North Fork
Hydro power plant in Clackamas County, Oregon. 40.8 MW of nameplate capacity across 2 generators, operated by Portland General Electric Co.
Also known as North Fork Dam · EIA plant 3047
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Key facts
- Capacity
- 40.8 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- November 1958First generator online
- Operator
- Portland General Electric CoEIA operator ID 15248
- Grid
- PGEBalancing authority PGE
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Clackamas County, OR45.2433, −122.2800
- EIA plant ID
- 3047EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power North Fork produces
Free · EIA-923Net generation, 2025
164 GWh
163,973 MWh, final
Capacity factor, 2025
45.9%
2024: 52.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
132.8–227.1
GWh a year. Low 2019, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 193,191 | Not reported | 12 of 12 |
| 2001 | 142,032 | Not reported | 12 of 12 |
| 2002 | 170,203 | Not reported | 12 of 12 |
| 2003 | 160,616 | Not reported | 12 of 12 |
| 2004 | 169,968 | Not reported | 12 of 12 |
| 2005 | 138,836 | Not reported | 12 of 12 |
| 2006 | 213,965 | Not reported | 12 of 12 |
| 2007 | 183,165 | Not reported | 12 of 12 |
| 2008 | 212,064 | Not reported | 12 of 12 |
| 2009 | 203,921 | Not reported | 12 of 12 |
| 2010 | 207,836 | 58.2% | 12 of 12 |
| 2011 | 205,479 | 57.5% | 12 of 12 |
| 2012 | 251,111 | 70.1% | 12 of 12 |
| 2013 | 176,751 | 49.5% | 12 of 12 |
| 2014 | 204,677 | 57.3% | 12 of 12 |
| 2015 | 134,517 | 37.6% | 12 of 12 |
| 2016 | 185,925 | 51.9% | 12 of 12 |
| 2017 | 227,055 | 63.5% | 12 of 12 |
| 2018 | 159,938 | 44.7% | 12 of 12 |
| 2019 | 132,751 | 37.1% | 12 of 12 |
| 2020 | 163,683 | 45.7% | 12 of 12 |
| 2021 | 167,166 | 46.8% | 12 of 12 |
| 2022 | 201,369 | 56.3% | 12 of 12 |
| 2023 | 155,141 | 43.4% | 12 of 12 |
| 2024 | 186,671 | 52.1% | 12 of 12 |
| 2025 | 163,973 | 45.9% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · CAISOEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 19.2 | December 1958 |
| 2 | Conventional Hydroelectric | 21.6 | November 1958 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Portland General Electric Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near North Fork
More plants operated by Portland General Electric Co
Questions about North Fork
How much power does North Fork produce?
North Fork reported 163,973 MWh (164 GWh) of net generation in 2025, a 45.9% capacity factor on 40.8 MW of nameplate capacity.
Where is North Fork?
North Fork is in Clackamas County, Oregon, at 45.2433, −122.2800. It is in the Portland General Electric Company balancing area (PGE).
Who operates North Fork?
EIA-860M for August 2026 lists Portland General Electric Co as the operator (EIA operator ID 15248). The operator is not always the owner.
When did North Fork start operating?
Its first generator began operating in November 1958, according to EIA-860M.
Does InfraMap have power prices for North Fork?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to North Fork, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page