White River Lock and Dam 3
Hydro power plant in Stone County, Arkansas. 4.3 MW of nameplate capacity across 1 generator, operated by Ozark Hydro Management, LLC.
Also known as EIA plant 57162
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 4.3 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- August 2006First generator online
- Operator
- Ozark Hydro Management, LLCEIA operator ID 66533
- Grid
- SPABalancing authority SPA
- Price nodes
- None linkedNo verified ISO node
- Location
- Stone County, AR35.8436, −91.8505
- EIA plant ID
- 57162EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power White River Lock and Dam 3 produces
Free · EIA-923Net generation, 2025
18.3 GWh
18,264 MWh, final
Capacity factor, 2025
48.5%
2024: 79.8%
January to July 2026
16.0 GWh
Provisional
Range, 2015 to 2025
3.7–30.2
GWh a year. Low 2015, high 2024
| 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 | 22,743 | Not reported | 12 of 12 |
| 2010 | 22,961 | 61.0% | 12 of 12 |
| 2011 | 19,434 | 51.6% | 12 of 12 |
| 2012 | 20,704 | 54.8% | 12 of 12 |
| 2013 | 22,623 | 60.1% | 12 of 12 |
| 2014 | 2,018 | 5.4% | 12 of 12 |
| 2015 | 3,670 | 9.7% | 12 of 12 |
| 2016 | 22,334 | 59.1% | 12 of 12 |
| 2017 | 17,664 | 46.9% | 12 of 12 |
| 2018 | 17,320 | 46.0% | 12 of 12 |
| 2019 | 18,945 | 50.3% | 12 of 12 |
| 2020 | 27,115 | 71.8% | 12 of 12 |
| 2021 | 30,108 | 79.9% | 12 of 12 |
| 2022 | 28,703 | 76.2% | 12 of 12 |
| 2023 | 28,154 | 74.7% | 12 of 12 |
| 2024 | 30,157 | 79.8% | 12 of 12 |
| 2025 | 18,264 | 48.5% | 12 of 12 |
| 2026 (provisional, partial year) | 15,975 | 73.0% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
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 |
|---|---|---|---|
| LD#3 | Conventional Hydroelectric | 4.3 | August 2006 |
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 Ozark Hydro Management, 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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Power plants near White River Lock and Dam 3
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Questions about White River Lock and Dam 3
How much power does White River Lock and Dam 3 produce?
White River Lock and Dam 3 reported 18,264 MWh (18.3 GWh) of net generation in 2025, a 48.5% capacity factor on 4.3 MW of nameplate capacity. From January to July 2026 it reported 16.0 GWh, which is provisional.
Where is White River Lock and Dam 3?
White River Lock and Dam 3 is in Stone County, Arkansas, at 35.8436, −91.8505. It is in the Southwestern Power Administration balancing area (SPA).
Who operates White River Lock and Dam 3?
EIA-860M for August 2026 lists Ozark Hydro Management, LLC as the operator (EIA operator ID 66533). The operator is not always the owner.
When did White River Lock and Dam 3 start operating?
Its first generator began operating in August 2006, according to EIA-860M.
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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page