St Gall Energy Storage II
Battery storage project in Pecos County, Texas. 100 MW of nameplate capacity across 1 generator, operated by St Gall Energy Storage II LLC.
Also known as EIA plant 68423
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 100 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- September 2025First generator online
- Operator
- St Gall Energy Storage II LLCEIA operator ID 66813
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- 1 ERCOT nodeResource nodes with prices
- Location
- Pecos County, TX30.9244, −102.9531
- EIA plant ID
- 68423EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power St Gall Energy Storage II produces
Free · EIA-923Net generation, 2025
−2.80 GWh
−2,801 MWh, final. 4 of 12 months reported
Battery discharge, 2025
23.1 GWh
Charge 25.9 GWh
January to July 2026
−4.69 GWh
Provisional
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | Not reported | Not reported | 0 of 12 |
| 2025 | −2,801 | Not reported | 4 of 12 |
| 2026 (provisional, partial year) | −4,685 | Not reported | 7 of 7 |
* 2026 covers January to July and is provisional. Battery plants can report negative net generation, when charging uses more energy than they discharge.
Power prices and basis
Free account · ERCOTEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| SGES2 | Batteries | 100.0 | September 2025 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists St Gall Energy Storage II LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Questions about St Gall Energy Storage II
How much power does St Gall Energy Storage II produce?
St Gall Energy Storage II reported −2,801 MWh (−2.80 GWh) of net generation in 2025. From January to July 2026 it reported −4.69 GWh, which is provisional. 4 of 12 months were reported for 2025.
Where is St Gall Energy Storage II?
St Gall Energy Storage II is in Pecos County, Texas, at 30.9244, −102.9531. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates St Gall Energy Storage II?
EIA-860M for August 2026 lists St Gall Energy Storage II LLC as the operator (EIA operator ID 66813). The operator is not always the owner.
When did St Gall Energy Storage II start operating?
Its first generator began operating in September 2025, according to EIA-860M.
Does InfraMap have power prices for St Gall Energy Storage II?
Yes. InfraMap has ERCOT day-ahead and real-time prices at 1 price node linked to St Gall Energy Storage II, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- ERCOT day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page