Guinness BESS
BetaActiveBatteryERCOTLBNL + Live
100.51 MW storage in Williamson, TX · In queue since July 2022 · Proposed COD April 2027
100.51 MW
Capacity
1
Components
Battery
3y 8m
In Queue
Facility Study
IA Status
COD target: 2027
Interconnection Timeline
Total Duration
4y 9m
Facilities Study50%
Queue EntryJul 25, 2022
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: 2027-04-15
Project Details
State
TX
County
Williamson
Region
ERCOT
Developer
Momentum Energy Storage Partners,LLC
Utility
—
Entity
ERCOT
Point of Interconnection
Tap 138kV 7520 BERTRA - 7522 ANDICE
Data Source
LBNL + Live
No news available for this project.