL + Live
150 MW storage in Matagorda, TX · In queue since February 2021 · Proposed COD December 2026
150 MW
Capacity
1
Components
Battery
5y 1m
In Queue
Facility Study
IA Status
COD target: 2026
Interconnection Timeline
Total Duration
5y 10m
Facilities Study50%
Queue EntryFeb 9, 2021
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: 2026-12-15
Project Details
State
TX
County
Matagorda
Region
ERCOT
Developer
RWE Solar Development, LLC
Utility
—
Entity
ERCOT
Point of Interconnection
tap 345kV 44000 W A Parish - 5915 STP
Data Source
LBNL + Live
No news available for this project.