Gulf Gateway Storage One
301.4 MW hybrid in San Patricio, TX · In queue since August 2025 · Proposed COD June 2027
301.4 MW
Capacity
0
Components
9 months
In Queue
—
IA Status
COD target: 2027
Total Duration
1y 10m
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: 2027-06-24
Gulf Gateway Storage One is a proposed 301.4 MW hybrid battery storage project located in San Patricio County, Texas. Developed by Gulf Gateway Storage, LLC, the project consists of battery energy storage and other unspecified technologies. It is currently active in the ERCOT interconnection queue as entry ERCOT-27INR0556, with a queue entry date of August 26, 2025, and a proposed commercial operation date of June 24, 2027.
The project's point of interconnection (POI) is the 88249 SDI7A 345kV substation. The project is listed as a hybrid project in the ERCOT queue, combining battery storage with other technologies. The interconnection agreement (IA) status is not specified in the available data.
Generated from interconnection queue and public data sources
State
TX
County
San Patricio
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Gulf Gateway Storage, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
88249 SDI7A 345kV
Data Source
Live · ERCOT
- 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.
