Cartwheel BESS 2
156.91 MW storage in Hopkins, TX · In queue since June 2022 · Proposed COD June 2028
156.91 MW
Capacity
1
Components
Battery
3y 9m
In Queue
Facility Study
IA Status
COD target: 2028
Total Duration
6 years
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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2028-06-15
State
TX
County
Hopkins
Region
ERCOT
Developer
RWE Renewables
Utility
—
Entity
ERCOT
Point of Interconnection
Tap 345kV 1697 Sulphur Springs Switch _x0013_ 2464 Cash Switch
Data Source
LBNL + Live
RWE breaks ground on 900MWh of ERCOT BESS
German energy company RWE said yesterday (2 October) it has broken ground on three battery energy storage system (BESS) project in Texas, US, totalling 900MWh.
RWE breaks ground on 450 MW of batteries in Texas | Energy Storage News
German energy company RWE AG (ETR:RWE) has started construction of three battery energy storage systems (BESS) in Texas, with a combined...
RWE breaks ground on 450 MW of batteries in Texas | Energy Storage News
German energy company RWE AG (ETR:RWE) has started construction of three battery energy storage systems (BESS) in Texas, with a combined...
RWE breaks ground on 450 MW of batteries in Texas | Energy Storage News
German energy company RWE AG (ETR:RWE) has started construction of three battery energy storage systems (BESS) in Texas, with a combined...
Last updated 2026-03-26