Minco II Energy Storage
Battery storage project in Grady County, Oklahoma. 65 MW of nameplate capacity across 1 generator, operated by Minco II Energy Storage LLC.
Also known as EIA plant 68802
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 65 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- May 2025First generator online
- Operator
- Minco II Energy Storage LLCEIA operator ID 67074
- Grid
- SPPBalancing authority SWPP
- Price nodes
- 1 SPP nodeResource nodes with prices
- Location
- Grady County, OK35.3053, −97.8912
- EIA plant ID
- 68802EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Minco II Energy Storage produces
Free · EIA-923Net generation, 2025
−9.42 GWh
−9,422 MWh, final. 8 of 12 months reported
Battery discharge, 2025
59.2 GWh
Charge 68.7 GWh
January to July 2026
−7.43 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 | −9,422 | Not reported | 8 of 12 |
| 2026 (provisional, partial year) | −7,434 | 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 · SPPEmissions
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 |
|---|---|---|---|
| MINS2 | Batteries | 65.0 | May 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 Minco II Energy 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 Minco II Energy Storage
How much power does Minco II Energy Storage produce?
Minco II Energy Storage reported −9,422 MWh (−9.42 GWh) of net generation in 2025. From January to July 2026 it reported −7.43 GWh, which is provisional. 8 of 12 months were reported for 2025.
Where is Minco II Energy Storage?
Minco II Energy Storage is in Grady County, Oklahoma, at 35.3053, −97.8912. It is in the Southwest Power Pool balancing area (SWPP).
Who operates Minco II Energy Storage?
EIA-860M for August 2026 lists Minco II Energy Storage LLC as the operator (EIA operator ID 67074). The operator is not always the owner.
When did Minco II Energy Storage start operating?
Its first generator began operating in May 2025, according to EIA-860M.
Does InfraMap have power prices for Minco II Energy Storage?
Yes. InfraMap has SPP day-ahead and real-time prices at 1 price node linked to Minco II Energy 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)
- SPP 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