Delta Power

Oil power plant in Alaska, United States of America. Approximate location 64.0281, -145.7194.

OilAlaskaUnited States of America

Delta Power is a 23 MW oil power plant in Alaska, United States of America. It is operated by Golden Valley Elec Assn Inc. Based on its capacity (estimated), it can supply roughly 17k homes (estimated). It ranks #4561 of 10,938 United States of America power plants by installed capacity. Commissioned in 1976, it is around 50 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).

23Source-backed capacity
17,344homes powered (est.)
1976commissioned (~50 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0056325.

Data status

Known data

FacilityDelta Power WRI
CountryUnited States of America · Alaska WRI
Coordinates64.0281, -145.7194 WRI
FuelOil WRI
MW installed capacity23 MW WRI source record; scope not independently normalised
OwnerGolden Valley Elec Assn Inc WRI
Commissioned1976 WRI

Calculated from dataset

CO₂ emissions45,530 t CO₂/yr calculated
Capacity rank in country#4561 of 10938 calculated
Fuel-specific rank in country#191 of 902 calculated
Capacity vs country/fuel peers3.21× · 7 MW median · 902 peers calculated
Homes-powered equivalent17,344 calculated
Climate-3.1°C · HDD 7,669 derived from coordinates
Environmental severityC1 · 30/100 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 23 MW, Delta Power is well above 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: 0 GWh20132014: 0 GWh20142015: 0 GWh20152016: 0 GWh20162017: 0 GWh20172018: 0 GWh20182019: 0 GWh20190 GWh

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

Owner

Operated by Golden Valley Elec Assn Inc.

Local climate & thermal context

This oil plant burns oil or diesel to drive turbines or reciprocating engines. It sits in a subarctic (boreal) climate (Köppen Dfc) — Northern Hemisphere, latitude 64.0°N — which shapes how much energy it can produce and how its output varies through the year.

-3.1°Cannual mean temp
7,669heating degree-days (base 18°C)
0cooling degree-days (base 18°C)
454 melevation

Monthly mean temperature

J: -20 °CJF: -17 °CFM: -11 °CMA: -2 °CAM: 7 °CMJ: 13 °CJJ: 15 °CJA: 12 °CAS: 6 °CSO: -4 °CON: -15 °CND: -19 °CD15 °C

Heating degree-days here run 212% 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)
30/100environmental-severity index
35.4°Cseasonal temperature swing
420 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 #191 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 64.0281, -145.7194 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Delta Power?

Delta Power is a 23 MW source-record oil power plant in Alaska, United States of America, commissioned in 1976.

How many homes can Delta Power power?

Its output is enough to supply roughly 17,344 homes (estimated).

Who operates Delta Power?

Delta Power is operated by Golden Valley Elec Assn Inc.

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