Timothy Lake Powerhouse
Hydro power plant in Clackamas County, Oregon. 1.2 MW of nameplate capacity across 1 generator, operated by Portland General Electric Co.
Also known as EIA plant 60868
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1.2 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 2018First generator online
- Operator
- Portland General Electric CoEIA operator ID 15248
- Grid
- PGEBalancing authority PGE
- Price nodes
- None linkedNo verified ISO node
- Location
- Clackamas County, OR45.3705, −121.7565
- EIA plant ID
- 60868EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Timothy Lake Powerhouse produces
Free · EIA-923Net generation, 2025
1.77 GWh
1,769 MWh, final
Capacity factor, 2025
16.8%
2024: 19.4%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2019 to 2025
0.0–2.1
GWh a year. Low 2019, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | 0 | Not reported | 1 of 12 |
| 2019 | 0 | 0.0% | 12 of 12 |
| 2020 | 0 | 0.0% | 12 of 12 |
| 2021 | 0 | 0.0% | 12 of 12 |
| 2022 | 0 | 0.0% | 12 of 12 |
| 2023 | 946 | 9.0% | 12 of 12 |
| 2024 | 2,050 | 19.4% | 12 of 12 |
| 2025 | 1,769 | 16.8% | 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
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 | 1.2 | December 2018 |
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 Timothy Lake Powerhouse
More plants operated by Portland General Electric Co
Questions about Timothy Lake Powerhouse
How much power does Timothy Lake Powerhouse produce?
Timothy Lake Powerhouse reported 1,769 MWh (1.77 GWh) of net generation in 2025, a 16.8% capacity factor on 1.2 MW of nameplate capacity.
Where is Timothy Lake Powerhouse?
Timothy Lake Powerhouse is in Clackamas County, Oregon, at 45.3705, −121.7565. It is in the Portland General Electric Company balancing area (PGE).
Who operates Timothy Lake Powerhouse?
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 Timothy Lake Powerhouse start operating?
Its first generator began operating in December 2018, according to EIA-860M.
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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page