Amsterdam Storage
201.13 MW storage in Brazoria, TX · In queue since October 2020 · Proposed COD February 2026
201.13 MW
Capacity
1
Components
Battery
5y 7m
In Queue
IA Executed
IA Status
Signed Apr 2022
Queue → IA
1y 6m
IA → COD
3y 10m
Total Duration
1y 6m
Schedule
3 months past proposed COD
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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2026-02-01
The Amsterdam Storage project is a proposed 201.13 MW battery storage project located in Brazoria County, Texas. The developer is Cottonwood Bayou II Storage, LLC. The project consists of 201.13 MW of battery capacity.
The project is in the ERCOT interconnection queue as entry ERCOT-22INR0417, with a queue entry date of October 7, 2020, and a proposed commercial operation date of February 1, 2026. The Interconnection Agreement (IA) was executed on April 14, 2022. The point of interconnection is tap 345kV 43035 Oasis - 42500 Dow c27. The project has been mentioned in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Brazoria
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Cottonwood Bayou II Storage, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
tap 345kV 43035 Oasis - 42500 Dow c27
Data Source
LBNL
- ISO / RTO
- ERCOT
- Trading Hub
- HB_WEST
- Hub Confidence
- MEDIUM
- POI Substation
- Oasis Substation
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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