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ESS Battery Microgrid

Storage power plant in Alaska, United States of America. Approximate location 57.7992, -152.4042.

StorageAlaskaUnited States of America

ESS Battery Microgrid is a 3 MW storage power plant in Alaska, United States of America. It is operated by Kodiak Electric Assn Inc. Based on reported annual generation of 0 GWh, it can supply roughly -57 homes. It ranks #7048 of 9,833 United States of America power plants by installed capacity. Commissioned in 2012, it is around 14 years old — relatively modern. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

3MW installed capacity
0GWh reported / yr
-57homes powered
2012commissioned (~14 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0058405.

Reported generation trend

2016: 0 GWh20162017: 0 GWh20172018: 0 GWh20182019: 0 GWh20190 GWh

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

Owner

Operated by Kodiak Electric Assn Inc. All plants by this company →

Local climate & thermal context

This storage plant stores and releases electricity (pumped-hydro or batteries) to balance the grid. It sits in a subarctic (boreal) climate (Köppen Dfc) — Northern Hemisphere, latitude 57.8°N — which shapes how much energy it can produce and how its output varies through the year.

5.9°Cannual mean temp
4,422heating degree-days (base 18°C)
0cooling degree-days (base 18°C)
25 melevation

Monthly mean temperature

J: 2 °CJF: 2 °CFM: 2 °CMA: 4 °CAM: 6 °CMJ: 9 °CJJ: 12 °CJA: 12 °CAS: 10 °CSO: 6 °CON: 4 °CND: 2 °CD12 °C

Heating degree-days here run 80% 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: 90/100 — this site sits in the top third of the power plants we cover by heating degree-days.

In colder climates, uninsulated hot equipment (boilers, turbines, valves, steam lines) loses proportionally more heat to ambient air — exactly the loss Inzonex modular insulation is designed to cut.

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.

How it compares & nearby plants

The #57 largest storage power plant of 104 in United States of America by capacity.

United States of America has 104 storage power plants in this dataset, together about 816 MW of capacity.

Nearby power plants

Location

Coordinates 57.7992, -152.4042 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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