High Bridge — United States of America

Gas power plant in Minnesota, United States of America. Approximate location 44.9314, -93.1117.

GasMinnesotaUnited States of AmericaCCGT · HRSG

High Bridge is a 644 MW gas power station in Minnesota, United States of America. It is operated by Northern States Power Co - Minnesota. Based on reported annual generation of 3,497 GWh, it can supply roughly 999k homes. It ranks #985 of 10,884 United States of America power plants by installed capacity. Commissioned in 2008, it is around 18 years old — relatively modern. 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).

644MW installed capacity
1HRSG unit(s)
3,497GWh reported / yr
999,142homes powered
2008commissioned (~18 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0001912.

Data status

Known data

FacilityHigh Bridge WRI
CountryUnited States of America · Minnesota WRI
Coordinates44.9314, -93.1117 WRI
FuelGas WRI
MW installed capacity644 MW Wikidata P2109; installed/nameplate capacity
Verification noteQuality label backfilled from existing source-backed capacity provenance on 2026-07-05; capacity value was not changed. source-verified
OwnerNorthern States Power Co - Minnesota WRI
Commissioned2008 WRI
TechnologyCCGT · HRSG WRI
GWh reported / yr3,497 GWh·a⁻¹ WRI

Calculated from dataset

CO₂ emissions1,398,800 t CO₂·a⁻¹ calculated
Capacity rank in country#985 / 10884 calculated
Fuel-specific rank in country#449 / 2165 calculated
Capacity vs country/fuel peers5.31× · 121.2 MW · n=2165 calculated
Homes-powered equivalent999,142 calculated from reported generation
Climate7.5°C · HDD 4,135 derived from coordinates
Environmental severityC2 · 34/100 derived from coordinates

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

Data provenance

Source of the capacity and fuel values:

capacity: Wikidata P2109; fuel: WRI GPPD

In context: how this plant compares

At 644 MW, High Bridge is well above the median gas plant in United States of America (121.2 MW). Technically it is described as CCGT; combined-cycle with a heat-recovery steam generator (HRSG). 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

Load factor
62%, from 3,497 GWh of reported generation; the median for 1622 gas plants in United States of America that report generation is 26%
Generation trend
1,885 GWh in 2013 and 3,497 GWh in 2019 (+86%)
Highest and lowest year
2019: 3,497 GWh; 2014: 1,017 GWh
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
1,407 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)).

Reported generation trend

2013: 1,885 GWh20132014: 1,017 GWh20142015: 1,939 GWh20152016: 2,126 GWh20162017: 1,984 GWh20172018: 2,295 GWh20182019: 3,497 GWh20193k GWh

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

Local climate & thermal context

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 44.9°N — which shapes how much energy it can produce and how its output varies through the year.

7.5°Cannual mean temp
4,135heating degree-days (base 18°C)
331cooling degree-days (base 18°C)
262 melevation

Monthly mean temperature

J: -11 °CJF: -7 °CFM: 0 °CMA: 8 °CAM: 15 °CMJ: 20 °CJJ: 23 °CJA: 21 °CAS: 16 °CSO: 10 °CON: 0 °CND: -7 °CD23 °C

Heating degree-days here run 68% 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: 86/100 — this site sits in the top third of the power plants we cover by heating degree-days.

A gas turbine here also runs ~0% below its ISO (15°C) rating at this annual mean (typical CCGT curve, estimate).

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

This site sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with thermal cycling the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
34/100environmental-severity index
33.5°Cseasonal temperature swing
314 kmdistance to coast

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 #449 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

Location

Coordinates 44.9314, -93.1117 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is High Bridge?

High Bridge is a 644 MW gas power plant in Minnesota, United States of America, commissioned in 2008.

How much electricity does High Bridge generate?

High Bridge generates about 3,497 GWh of electricity per year.

Who operates High Bridge?

High Bridge is operated by Northern States Power Co - Minnesota.

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