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
4 years
In Queue
IA Executed
IA Status
Signed May 2023
Queue → IA
1y 1m
IA → COD
2y 10m
Total Duration
1y 1m
Schedule
0 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
State
TX
County
San Patricio
Region
ERCOT
Developer
Pintail Pass BESS, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
8249 ANGSTROM 345KV
Data Source
LBNL + Live
Linked EIA Plant
Pintail BESS
EIA Plant ID: 68582