40.8 MW Hydro operating in Clackamas, OR — Portland General Electric Company
40.8 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1958
Operating Since
Coordinates
45.2435, -122.2799
County
Clackamas, OR
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Portland General Electric Co | Portland General Electric | — |
| Owner(s) | Portland General Electric Co | Portland General Electric | — |
| Status | Operating | — | — |
The North Fork Dam is on the Clackamas River, about five miles upriver from Estacada, Oregon. It was built in 1958. The North Fork Reservoir is behind it.
Read more on WikipediaThe North Fork hydroelectric plant is located in Clackamas County, Oregon. The plant has a total capacity of 40.8 MW across two generators and primarily utilizes water as its fuel source. It began operating in 1958 and is owned and operated by Portland General Electric (PGE). The plant is ranked 17th out of 63 power plants in Oregon and 345th out of 1464 nationally. It operates within the Portland General Electric Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In its latest year of reported generation, North Fork produced 186,671 MWh of electricity, achieving a capacity factor of 52.1%. Financial data indicates an installed cost of $2215.26 per kW. The plant's operations and impact have been covered in nine news articles, with topics ranging from industry trends to regulatory matters, grid operations, and potential hazards.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
Portland General Electric Company
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
24.1K MWh
Latest Month
186.7K MWh
Annual Generation
52.1%
Capacity Factor
$1,930/kW
Installed Cost
$18.4/MWh
Operating Cost
Portland General Electric Company
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
LMP Node
NFP1_1_GNODE1
Pricing Hub
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Last updated 2026-03-14
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