PHOTON BESS REPOWERING
305.48 MW hybrid in Wharton, TX · In queue since November 2025 · Proposed COD May 2027
305.48 MW
Capacity
0
Components
6 months
In Queue
—
IA Status
COD target: 2027
Total Duration
1y 6m
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: 2027-05-17
The PHOTON BESS REPOWERING project is a proposed 305.48 MW hybrid battery energy storage development in Wharton County, Texas. Developed by GulfStar Power, LLC, the project consists of battery energy storage and other unspecified technologies. It is currently active in the ERCOT interconnection queue as entry ERCOT-26INR0725, with a queue entry date of November 5, 2025, and a proposed commercial operation date of May 17, 2027.
The project's point of interconnection (POI) is the 44880 Waterh_POI_5 345kV location.
Generated from interconnection queue and public data sources
State
TX
County
Wharton
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
GulfStar Power, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
44880 Waterh_POI_5 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.
