Cascade Storage
250 MW storage in Brazoria, TX · In queue since September 2021 · Proposed COD January 2026
250 MW
Capacity
1
Components
Battery
4y 8m
In Queue
Facility Study
IA Status
COD target: 2026
Total Duration
4y 4m
Schedule
4 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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2026-01-16
Cascade Storage is a proposed 250 MW battery storage project located in Brazoria County, Texas. The project, being developed by Oyster Creek LLC, is interconnected within the ERCOT region under queue ID ERCOT-23INR0376. It entered the interconnection queue on September 9, 2021, and has a proposed commercial operation date of January 16, 2026. The project's interconnection status is currently in the Facility Study phase.
The Cascade Storage project has been the subject of recent news coverage, with five articles published in industry news sources.
Generated from interconnection queue and public data sources
State
TX
County
Brazoria
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Oyster Creek LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
345kV Oasis (43035) _x0013_ Seabreeze circuit 27
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.
Last updated 2026-03-26
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