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Unisea G 2

Aleutians West County, Alaska · EIA plant ID 54422 · Operator: Unisea Inc
OilPetroleum Liquids
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Nameplate18MWSummer 16 MW
Generators8in service
Net generation28GWh12 mo to Dec 2025
Capacity factor20%gas/coal/oil units, summer MW
Heat rate10,953Btu/kWhfossil units, electric fuel, HHV
First online1990Runs as intermediate

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
0246GWh2001200320052007200920112013201520172019202120232025

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%10%20%2005201020152020202520.5% · 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.
5,00010,00015,0002005201020152020202510,953 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
200128.424.0%9,998
200226.112.6%12,799
200329.520.7%13,284
200427.515.7%9,607
200530.922.1%11,349
200635.124.5%11,044
200734.520.5%9,959
200831.622.7%9,322
200932.119.2%10,895
201033.920.7%10,195
201131.422.3%12,756
201228.519.9%12,591
201331.618.5%10,295
201431.718.7%14,571
201531.319.6%10,754
201630.321.9%10,626
201729.921.0%10,326
201830.520.4%10,209
201930.221.7%10,382
202030.622.4%10,688
202129.121.5%10,909
202226.719.7%17,697
202329.621.8%10,788
20243223.3%10,173
202527.820.5%10,953

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
CAT4Petroleum LiquidsIC11May 2012Operating—coming soon
CAT5Petroleum LiquidsIC11May 2012Operating—coming soon
GEN1Petroleum LiquidsIC2.52.2Aug 1990Operating—coming soon
GEN2Petroleum LiquidsIC2.62.3Aug 1990Operating—coming soon
GEN3Petroleum LiquidsIC2.72.3Aug 1990Operating—coming soon
GEN4Petroleum LiquidsIC2.52.2Aug 1990Operating—coming soon
GEN5Petroleum LiquidsIC2.72.3Aug 1990Operating—coming soon
GEN6Petroleum LiquidsIC2.52.2Aug 1990Operating—coming soon
CAT1Petroleum LiquidsIC0.80.8Feb 1979Retired Jul 2011—coming soon
CAT2Petroleum LiquidsIC0.90.9May 1973Retired Jul 2011—coming soon

Owner / operator

Operator: Unisea Inc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Unisea Inc100.0%18 MW

Nearby plants

Within 80 km.
Dutch Harbor22 MW1.7 km
Westward Seafoods7 MW2.3 km
Unalaska Power Module1 MW3.2 km