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 8m
In Queue
Facility Study
IA Phase
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
Project cancelled and removed from ERCOT queue, listed among 43 cancelled ERCOT projects in April 2026
sourceWindmill 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
Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
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
Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- 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 reports yet for this entity.
Ask about Windmill Ridge StorageForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
