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 11m
In Queue
IA Executed
IA Status
Signed Nov 2023
Queue → IA
1y 5m
IA → COD
2y 1m
Total Duration
1y 5m
Schedule
4 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
Cartwheel BESS 1 is a proposed energy storage project located in Hopkins County, Texas, with a total capacity of 154.2 MW. The project, developed by Cartwheel BESS, LLC, consists entirely of battery storage. It is currently in the ERCOT interconnection queue as entry ERCOT-23INR0494, with a queue entry date of June 2, 2022, and a proposed commercial operation date of December 23, 2025.
The project has an Interconnection Agreement (IA) executed on November 10, 2023. The Point of Interconnection (POI) is Tap 345kV 1697 Sulphur Springs Switch _x0013_ 2464 Cash Switch.
Generated from interconnection queue and public data sources
State
TX
County
Hopkins
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
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
- 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.
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