White River Lock and Dam 3
White River Lock and Dam 3 is a 4 MW hydroelectric power plant in Stone County, Arkansas, operated by Ozark Hydro Management, LLC. EIA-860M lists 1 generating unit here. Its unit entered service in 2006.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 4.3 MW
- 4.3 MW net summer
- Generating units
- 1
- In service
- 2006
- EIA plant ID
- 57162
Where it is
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- County
- Stone County, Arkansas
- Coordinates
- 35.8436, -91.8505
- Balancing authority
- SPA
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- Ozark Hydro Management, LLC
- Primary energy source
- Hydro
- Technologies
- Conventional Hydroelectric
- Status
- Operating
White River Lock and Dam 3: FAQ
- Where is White River Lock and Dam 3?
- In Stone County, Arkansas (AR). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is White River Lock and Dam 3?
- 4 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns White River Lock and Dam 3?
- EIA-860M names Ozark Hydro Management, LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is this the same as White River Lock and Dam 3 LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Ozark Hydro Management, LLC here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "White River Lock and Dam 3 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is White River Lock and Dam 3 still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.