Rio Hondo BESS
200.78 MW storage in Cameron, TX · In queue since May 2024 · Proposed COD June 2028
200.78 MW
Capacity
1
Components
Battery
2 years
In Queue
Facility Study
IA Status
COD target: 2028
Total Duration
4y 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: 2028-06-30
The Rio Hondo BESS project is a proposed 200.78 MW battery storage project located in Cameron County, Texas. The developer is SBESS TX25 LLC. It is interconnected within the ERCOT region under queue ID ERCOT-26INR0461, with a queue entry date of May 9, 2024. The project's proposed commercial operation date is June 30, 2028, and its interconnection agreement status is currently in the Facility Study phase.
The Rio Hondo BESS project consists of 200.78 MW of battery storage capacity. The project has been mentioned in recent news coverage related to deals.
Generated from interconnection queue and public data sources
State
TX
County
Cameron
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
SBESS TX25 LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
138 kV 8319 Rio Hondo Substation
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.
Last updated 2026-03-26
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