Longhorn Storage
Battery storage project in Eastland County, Texas. 165 MW of nameplate capacity across 1 generator, operated by Longhorn Storage LLC.
Also known as EIA plant 68878
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 165 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- September 2024First generator online
- Operator
- Longhorn Storage LLCEIA operator ID 67132
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- 1 ERCOT nodeResource nodes with prices
- Location
- Eastland County, TX32.4287, −99.1591
- EIA plant ID
- 68878EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Longhorn Storage produces
Free · EIA-923Net generation, 2025
−8.62 GWh
−8,616 MWh, final. 9 of 12 months reported
Battery discharge, 2025
55.2 GWh
Charge 63.8 GWh
January to July 2026
−9.35 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 | −8,616 | Not reported | 9 of 12 |
| 2026 (provisional, partial year) | −9,353 | 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 |
|---|---|---|---|
| LONGH | Batteries | 165.0 | September 2024 |
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 Longhorn Storage 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 Longhorn Storage
How much power does Longhorn Storage produce?
Longhorn Storage reported −8,616 MWh (−8.62 GWh) of net generation in 2025. From January to July 2026 it reported −9.35 GWh, which is provisional. 9 of 12 months were reported for 2025.
Where is Longhorn Storage?
Longhorn Storage is in Eastland County, Texas, at 32.4287, −99.1591. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Longhorn Storage?
EIA-860M for August 2026 lists Longhorn Storage LLC as the operator (EIA operator ID 67132). The operator is not always the owner.
When did Longhorn Storage start operating?
Its first generator began operating in September 2024, according to EIA-860M.
Does InfraMap have power prices for Longhorn Storage?
Yes. InfraMap has ERCOT day-ahead and real-time prices at 1 price node linked to Longhorn Storage, 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