Guinness BESS
100.51 MW storage in Williamson, TX · In queue since July 2022 · Proposed COD April 2027
100.51 MW
Capacity
1
Components
Battery
3y 10m
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
4y 9m
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: 2027-04-15
The Guinness BESS project is a proposed 100.51 MW battery energy storage system located in Williamson County, Texas. The project is being developed by Momentum Energy Storage Partners, LLC. It is currently active in the ERCOT interconnection queue as entry ERCOT-24INR0352, with a queue entry date of July 25, 2022.
The proposed commercial operation date for the Guinness BESS project is April 15, 2027. Its interconnection agreement status is currently in the Facility Study phase. The point of interconnection is Tap 138kV 7520 BERTRA - 7522 ANDICE.
Generated from interconnection queue and public data sources
State
TX
County
Williamson
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Momentum Energy Storage Partners,LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 138kV 7520 BERTRA - 7522 ANDICE
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.
No ask pi reports yet for this entity.
ask pi about Guinness BESS
