Ross Storage
510.99 MW storage in Refugio, TX · In queue since August 2023 · Proposed COD July 2027
510.99 MW
Capacity
1
Components
Battery
2y 9m
In Queue
IA Executed
IA Status
Signed Jun 2024
Queue → IA
10 months
IA → COD
3y 1m
Total Duration
10 months
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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2027-07-31
The Ross Storage project is a proposed 510.99 MW battery storage project located in Refugio County, Texas. Developed by S&S Renewables, LLC, the project consists entirely of battery storage. It is currently active in the ERCOT interconnection queue as entry ERCOT-26INR0156, with a queue entry date of August 14, 2023, and a proposed commercial operation date of July 31, 2027.
The project's interconnection agreement has been executed as of June 27, 2024. The point of interconnection is planned at the 345 kV Angstrom (#8249) _x0013_ Static (#8676) line, managed by AEP. The Ross Storage project has been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Refugio
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
S&S Renewables, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
tap the 345 kV Angstrom (#8249) _x0013_ Static (#8676) line; AEP
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.
