Dutch Harbor
Aleutians West County, Alaska · EIA plant ID 7502 · Operator: City of Unalaska - (AK)
Nameplate22MWSummer 18 MW
Generators7in service
Net generation33GWh12 mo to Aug 2026
Capacity factor22%gas/coal/oil units, summer MW
Heat rate9,122Btu/kWhfossil units, electric fuel, HHV
First online1989Runs 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
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.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2002 | 25.5 | 54.0% | 9,946 |
| 2003 | 27.6 | 58.4% | 9,301 |
| 2004 | 30.2 | 63.8% | 9,436 |
| 2005 | 28.6 | 60.6% | 10,327 |
| 2006 | 29.9 | 63.2% | 10,246 |
| 2007 | 28.8 | 59.8% | 9,515 |
| 2008 | 29.4 | 60.9% | 9,631 |
| 2009 | 29.2 | 60.7% | 8,936 |
| 2010 | 28.3 | 46.1% | 9,273 |
| 2011 | 42.8 | 37.5% | 9,308 |
| 2012 | 43.8 | 33.9% | 9,025 |
| 2013 | 45 | 35.0% | 8,771 |
| 2014 | 46.6 | 36.2% | 9,167 |
| 2015 | 39.4 | 25.7% | 9,145 |
| 2016 | 46.9 | 29.0% | 9,100 |
| 2017 | 58.4 | 36.2% | 8,912 |
| 2018 | 54.4 | 33.7% | 9,082 |
| 2019 | 53 | 32.9% | 9,118 |
| 2020 | 42.2 | 26.1% | 8,947 |
| 2021 | 45.7 | 28.3% | 8,956 |
| 2022 | 42.5 | 26.4% | 9,040 |
| 2023 | 43.4 | 26.9% | 8,993 |
| 2024 | 39 | 24.1% | 8,897 |
| 2025 | 37.6 | 23.3% | 9,100 |
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 ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 10 | Petroleum Liquids | IC | 5.2 | 4.4 | Nov 2010 | Operating | — | coming soon |
| 11 | Petroleum Liquids | IC | 5.2 | 4.4 | Nov 2010 | Operating | — | coming soon |
| 12 | Petroleum Liquids | IC | 4.4 | 3.7 | Apr 2015 | Operating | — | coming soon |
| 13 | Petroleum Liquids | IC | 4.4 | 3.7 | Dec 2011 | Operating | — | coming soon |
| 15 | Petroleum Liquids | IC | 0.3 | 0.2 | Nov 2010 | Operating (Standby / backup) | — | coming soon |
| 8 | Petroleum Liquids | IC | 1.2 | 1 | Nov 1989 | Operating | — | coming soon |
| 9 | Petroleum Liquids | IC | 1.2 | 1 | May 1994 | Operating | — | coming soon |
| 1 | Petroleum Liquids | IC | 0.3 | 0.3 | Oct 1985 | Retired Jul 2011 | — | coming soon |
| 2 | Petroleum Liquids | IC | 0.3 | 0.3 | Mar 1987 | Retired Jul 2011 | — | coming soon |
| 3 | Petroleum Liquids | IC | 0.6 | 0.5 | Oct 1986 | Retired Jul 2011 | — | coming soon |
| 4 | Petroleum Liquids | IC | 0.9 | 0.7 | Oct 1986 | Retired Jul 2011 | — | coming soon |
| 5 | Petroleum Liquids | IC | 0.6 | 0.5 | Oct 1985 | Retired Jul 2011 | — | coming soon |
| 6 | Petroleum Liquids | IC | 1.4 | 1.2 | Oct 1985 | Retired Jul 2011 | — | coming soon |
Owner / operator
Operator: City of Unalaska - (AK). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| City of Unalaska - (AK) | 100.0% | 22 MW |
Nearby plants
Within 80 km.
| Unisea G 2 | 18 MW | 1.7 km |
| Unalaska Power Module | 1 MW | 3.6 km |
| Westward Seafoods | 7 MW | 3.9 km |