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Fredonia

Skagit County, Washington · EIA plant ID 607 · Operator: Puget Sound Energy Inc
Natural gasNatural Gas Fired Combustion Turbine⛽ Dual-fuelBA: PSEI
Nameplate376MWSummer 280 MW
Generators4in service
Net generation48GWh12 mo to Aug 2026
Capacity factor2%gas/coal/oil units, summer MW
Heat rate12,639Btu/kWhfossil units, electric fuel, HHV
First online1984Runs as intermediate

The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
-50050100150GWh2001200320052007200920112013201520172019202120232025

Capacity factor by year

Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%20%40%200520102015202020252.1% · 12 mo

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
8,00010,00012,00014,00016,0002005201020152020202512,639 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
2001975.142.3%10,395
200257.32.1%10,829
200319.80.7%10,749
200416.20.6%10,692
200512.70.5%11,192
200642.91.6%11,295
200727.61.0%11,825
200815.20.7%16,093
2009149.56.4%11,325
201073.93.0%10,672
201176.33.1%11,655
2012451.8%11,514
2013102.14.2%14,934
201467.52.8%13,252
2015161.46.6%12,461
2016245.810.0%12,017
2017120.54.9%13,875
2018129.35.3%13,377
2019195.88.0%12,038
2020195.37.9%12,374
2021386.415.8%11,754
2022273.311.1%12,002
2023967.139.4%11,641
202455422.5%11,518
2025109.94.5%12,304

Fuel capability

Gas-fired turbines (CT/GT/CA/CS) that can also burn liquid fuel. EIA-860 Schedule 3 for capability, EIA-923 for actual burn.
StatusLikely still dual fuel
Liquid fuel burned · 36 mo101,557 MMBtu
Last month with liquid burnAug 2026
Switch while operatingYes
Net summer MW on gas279
Net summer MW on oil279
Time gas → oilup to 1 h (EIA 1H)
Time oil → gasup to 1 h (EIA 1H)

Generators

EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
Gen IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
1Natural Gas Fired Combustion TurbineGT129.193May 1984Operating (Standby / backup)—coming soon
2Natural Gas Fired Combustion TurbineGT129.193May 1984Operating (Standby / backup)—coming soon
3Natural Gas Fired Combustion TurbineGT58.947Jul 2001Operating (Standby / backup)—coming soon
4Natural Gas Fired Combustion TurbineGT58.947Jul 2001Operating (Standby / backup)—coming soon

Owner / operator

Operator: Puget Sound Energy Inc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Puget Sound Energy Inc100.0%376 MW

Nearby plants

Within 80 km.
Sierra Pacific Burlington Facility28 MW0.9 km
March Point Cogeneration140 MW9.3 km
Encogen176 MW32.5 km
Arlington Microgrid2 MW39.5 km
Arlington Battery Energy Storage System—39.7 km
Ferndale Generating Station286 MW45.4 km