Pajarita BESS
205.5 MW storage in Cameron, TX · In queue since January 2021 · Proposed COD July 2028
205.5 MW
Capacity
1
Components
Battery
5y 4m
In Queue
Facility Study
IA Status
COD target: 2028
Total Duration
7y 6m
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: 2028-07-19
The Pajarita BESS project is a proposed 205.5 MW battery storage project located in Cameron County, Texas. The developer is VESI 29 LLC. It is currently in the ERCOT interconnection queue as entry ERCOT-22INR0466, with a queue entry date of January 25, 2021. The proposed commercial operation date is July 19, 2028, and the project's interconnection agreement status is currently in the Facility Study phase.
The project consists entirely of battery storage with a total capacity of 205.5 MW. The point of interconnection is the 8266 Marconi 138kV location. The Pajarita BESS project has appeared in recent news coverage regarding energy storage development in Texas.
Generated from interconnection queue and public data sources
State
TX
County
Cameron
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
VESI 29 LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
8266 Marconi 138kV
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- RN_SR_WIND1
- POI Substation
- Marconi 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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