26th largest plant in Washington · 1164th nationally
Tucannon River Wind Farm is a wind power plant in Washington with a nameplate capacity of 267 MW. It generates roughly 678.5k MWh per year — enough to power about 64,615 average U.S. homes.
Its capacity factor of 29% reflects intermittent or peaking operation.
| Plant Name | Tucannon River Wind Farm |
|---|---|
| Operator | Portland General Electric Co |
| City | Dayton |
| County | Columbia County |
| State | Washington |
| ZIP | 99328 |
| Coordinates | 46.42111, -118.02694 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| 1 | Onshore Wind Turbine | Wind | 267 MW | Operating | 2014 |
| NERC Region | WECC |
|---|---|
| Balancing Authority | Portland General Electric Company |
Wind farms harvest kinetic energy from moving air using large rotor blades coupled to generators. Like solar, they produce zero emissions but vary with weather. Onshore wind capacity factors typically run 30–45%; offshore can exceed 50%.