Rubicon Power BESS
301.38 MW storage in Brazoria, TX · In queue since November 2023 · Proposed COD December 2026
301.38 MW
Capacity
1
Components
Battery
2y 6m
In Queue
Facility Study
IA Status
COD target: 2026
Total Duration
3y 1m
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: 2026-12-31
The Rubicon Power BESS is a proposed 301.38 MW battery storage project located in Brazoria County, Texas. Developed by Rubicon Power LLC, the project consists entirely of battery storage. It is currently active in the ERCOT interconnection queue as entry ERCOT-27INR0096, with a queue entry date of November 14, 2023.
The proposed commercial operation date for the Rubicon Power BESS project is December 31, 2026. The project's interconnection status is currently in the Facility Study phase. The point of interconnection is the 39703 TNMP FM524 138kV location.
Generated from interconnection queue and public data sources
State
TX
County
Brazoria
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Rubicon Power LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
39703 TNMP FM524 138kV
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.