Windmill Ridge Storage
151.4 MW storage in Brazoria, TX · In queue since November 2023 · Proposed COD December 2026
151.4 MW
Capacity
1
Components
Battery
2y 6m
In Queue
Facility Study
IA Status
COD target: 2026
Total Duration
3y 1m
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: 2026-12-31
Windmill Ridge Storage is a proposed 151.4 MW battery storage project located in Brazoria County, Texas. The developer is BT WMR Storage, LLC. The project is interconnected to the ERCOT grid under queue ID ERCOT-26INR0321, with a queue entry date of November 14, 2023, and a proposed commercial operation date of December 31, 2026. Its interconnection status is currently in the Facility Study phase.
The proposed project is linked to the existing Windmill Ridge Storage operating plant (EIA plant ID 68177). It has also been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Brazoria
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
BT WMR Storage, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Angleton (Bus #42110) - West Columbia Local (Bus #43381) 138 kV Substation
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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