43rd largest plant in Washington · 2002nd nationally
Rattlesnake Flat is a wind power plant in Washington with a nameplate capacity of 144 MW. It generates roughly 345.6k MWh per year — enough to power about 32,914 average U.S. homes.
Its capacity factor of 27% reflects intermittent or peaking operation.
| Plant Name | Rattlesnake Flat |
|---|---|
| Operator | Rattlesnake Flat, Llc |
| City | Ritzville |
| County | Adams County |
| State | Washington |
| ZIP | 99169 |
| Coordinates | 46.94102, -118.56714 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| RAT | Onshore Wind Turbine | Wind | 144 MW | Operating | 2020 |
| NERC Region | WECC |
|---|---|
| Balancing Authority | Avista Corporation |
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%.