St. Gall II Energy Storage
100.24 MW storage in Pecos, TX · In queue since April 2021 · Proposed COD June 2025
100.24 MW
Capacity
1
Components
Battery
5y 1m
In Queue
IA Executed
IA Status
Signed Oct 2024
Queue → IA
3y 6m
IA → COD
8 months
Total Duration
3y 6m
Schedule
11 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: 2025-06-01
The St. Gall II Energy Storage project is a proposed 100.24 MW battery storage project located in Pecos County, Texas. The developer is St. Gall Energy Storage LLC. It is interconnected within the ERCOT region under queue ID ERCOT-22INR0525, with an interconnection request date of April 13, 2021, and a proposed commercial operation date of June 1, 2025. The project's interconnection agreement has been executed as of October 31, 2024.
This development is linked to the existing St. Gall Energy Storage I operating plant (EIA plant ID 66336). The project has been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Pecos
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
St. Gall Energy Storage LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
38355 TNLeon Creek 138kV
Data Source
LBNL
- ISO / RTO
- ERCOT
- Trading Hub
- HB_WEST
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- SG_BES_BESS1
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.
Last updated 2026-03-26
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