How Power Plant Oversight Works Across Oregon

Oregon generates electricity in a pattern few states share. Dams on the Columbia, Deschutes, Rogue, McKenzie and Clackamas rivers sit alongside wind farms on the Columbia Plateau, solar arrays in the dry east, and a small number of gas, biomass and cogeneration plants. Our directory holds 213 power plant records, from Arlington in the Columbia Gorge country to Klamath Falls near the California line.

"Power plant" is a broad label. The office that answers your question depends on what kind of plant it is and what you need from it. Knowing the right body first saves several phone calls.

A plant's size usually decides which of these offices holds the paperwork. A large project has a state file. A small solar array on farmland may only have a county land-use record.

Wind and Solar Along the Columbia Plateau and Eastern Oregon

The densest cluster of listings sits along the Columbia River corridor and the plateau above it. Steady wind, open rangeland and high-voltage transmission lines explain why. Leaning Juniper Wind Power II sits at 72766 Rattlesnake Road near Arlington in Gilliam County. Klondike Wind Power is at 98536 Klondike Road outside Wasco in Sherman County, one of the least populated counties in the state.

Farther east, the Four Corners Windfarm Power Plant at 28821 Madison Road in Echo and Combine Hills I at 84700 White Reservoir Road near Milton-Freewater both fall under Umatilla County. That county also contains the Hermiston and Umatilla area, where Umatilla Electric Cooperative serves local customers. Morrow County adds the Boardman listing at 73334 Tower Road. Boardman was long known for its coal-fired unit, which stopped burning coal in 2020.

Solar shows up in the southeast corner. The Thunderegg Solar Center at 402 Gem Avenue in Nyssa and the Ontario Solar Center at 795 Northwest 9th Street in Ontario are both in Malheur County. This county is served by Idaho Power rather than the utilities that dominate western Oregon. That matters if you are trying to work out who buys the output or who to call about a transmission line on your land.

These plants are almost always gated, fenced and located on private or leased land. Do not drive up to the entrance expecting a front desk. Use the road address to find the parcel on the county's tax map, then contact the operator listed there.

Hydropower, Biomass and Gas Plants in Western and Central Oregon

West of the Cascades and in the central part of the state, the listings look different. Hydropower is the backbone of Oregon's in-state generation, and many older powerhouses are small, historic and still working. The Bend Power Plant at 960 Northwest Wall Street sits in the middle of town in Deschutes County. The Leaburg listing on McKenzie Highway near Springfield and the Cougar listing near Lowell are both in Lane County, on the McKenzie and Willamette river systems. Eugene Water & Electric Board, the city-owned utility, is a major operator on the McKenzie.

Other hydro-related listings include the Pge Power Plant at 33831 East Faraday Road in Estacada, on the Clackamas River, and the Prospect 4 Power Plant at 111 Mill Creek Drive in Prospect, in Jackson County near the upper Rogue River. The Peters Drive Plant in Hood River and Clearwater 2 at 115 Elk Ridge Lane in Idleyld Park, in the North Umpqua country of Douglas County, round out the river-based group.

Not every plant is a dam. Port Westward at 81566 Kallunki Road in Clatskanie is a gas-fired facility on the lower Columbia in Columbia County. Seneca Sustainable Energy at 29650 East Enid Road in Eugene and Douglas County Forest Products at 398 Del Rio Road in Roseburg reflect the timber economy. Mills there generate power from wood residue. Warm Springs Forest Products at 3270 U.S. 26 in Madras and the Lakeview Cogeneration listing at 2189 Missouri Avenue in Lakeview follow the same pattern. In Klamath Falls, the East Side listing on Conger Avenue is part of the Klamath Basin cluster, which includes a large number of records in Klamath County.

Hydro plants need a water right from the Oregon Water Resources Department. Biomass and gas plants need DEQ air permits. Those two agencies often hold the most useful public records for a specific plant.

Metro Versus Rural: Finding the Right Oregon Utility or Plant Contact

In the Portland metro area, most customers buy power from Portland General Electric or Pacific Power. The generating plants behind them are scattered across the state. A Portland resident may live more than 100 miles from the wind farm or dam supplying the grid. That is why a Washington County listing like Durham AWTF in Portland's suburbs looks quite different from the Estacada or Boardman entries. The name points to an advanced wastewater treatment facility, which is a utility-type site with its own equipment rather than a conventional generating station.

Rural Oregon runs on a patchwork. Cities such as Eugene run their own utilities. People's utility districts and member-owned cooperatives serve many smaller areas. Pacific Power covers large parts of southern and eastern Oregon, and Idaho Power covers Malheur County. If your bill, outage or service-line question is the issue, call your retail utility, not the plant. If your concern is noise, traffic, a land-use hearing or a permit, start with the county planning office and the Oregon Department of Energy.

