Power Plants in Multnomah County, Oregon

Multnomah County, Oregon has 6 power plants totaling 1,387 MW of nameplate capacity. Browse every plant below with fuel type, operator, and capacity.

Plants6operating sites
Capacity1,387 MWnameplate
Generation3.7M MWhannual
Hydroelectric 85%Battery Storage 14%

Plant locations

All plants in this county

PlantCityFuelCapacityOperator
BonnevilleCascade LocksHydroelectric1,162 MWUsace Northwestern Division
Sundial (Troutdale) BessTroutdaleBattery Storage200 MWTroutdale Grid, Llc
Php 1SandyHydroelectric23.7 MWPortland City Of
Oregon Convention CenterPortlandSolar1.4 MWTesla Inc.
Ground Water Pumping StationPortlandHydroelectric— MWPortland City Of
Seaside BessPortlandBattery Storage— MWPortland General Electric Co

About power generation in Multnomah County

Multnomah County, Oregon has 6 power plants totaling 1,387 MW of nameplate capacity. Hydroelectric is the dominant fuel source at 85% of installed capacity, followed by Battery Storage (14%) and Solar (0%). The largest facility is Bonneville at 1,162 MW. Data comes from EIA Form 860, EIA Form 923, and EPA eGRID federal releases.

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