Lower Rio BESS
60.37 MW storage in Hidalgo, TX · In queue since February 2021 · Proposed COD March 2025
60.37 MW
Capacity
1
Components
Battery
5y 3m
In Queue
IA Executed
IA Status
Signed Jul 2023
Queue → IA
2y 5m
IA → COD
1y 8m
Total Duration
2y 5m
Schedule
13 months past proposed COD
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: 2025-03-31
The Lower Rio BESS project is a proposed 60.37 MW battery storage project located in Hidalgo County, Texas. The project, developed by VESI 38 LLC, is interconnected within the ERCOT region under queue ID ERCOT-22INR0468. It entered the interconnection queue on February 9, 2021, and has a proposed commercial operation date of March 31, 2025.
The project's Interconnection Agreement (IA) was executed on July 10, 2023. The Lower Rio BESS is linked to the existing Lower Rio Energy Storage operating plant (EIA plant ID 68496). The point of interconnection is the 5792 Sioux 138kV.
Generated from interconnection queue and public data sources
State
TX
County
Hidalgo
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
VESI 38 LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
5792 Sioux 138kV
Data Source
LBNL
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- LOWR_ESS_RN
- POI Substation
- Sioux Substation
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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