Before you call a plant operator, gather three things: the exact street address from the listing, the name of the county, and a one-sentence description of your question. Many listings in rural areas have no phone number or website in our database. The utility that owns the plant, or the county, can usually point you to the right contact.

If you plan any digging near a plant, substation or transmission corridor, call 811 first. Oregon's utility notification center routes the request to the facility owners.

Power plant facilities in Oregon include a mix of federal, state, and municipally owned generation assets that contribute to the region's overall electricity supply. Oregon's energy mix and the number of publicly owned facilities reflect the state's natural resources, regulatory environment, and historical development of its utility infrastructure.

Power Plant locations are available in 88 cities across Oregon. They are spread across 31 counties.

Areas with the highest concentration of power plant locations include Arlington, Wasco, Echo, often reflecting proximity to water resources, fuel supply infrastructure, or industrial demand centers.

Residents of Oregon who are customers of a municipal or public power utility can contact their local power authority for billing assistance, energy efficiency programs, and information about planned outages or infrastructure upgrades in their service area.

Power Plant by Counties

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Residents of Oregon who receive electricity service from a publicly owned utility can visit or contact that utility's customer service office to learn about outage reporting, billing options, and energy assistance programs. For information about a specific power generation facility in Oregon, contacting the state's public utility commission is often the best starting point.

Browse Power Plant by county across Oregon to find the nearest location.

Using Oregon Power Plant Listings With County and State Records

A directory listing gives you a name, a road address and a county. That is enough to start a records search. Match the address to the county assessor's parcel map, then check the county planning department for any conditional use permit tied to the site. For larger projects, the Oregon Department of Energy keeps site certificate files that show conditions on noise, wildlife and decommissioning.

Listing counts differ sharply by county, and that reflects geography. Clackamas County has hydro on the Clackamas River within an hour of Portland, while eastern counties hold large wind and solar acreage. Names in the database come from public datasets, so spellings and capitalization can look odd. Use the address, not the name alone, when you confirm a plant. Operators also change when plants are sold, so check current ownership with the county or the PUC before relying on an older name.

It depends on the question. The Oregon Public Utility Commission regulates rates and service for Portland General Electric, Pacific Power and Idaho Power. The Oregon Department of Energy and its Energy Facility Siting Council review large energy facilities before construction under ORS chapter 469. The Department of Environmental Quality issues air and water permits. Smaller projects are usually approved by the county planning department. Federal agencies license most non-federal hydropower and manage the big Columbia River dams. Start with the one that matches your concern, whether that is billing, siting, pollution or land use.

Usually not without arranging it first. Most generating sites, including wind farms near Arlington and Wasco and powerhouses on the McKenzie, are fenced and treated as secure industrial property. Some operators offer tours or public viewing areas, but you need to ask the owner directly. Public roads often pass close enough to see turbines or a dam from outside the fence. Never enter a gated area, climb a fence or fly a drone over a facility without permission. If you want a scheduled visit, contact the utility's community relations office a few weeks ahead.

The Boardman plant at 73334 Tower Road in Morrow County was Oregon's only coal-fired power station, operated by Portland General Electric. It stopped burning coal in 2020, years ahead of its original schedule, as part of the state's shift away from coal. The listing remains in our directory because the site, its land and its connection to the transmission grid still exist. For current plans at the site, check with Portland General Electric, Morrow County planning, or the Oregon Department of Energy.

For projects large enough to need a state site certificate, the Oregon Department of Energy runs a public process with comment periods and hearings. Notices go to nearby landowners and are posted on the agency's website. For smaller wind, solar or biomass projects, the county planning commission or board of commissioners holds the hearing. You can usually submit written comments by a stated deadline, and speaking at the hearing is common. Comments about land use, noise, wildlife, road impacts and decommissioning carry the most weight. Ask the planning office for the file number and the hearing date.

Malheur County is in Idaho Power's service area, unlike most of western Oregon, where Portland General Electric and Pacific Power dominate. This matters because the Oregon Public Utility Commission still regulates Idaho Power's Oregon rates and service, but the utility's operations are run from Idaho. If you have a question about the Thunderegg Solar Center in Nyssa or the Ontario Solar Center, the owner may be a developer rather than the utility. Check the county planning office and the PUC to see who holds the permits and who buys the output.

Call your retail utility for outages, downed lines and billing, since the plant itself does not handle customer service. Use the number on your bill or the utility's outage line. For a concern about a specific facility, such as smoke, noise, a spill or unsafe conditions, contact the plant operator first. If that does not work, report air or water problems to the Department of Environmental Quality and land-use issues to the county. If a regulated utility will not resolve a complaint, the Public Utility Commission's consumer services staff can take it up. In an emergency, always call 911.