SMT Elsa LLC
Battery storage project in Hidalgo County, Texas. 10 MW of nameplate capacity across 1 generator, operated by SMT Elsa LLC.
Also known as EIA plant 66931
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 10 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 2023First generator online
- Operator
- SMT Elsa LLCEIA operator ID 65841
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- 1 ERCOT nodeResource nodes with prices
- Location
- Hidalgo County, TX26.2961, −98.0096
- EIA plant ID
- 66931EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power SMT Elsa produces
Free · EIA-923Net generation, 2025
−321 MWh
−321 MWh, final
Battery discharge, 2025
1.40 GWh
Charge 1.72 GWh
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2024 to 2025
−363.0–−321.0
MWh a year. Low 2024, high 2025
| 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 | −363 | Not reported | 12 of 12 |
| 2025 | −321 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 |
|---|---|---|---|
| SMTEL | Batteries | 10.0 | December 2023 |
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 SMT Elsa 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 SMT Elsa
How much power does SMT Elsa LLC produce?
SMT Elsa LLC reported −321 MWh (−321 MWh) of net generation in 2025.
Where is SMT Elsa LLC?
SMT Elsa LLC is in Hidalgo County, Texas, at 26.2961, −98.0096. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates SMT Elsa LLC?
EIA-860M for August 2026 lists SMT Elsa LLC as the operator (EIA operator ID 65841). The operator is not always the owner.
When did SMT Elsa LLC start operating?
Its first generator began operating in December 2023, according to EIA-860M.
Does InfraMap have power prices for SMT Elsa LLC?
Yes. InfraMap has ERCOT day-ahead and real-time prices at 1 price node linked to SMT Elsa LLC, 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