Oregon · Hydroelectric

Hydroelectric power plants in Oregon

There are 63 hydroelectric plants in Oregon in this directory, with a combined nameplate capacity of 8.36 GW. The largest is John Day at 2.16 GW.

63
Plants
8.36 GW
Combined capacity
132.7 MW
Average plant size
1965
Avg. commissioning year
PlantFuelOwnerCapacity
John DayHydroelectricUSACE Northwestern Division2.16 GW
The DallesHydroelectricUSACE Northwestern Division1.82 GW
BonnevilleHydroelectricUSACE Northwestern Division1.16 GW
McNaryHydroelectricUSACE Northwestern Division990.5 MW
Hells CanyonHydroelectricIdaho Power Co411.1 MW
Round ButteHydroelectricPortland General Electric Co372.5 MW
Oxbow (OR)HydroelectricIdaho Power Co190 MW
Lookout PointHydroelectricUSACE Northwestern Division120 MW
Carmen SmithHydroelectricEugene Water & Electric Board114.3 MW
PeltonHydroelectricPortland General Electric Co109.8 MW
DetroitHydroelectricUSACE Northwestern Division100 MW
Green PeterHydroelectricUSACE Northwestern Division80 MW
Oak GroveHydroelectricPortland General Electric Co51 MW
Lost CreekHydroelectricUSACE Northwestern Division49 MW
Lemolo 2HydroelectricPacifiCorp43.7 MW
Toketee FallsHydroelectricPacifiCorp42.6 MW
North ForkHydroelectricPortland General Electric Co40.8 MW
FaradayHydroelectricPortland General Electric Co37.2 MW
Lemolo 1HydroelectricPacifiCorp32 MW
Prospect 2HydroelectricPacifiCorp32 MW
Hills CreekHydroelectricUSACE Northwestern Division30 MW
Clearwater 2HydroelectricPacifiCorp26 MW
CougarHydroelectricUSACE Northwestern Division26 MW
PHP 1HydroelectricPortland City of23.7 MW
FosterHydroelectricUSACE Northwestern Division20 MW
Warm Springs Power EnterprisesHydroelectricWarm Springs Power Enterprises19.6 MW
River MillHydroelectricPortland General Electric Co18.8 MW
Big CliffHydroelectricUSACE Northwestern Division18 MW
Slide CreekHydroelectricPacifiCorp18 MW
Green SpringsHydroelectricU S Bureau of Reclamation17.2 MW
SullivanHydroelectricPortland General Electric Co15.4 MW
Clearwater 1HydroelectricPacifiCorp15 MW
DexterHydroelectricUSACE Northwestern Division15 MW
Stone CreekHydroelectricEugene Water & Electric Board12 MW
PHP 2HydroelectricPortland City of11.8 MW
Fish CreekHydroelectricPacifiCorp11 MW
Soda SpringsHydroelectricPacifiCorp11 MW
Tunnel 1 Power ProjectHydroelectricOwyhee Irrigation District8.5 MW
WaltervilleHydroelectricEugene Water & Electric Board8 MW
Dorena Hydro-Electric FacilityHydroelectricDorena Hydro, LLC7.5 MW
Prospect 3HydroelectricPacifiCorp7.2 MW
Dalles Dam North Fishway ProjectHydroelectricNorthern Wasco County PUD6.5 MW
Siphon Power ProjectHydroelectricCentral Oregon Irrigation Dist5.4 MW
Juniper Ridge Hydroelectric ProjectHydroelectricCentral Oregon Irrigation Dist5 MW
Owyhee Dam Power ProjectHydroelectricOwyhee Irrigation District5 MW
Opal Springs HydroHydroelectricDeschutes Valley Water District4.3 MW
Falls CreekHydroelectricEagle Creek Renewable Energy, LLC4.1 MW
Prospect 1HydroelectricPacifiCorp3.8 MW
Middle Fork Irrigation DistrictHydroelectricMiddle Fork Irrigation Dist3.3 MW
East SideHydroelectricPacifiCorp3.2 MW
45 Mile Hydroelectric ProjectHydroelectricEBD Hydro LLC3 MW
Eagle PointHydroelectricPacifiCorp2.8 MW
Copper Dam PlantHydroelectricFarmer's Irrigation District2.6 MW
Michell Butte Power ProjectHydroelectricOwyhee Irrigation District2 MW
Peters Drive PlantHydroelectricFarmer's Irrigation District1.8 MW
Galesville ProjectHydroelectricDouglas County1.6 MW
Sprague HydroHydroelectricSprague Hydro LLC1.2 MW
Timothy Lake PowerhouseHydroelectricPortland General Electric Co1.2 MW
BendHydroelectricPacifiCorp1.1 MW
C-Drop HydroHydroelectricC-Drop1.1 MW
Wallowa FallsHydroelectricPacifiCorp1.1 MW
Lacomb Irrigation DistrictHydroelectricLacomb Irrigation Dist1 MW
Prospect 4HydroelectricPacifiCorp1 MW