Fierce River BESS
284.49 MW storage in Starr, TX · In queue since March 2024 · Proposed COD February 2029
284.49 MW
Capacity
1
Components
Battery
2y 2m
In Queue
Facility Study
IA Status
COD target: 2029
Total Duration
4y 11m
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: 2029-02-22
Fierce River BESS is a proposed battery storage project with a total capacity of 284.49 MW. The project is located in Starr County, Texas, and is being developed by Rio Grande Solar LLC. It consists entirely of battery storage.
The project is listed in the ERCOT interconnection queue as entry ERCOT-27INR0222, with a queue entry date of March 22, 2024. Its proposed commercial operation date is February 22, 2029. The project's interconnection agreement status is currently in the Facility Study phase.
Generated from interconnection queue and public data sources
State
TX
County
Starr
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Rio Grande Solar LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tapping the 345 kV Line from Del Sol (Bus# 80355) to Frontera (Bus# 80119) ckt 1
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.
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