Timothy Lake Powerhouse — Plant Summary
- EIA Plant ID
- 60868
- Capacity
- 1.2 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Clackamas, OR
- Operating Since
- 2018
- Generators
- 1
- Operator
- Portland General Electric Co
- Parent Company
- Portland General Electric
- Annual Generation
- 2,050 MWh
- Capacity Factor
- 19.6%
- Balancing Authority
- Portland General Electric Company
- ISO/RTO
- —
- NERC Region
- WECC
Timothy Lake Powerhouse
OperatingHydro
Ranked #58 of 63 Hydro plants in OR#1377 of 1454 nationally
1.2 MW Hydro operating in Clackamas, OR — Portland General Electric Company
EIAWD
1.2 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
2018
Operating Since
Location
Coordinates
45.3705, -121.7565
County
Clackamas, OR
Nearby Plants
- Middle Fork Irrigation DistrictHydro3.3 MW · 17.3 km
- Brightwood Solar, LLCSolar10 MW · 25.2 km
- PHP 1Hydro23.7 MW · 28.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Portland General Electric Co | Portland General Electric | — |
| Owner(s) | Portland General Electric Co | Portland General Electric | — |
| Status | Operating | — | — |
Ownership Chain
About
Timothy Lake Powerhouse is a hydroelectric generating facility located in Clackamas County, Oregon. The plant is owned and operated by Portland General Electric (PGE). Commissioned in 2018, it has a total capacity of 1.2 MW from a single generator utilizing conventional hydroelectric technology. The plant's primary fuel source is water (WAT).
In the most recent year of data, Timothy Lake Powerhouse generated 2,050 MWh of electricity, achieving a capacity factor of 19.6%. The plant operates within the Portland General Electric Company balancing authority, in the Western Electricity Coordinating Council (WECC) NERC region. In terms of size, Timothy Lake Powerhouse ranks as the 57th largest power plant in Oregon out of 63, and 1402nd nationally out of 1464.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Portland General Electric Company
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
83 MWh
Latest Month
2.0K MWh
Annual Generation
19.6%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (6)Beta
General
Utility Portland General Electric finalises agreements for 1GW renewables and BESS
Portland General Electric (PGE) has finalised agreements for more than 1000MW of new renewable energy and BESS projects in Oregon,US.
Energy-Storage.News·3 weeks ago
General
PGE wants to add solar to troubled wind farm instead of replacing turbines
The turbines at Portland General Electric's Biglow Canyon wind farm have experienced continuing maintenance issues in recent years,...
OregonLive.com·9 months ago
General
PGE wants to add solar to troubled wind farm instead of replacing turbines
The turbines at Portland General Electric's Biglow Canyon wind farm have experienced continuing maintenance issues in recent years,...
OregonLive.com·9 months ago
General
Upcoming investigation: How an airborne blade exposed broader problems at PGE’s flagship wind farm
A Vestas turbine launched a blade at Portland General Electric's Biglow Canyon wind farm Feb. 1. The seven-ton blade landed along with a shower of bolts in a...
OregonLive.com·3 years ago
Last updated 2026-03-26
View all 6 articles