Gulf Gateway Storage One (27INR0556)

Gulf Gateway Storage One is a 301.4 MW other interconnection project in San Patricio, Texas with a current status of operational. It is proposed to connect at Tap 345 kV 8249 Angstrom - 8624 Grissom .

301.4 MWCapacity
OperationalStatus
San PatricioMarket
OtherTechnology

Project facts

Canonical nameGulf Gateway Storage One
Queue ID27INR0556
Statusoperational
Source statusSS Completed, FIS Started, No IA
MarketSan Patricio
TechnologyOther
Capacity301.4 MW
StateTexas
CountySan Patricio
Point of interconnectionTap 345 kV 8249 Angstrom - 8624 Grissom
Requested (queue) date2025-08-26
Proposed in-service date
Operational date2029-12-01
Withdrawn date
DeveloperGulf Gateway Storage, LLC
Utility / transmission ownerERCOT

Cross-source records

This project is also observed in: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. interXdata links these source records without double-counting the project.

What changed

ObservedFieldOld valueNew valueMateriality
2026-07-31new_projectoperationalhigh

Explore related data

Source last checked2026-08-01
Data last materially changed2026-08-01
Page data generated2026-08-27

Provenance: ERCOT — Generation Interconnection Status (GIS) report. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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