Power Plants in Walla Walla County, Washington

Walla Walla County, Washington has 4 power plants totaling 1,592 MW of nameplate capacity. Browse every plant below with fuel type, operator, and capacity.

Plants4operating sites
Capacity1,592 MWnameplate
Generation3.2M MWhannual
Hydroelectric 89%Wind 11%

Plant locations

All plants in this county

PlantCityFuelCapacityOperator
Lower MonumentalKahlotusHydroelectric810 MWUsace Northwestern Division
Ice HarborBurbankHydroelectric603 MWUsace Northwestern Division
Fpl Energy Vansycle Llc (Wa)TouchetWind177 MWFpl Energy Vansycle Llc
Twin ReservoirsWalla WallaHydroelectric2.2 MWWalla Walla City Of

About power generation in Walla Walla County

Walla Walla County, Washington has 4 power plants totaling 1,592 MW of nameplate capacity. Hydroelectric is the dominant fuel source at 89% of installed capacity, followed by Wind (11%). The largest facility is Lower Monumental at 810 MW. Data comes from EIA Form 860, EIA Form 923, and EPA eGRID federal releases.

To find plants closer to a specific address in Walla Walla County, use the address lookup — it shows every plant within a chosen radius along with distance, fuel type, and emissions.