Hydro Power Plants in Oregon

Oregon has 60 hydro power plants in the Bywatts database, totaling 8.2 GW of nameplate capacity. The largest is JOHN DAY (2,160 MW), operated by USACE NORTHWESTERN DIVISION.

60Plants
8.2 GWCombined capacity

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All 60 hydro plants in Oregon

PlantCapacity (MW)OperatorCommissioned
JOHN DAY2,160USACE NORTHWESTERN DIVISION1968
THE DALLES1,820USACE NORTHWESTERN DIVISION1957
BONNEVILLE1,093USACE NORTHWESTERN DIVISION1938
MCNARY991USACE NORTHWESTERN DIVISION1953
HELLS CANYON392IDAHO POWER CO1967
ROUND BUTTE247PORTLAND GENERAL ELECTRIC CO1964
OXBOW190IDAHO POWER CO1961
LOOKOUT POINT120USACE NORTHWESTERN DIVISION1955
CARMEN SMITH114EUGENE WATER & ELECTRIC BOARD1963
PELTON110PORTLAND GENERAL ELECTRIC CO1957
DETROIT100USACE NORTHWESTERN DIVISION1953
JOHN C BOYLE99PACIFICORP·
GREEN PETER80USACE NORTHWESTERN DIVISION1967
OAK GROVE51PORTLAND GENERAL ELECTRIC CO1924
LOST CREEK49USACE NORTHWESTERN DIVISION1977
TOKETEE FALLS43PACIFICORP1949
NORTH FORK41PORTLAND GENERAL ELECTRIC CO1958
FARADAY37PORTLAND GENERAL ELECTRIC CO1958
LEMOLO 233PACIFICORP1956
LEMOLO 133PACIFICORP1955
PROSPECT 232PACIFICORP1928
HILLS CREEK30USACE NORTHWESTERN DIVISION1962
CLEARWATER 226PACIFICORP1953
COUGAR26USACE NORTHWESTERN DIVISION1964
PHP 124PORTLAND GENERAL ELECTRIC CO1982
FOSTER20USACE NORTHWESTERN DIVISION1968
WARM SPRINGS POWER ENTERPRISES20WARM SPRINGS POWER ENTERPRISES1982
RIVER MILL19PORTLAND GENERAL ELECTRIC CO1911
BIG CLIFF18USACE NORTHWESTERN DIVISION1954
SLIDE CREEK18PACIFICORP1951
GREEN SPRINGS17U S BUREAU OF RECLAMATION1960
LEABURG16EUGENE WATER & ELECTRIC BOARD·
SULLIVAN15PORTLAND GENERAL ELECTRIC CO1924
CLEARWATER 115PACIFICORP1953
DEXTER15USACE NORTHWESTERN DIVISION1955
STONE CREEK12EUGENE WATER & ELECTRIC BOARD1994
PHP 212PORTLAND GENERAL ELECTRIC CO1982
FISH CREEK11PACIFICORP1952
SODA SPRINGS11PACIFICORP1952
WALTERVILLE8EUGENE WATER & ELECTRIC BOARD1949
PROSPECT 37PACIFICORP1932
TUNNEL 1 POWER PROJECT7OWYHEE IRRIGATION DISTRICT1993
DALLES DAM NORTH FISHWAY PROJECT7NORTHERN WASCO COUNTY PUD1991
SIPHON POWER PROJECT5CENTRAL OREGON IRRIGATION DIST1989
OPAL SPRINGS HYDRO4DESEHUTES VALLEY WATER DISTRICT1985
OWYHEE DAM POWER PROJECT4OWYHEE IRRIGATION DISTRICT1985
FALLS CREEK4FALLS CREEK HYDROPOWER LP1984
PROSPECT 14PACIFICORP1912
MIDDLE FORK IRRIGATION DISTRICT3MIDDLE FORK IRRIGATION DIST1986
EAST SIDE3PACIFICORP1924
COPPER DAM PLANT3FARMER'S IRRIGATION DISTRICT2015
EAGLE POINT3PACIFICORP1957
MICHELL BUTTE POWER PROJECT2OWYHEE IRRIGATION DISTRICT1989
PETERS DRIVE PLANT2FARMER'S IRRIGATION DISTRICT1987
GALESVILLE PROJECT2DOUGLAS COUNTY1987
SPRAGUE HYDRO1SPRAGUE HYDRO LLC1989
BEND1PACIFICORP1913
WALLOWA FALLS1PACIFICORP1921
LACOMB IRRIGATION DISTRICT1LACOMB IRRIGATION DIST1986
PROSPECT 41PACIFICORP1944