San Perlita BESS 2
150 MW storage in Willacy, TX · In queue since June 2022 · Proposed COD December 2025
150 MW
Capacity
1
Components
Battery
3y 11m
In Queue
Facility Study
IA Status
COD target: 2025
Total Duration
3y 6m
Schedule
5 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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2025-12-15
San Perlita BESS 2 is a proposed 150 MW battery storage project located in Willacy County, Texas. The project, being developed by RWE Renewables, is currently active in the ERCOT interconnection queue as entry ERCOT-23INR0497, with a queue entry date of June 2, 2022. The proposed commercial operation date is December 15, 2025.
The project's interconnection status is currently in the Facility Study phase. The point of interconnection is the 8601 Cebolla 345kV substation. The project has appeared in recent news.
Generated from interconnection queue and public data sources
State
TX
County
Willacy
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
RWE Renewables
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
8601 Cebolla 345kV
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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