Pintail Pass BESS
207.25 MW storage in San Patricio, TX · In queue since April 2022 · Proposed COD March 2026
207.25 MW
Capacity
1
Components
Battery
4y 1m
In Queue
IA Executed
IA Status
Signed May 2023
Queue → IA
1y 1m
IA → COD
2y 10m
Total Duration
1y 1m
Schedule
1 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: 2026-03-31
Pintail Pass BESS is a proposed 207.25 MW battery storage project in San Patricio County, Texas. Developed by Pintail Pass BESS, LLC, the project is interconnected within the ERCOT region under queue ID ERCOT-24INR0302. The project entered the queue on April 18, 2022, with a proposed commercial operation date of March 31, 2026.
The project's Interconnection Agreement (IA) was executed on May 16, 2023. Pintail Pass BESS is linked to the existing Pintail BESS operating plant (EIA plant ID 68582). The point of interconnection is the 8249 ANGSTROM 345KV substation.
Generated from interconnection queue and public data sources
State
TX
County
San Patricio
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Pintail Pass BESS, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
8249 ANGSTROM 345KV
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- HIGH
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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