30th largest plant in Washington · 1324th nationally
Marengo Wind Plant is a wind power plant in Washington with a nameplate capacity of 234 MW. It generates roughly 560.6k MWh per year — enough to power about 53,387 average U.S. homes.
Its capacity factor of 27% reflects intermittent or peaking operation.
| Plant Name | Marengo Wind Plant |
|---|---|
| Operator | Pacificorp |
| City | Dayton |
| County | Columbia County |
| State | Washington |
| ZIP | 99328 |
| Coordinates | 46.37470, -117.77720 |
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 | 156 MW | Operating | 2007 |
| 2 | Onshore Wind Turbine | Wind | 78.0 MW | Operating | 2008 |
| NERC Region | WECC |
|---|---|
| Balancing Authority | Pacificorp - West |
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%.