Astoria (Otter Tail) power station — United States of America
Gas power plant in South Dakota, United States of America. Approximate location 44.574965, -96.55942.
GasSouth DakotaUnited States of AmericaOCGT
Astoria (Otter Tail) power station is a 349 MW gas power station in South Dakota, United States of America. It is operated by Otter Tail Power Co [100%]. Based on its capacity (estimated), it can supply roughly 393k homes (estimated). It ranks #1472 of 10,884 United States of America power plants by installed capacity. Commissioned in 2021, it is around 5 years old — recently built. In context, gas supplies about 40.0% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id GOGPT_astoriaottertail_united.
Data status
Known data
Calculated from dataset
Not available
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
Data provenance
Source of the capacity and fuel values:
capacity: GEM · 2026 · L100000402392; fuel: GEM GOGPT
In context: how this plant compares
At 349 MW, Astoria (Otter Tail) power station is well above the median gas plant in United States of America (121.2 MW). Technically it is described as OCGT. Gas plants burn natural gas either in open-cycle turbines for fast peaking, or in combined-cycle units that recover exhaust heat in an HRSG to reach roughly 55–62% efficiency — the cleanest-burning fossil option.
Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.
Key facts
- Share of United States of America gas capacity
- less than 0.1% of 789,950 MW across 2,165 plants in this dataset
- Age among peers
- 1,825 of 1,973 dated gas plants in United States of America are older
Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).
Capacity vs largest gas plants in United States of America
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Owner
Operated by Otter Tail Power Co [100%].
Climate zone & how it works
This gas plant burns natural gas in a turbine — often in a combined-cycle setup — to generate electricity. It sits in a hot-summer humid continental climate (Köppen Dfa) — Northern Hemisphere, latitude 44.6°N — which shapes how much energy it can produce and how its output varies through the year.
Climate zone & typical temperatures: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).
Site climate & environmental severity
This site sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with thermal cycling the leading environmental stress.
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 #733 largest gas power plant of 2165 in United States of America by capacity.
United States of America has 2165 gas power plants in this dataset, together about 789,950 MW of capacity.
Nearby power plants
- MRES Toronto Power Plant · Gas · 145 MW · South Dakota
- Buffalo Ridge II LLC · Wind · 210 MW · South Dakota
- Coyote Ridge · Wind · 97.4 MW · South Dakota
- Buffalo Ridge I LLC · Wind · 50.4 MW · Minnesota
- Sun River LLC · Wind · 1.9 MW · Minnesota
- Julia Hills LLC · Wind · 1.9 MW · Minnesota
Location
Coordinates 44.574965, -96.55942 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Frequently asked questions
What type of power plant is Astoria (Otter Tail) power station?
Astoria (Otter Tail) power station is a 349 MW gas power plant in South Dakota, United States of America, commissioned in 2021.
Who operates Astoria (Otter Tail) power station?
Astoria (Otter Tail) power station is operated by Otter Tail Power Co [100%].