Cartwheel BESS 1
154.2 MW storage in Hopkins, TX · In queue since June 2022 · Proposed COD December 2025
154.2 MW
Capacity
1
Components
Battery
3y 10m
In Queue
IA Executed
IA Status
Signed Nov 2023
Queue → IA
1y 5m
IA → COD
2y 1m
Total Duration
1y 5m
Schedule
3 months past proposed COD
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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2025-12-23
State
TX
County
Hopkins
Region
ERCOT
Developer
Cartwheel BESS, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 345kV 1697 Sulphur Springs Switch _x0013_ 2464 Cash Switch
Data Source
LBNL + Live