Frederickson
Natural gas power plant in Pierce County, Washington. 177.8 MW of nameplate capacity across 2 generators, operated by Puget Sound Energy Inc.
Also known as Frederickson Generating Station · EIA plant 99
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 177.8 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- November 1981First generator online
- Operator
- Puget Sound Energy IncEIA operator ID 15500
- Grid
- PSEIBalancing authority PSEI
- Price nodes
- None linkedNo verified ISO node
- Location
- Pierce County, WA47.0797, −122.3650
- EIA plant ID
- 99EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Frederickson produces
Free · EIA-923Net generation, 2025
20.8 GWh
20,777 MWh, final
Capacity factor, 2025
1.3%
2024: 5.6%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
19.5–159.6
GWh a year. Low 2016, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 277,116 | Not reported | 12 of 12 |
| 2001 | 570,595 | Not reported | 12 of 12 |
| 2002 | 3,790 | Not reported | 12 of 12 |
| 2003 | 4,852 | Not reported | 12 of 12 |
| 2004 | 1,935 | Not reported | 12 of 12 |
| 2005 | 1,421 | Not reported | 12 of 12 |
| 2006 | 12,685 | Not reported | 12 of 12 |
| 2007 | 8,908 | Not reported | 12 of 12 |
| 2008 | 14,110 | Not reported | 12 of 12 |
| 2009 | 16,232 | Not reported | 12 of 12 |
| 2010 | 10,659 | 0.7% | 12 of 12 |
| 2011 | 11,797 | 0.8% | 12 of 12 |
| 2012 | 33,876 | 2.2% | 12 of 12 |
| 2013 | 30,694 | 2.0% | 12 of 12 |
| 2014 | 14,220 | 0.9% | 12 of 12 |
| 2015 | 39,935 | 2.6% | 12 of 12 |
| 2016 | 19,474 | 1.2% | 12 of 12 |
| 2017 | 25,536 | 1.6% | 12 of 12 |
| 2018 | 29,871 | 1.9% | 12 of 12 |
| 2019 | 81,365 | 5.2% | 12 of 12 |
| 2020 | 29,045 | 1.9% | 12 of 12 |
| 2021 | 54,103 | 3.5% | 12 of 12 |
| 2022 | 49,664 | 3.2% | 12 of 12 |
| 2023 | 159,587 | 10.2% | 12 of 12 |
| 2024 | 87,827 | 5.6% | 12 of 12 |
| 2025 | 20,777 | 1.3% | 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.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Fired Combustion Turbine | 88.9 | November 1981 |
| 2 | Natural Gas Fired Combustion Turbine | 88.9 | November 1981 |
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 Puget Sound Energy Inc as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Frederickson
More plants operated by Puget Sound Energy Inc
Questions about Frederickson
How much power does Frederickson produce?
Frederickson reported 20,777 MWh (20.8 GWh) of net generation in 2025, a 1.3% capacity factor on 177.8 MW of nameplate capacity.
Where is Frederickson?
Frederickson is in Pierce County, Washington, at 47.0797, −122.3650. It is in the Puget Sound Energy balancing area (PSEI).
Who operates Frederickson?
EIA-860M for August 2026 lists Puget Sound Energy Inc as the operator (EIA operator ID 15500). The operator is not always the owner.
When did Frederickson start operating?
Its first generator began operating in November 1981, 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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page