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March Point Cogeneration

Skagit County, Washington · EIA plant ID 54268 · Operator: hollyfrontier corporation
Natural gasNatural Gas Fired Combustion TurbineBA: PSEI
Nameplate140MWSummer 120 MW
Generators3in service
Net generation897GWh12 mo to Aug 2026
Capacity factor85%gas/coal/oil units, summer MW
Heat rate5,774Btu/kWhfossil units, electric fuel, HHV
First online1991Runs as baseload

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
0255075100GWh2001200320052007200920112013201520172019202120232025

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%25%50%75%2005201020152020202585.3% · 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.
4,0006,0008,00010,00012,000200520102015202020255,774 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20011,220.9——
20021,102.2——
20031,053.482.3%8,050
20041,023.679.7%6,218
2005996.477.8%6,218
2006963.675.2%6,218
20071,004.478.4%6,130
20081,02379.7%6,093
2009995.777.7%6,084
20101,081.284.4%6,096
20111,090.885.2%6,094
20121,075.883.8%6,089
20131,042.281.4%6,078
20141,003.178.3%6,096
2015998.987.1%11,493
20161,026.397.2%5,748
2017940.689.3%5,750
2018899.785.4%5,751
201995590.8%5,749
2020902.585.6%5,753
2021948.690.2%5,761
202294990.3%5,750
2023951.990.6%5,772
202499093.9%5,767
2025942.389.6%5,772

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
GTG1Natural Gas Fired Combustion TurbineGT46.640Sep 1991Operating—coming soon
GTG2Natural Gas Fired Combustion TurbineGT46.640Oct 1991Operating—coming soon
GTG3Natural Gas Fired Combustion TurbineGT46.640Jan 1993Operating—coming soon
STG1Natural Gas Fired Combined CycleCA2726Jan 1993Retired Jun 2015—coming soon

Owner / operator

Operator: hollyfrontier corporation. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
hollyfrontier corporation100.0%140 MW

Nearby plants

Within 80 km.
Fredonia376 MW9.3 km
Sierra Pacific Burlington Facility28 MW9.7 km
Encogen176 MW31.1 km
Ferndale Generating Station286 MW40.9 km
Port Townsend Paper8 MW45.5 km
Arlington Microgrid2 MW46.3 km