Cascade Storage — Project Summary

Queue ID
ERCOT-23INR0376
Capacity
250 MW
Technology
Battery
Status
active
Location
Brazoria, TX
Region
ERCOT
Developer
Oyster Creek LLC
IA Status
Facility Study

Cascade Storage

BetaActiveBatteryERCOTLBNL + Live

250 MW storage in Brazoria, TX · In queue since September 2021 · Proposed COD January 2026

250 MW

Capacity

1

Components

Battery

4y 6m

In Queue

Facility Study

IA Status

COD target: 2026

Interconnection Timeline

Total Duration

4y 4m

Schedule

2 months past proposed COD

Facilities Study50%
Queue EntrySep 9, 2021

Interconnection request submitted to ISO/RTO

Interconnection StudyCurrent

ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.

Typical: 18–30 months (fastest major ISO)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2026-01-16

Project Details

State

TX

County

Brazoria

Region

ERCOT

Developer

Oyster Creek LLC

Utility

Entity

ERCOT

Point of Interconnection

345kV Oasis (43035) _x0013_ Seabreeze circuit 27

Data Source

LBNL + Live

No news available for this project.