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NSB Atqasuk Utility

Oil power plant in Alaska, United States of America. Approximate location 70.4826, -157.4252.

OilAlaskaUnited States of America

NSB Atqasuk Utility is a 3 MW oil power plant in Alaska, United States of America. It is operated by North Slope Borough Power & Light. Based on reported annual generation of 3 GWh, it can supply roughly 800 homes. It ranks #8023 of 10,938 United States of America power plants by installed capacity. Commissioned in 1997, it is around 29 years old — long-established. In context, oil supplies about 0.7% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

3Source-backed capacity
3GWh reported / yr
800homes powered
1997commissioned (~29 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0007482.

Data status

Known data

FacilityNSB Atqasuk Utility WRI
CountryUnited States of America · Alaska WRI
Coordinates70.4826, -157.4252 WRI
FuelOil WRI
MW installed capacity3 MW WRI source record; scope not independently normalised
OwnerNorth Slope Borough Power & Light WRI
Commissioned1997 WRI
GWh reported / yr3 GWh/yr WRI

Calculated from dataset

CO₂ emissions2,100 t CO₂/yr calculated
Capacity rank in country#8023 of 10938 calculated
Fuel-specific rank in country#665 of 902 calculated
Capacity vs country/fuel peers0.44× · 7 MW median · 902 peers calculated
Homes-powered equivalent800 calculated from reported generation
Climate-10.6°C · HDD 10,399 derived from coordinates
Environmental severityC1 · 27/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: Wikidata P2109 nameplate capacity; fuel: WRI source-record fuel

In context: how this plant compares

At 3 MW, NSB Atqasuk Utility is below the median oil plant in United States of America (7 MW). Oil-fired plants burn heavy fuel oil or diesel, usually as peaking or backup capacity on islands and grids without gas pipelines; high fuel cost keeps their utilisation low.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Reported generation trend

2013: 3 GWh20132014: 3 GWh20142015: 3 GWh20152016: 3 GWh20162017: 3 GWh20172018: 3 GWh20182019: 3 GWh20193 GWh

Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by North Slope Borough Power & Light.

Local climate & thermal context

This oil plant burns oil or diesel to drive turbines or reciprocating engines. It sits in a polar tundra climate (Köppen ET) — Northern Hemisphere, latitude 70.5°N — which shapes how much energy it can produce and how its output varies through the year.

-10.6°Cannual mean temp
10,399heating degree-days (base 18°C)
0cooling degree-days (base 18°C)
18 melevation

Monthly mean temperature

J: -26 °CJF: -27 °CFM: -25 °CMA: -16 °CAM: -5 °CMJ: 5 °CJJ: 9 °CJA: 7 °CAS: 2 °CSO: -9 °CON: -18 °CND: -24 °CD9 °C

Heating degree-days here run 323% above the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 100/100 — this site sits in the top third of the power plants we cover by heating degree-days.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a benign, low-corrosion environment (estimated ISO 9223 class C1 — Very low), with thermal cycling the leading environmental stress.

C1ISO 9223 corrosivity (indicative)
27/100environmental-severity index
35.7°Cseasonal temperature swing
32 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #665 largest oil power plant of 902 in United States of America by capacity.

United States of America has 902 oil power plants in this dataset, together about 40,022 MW of capacity.

Nearby power plants

Location

Coordinates 70.4826, -157.4252 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is NSB Atqasuk Utility?

NSB Atqasuk Utility is a 3 MW source-record oil power plant in Alaska, United States of America, commissioned in 1997.

How much electricity does NSB Atqasuk Utility generate?

NSB Atqasuk Utility generates about 3 GWh of electricity per year.

How many homes can NSB Atqasuk Utility power?

Its output is enough to supply roughly 800 homes.

Who operates NSB Atqasuk Utility?

NSB Atqasuk Utility is operated by North Slope Borough Power & Light.

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