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Akzo Mariager power station

Gas power plant in Nordjylland, Denmark. Approximate location 56.681337, 10.042186.

GasNordjyllandDenmarkCCGT · HRSG

Akzo Mariager power station is a 25 MW gas power plant in Nordjylland, Denmark. It is operated by Maricogen A/S [100%]. Based on its capacity (estimated), it can supply roughly 28k homes (estimated). It ranks #32 of 57 Denmark power plants by installed capacity. Commissioned in 1999, it is around 27 years old — long-established. In context, gas supplies about 2.4% of Denmark's electricity; the national grid averages 114 gCO₂/kWh (91.2% low-carbon) (2025).

25MW installed capacity
1HRSG unit(s)
28,157homes powered (est.)
1999commissioned (~27 yrs)

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

Data status

Known data

FacilityAkzo Mariager power station GEM-GOGPT
CountryDenmark · Nordjylland GEM-GOGPT
Coordinates56.681337, 10.042186 GEM-GOGPT
FuelGas GEM-GOGPT
MW installed capacity25 MW GEM · 2026 · L100000407843; operating plant capacity
OwnerMaricogen A/S [100%] GEM-GOGPT
Commissioned1999 GEM-GOGPT
TechnologyCCGT · HRSG GEM-GOGPT

Calculated from dataset

CO₂ emissions39,420 t CO₂·a⁻¹ calculated
Capacity rank in country#32 / 57 calculated
Fuel-specific rank in country#10 / 12 calculated
Capacity vs country/fuel peers0.45× · 55 MW · n=12 calculated
Homes-powered equivalent28,157 calculated
Environmental severityC4 · 31/100 derived from coordinates

Not available

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: GEM · 2026 · L100000407843; fuel: GEM GOGPT

In context: how this plant compares

At 25 MW, Akzo Mariager power station is below the median gas plant in Denmark (55 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.

Capacity vs largest gas plants in Denmark

Skaerbaekvaerket: 392 MW392Skaerbaekv…H.C. Ørsted Works power station: 273 MW273H.C. Ørste…Silkeborgvaerket power station: 108 MW108Silkeborgv…H.C. Ørsted: 98 MW98H.C. ØrstedSvanemølle: 81 MW81SvanemølleViborg power station: 55 MW55Viborg pow…Sønderborg Kraftvarmeværk CHP power station: 52 MW52Sønderborg…DTU Cogeneration power station: 38 MW38DTU Cogene…

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Maricogen A/S [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 temperate oceanic climate (Köppen Cfb) — Northern Hemisphere, latitude 56.7°N — which shapes how much energy it can produce and how its output varies through the year.

~11°Ctypical annual mean
~18°Ctypical warm-season mean
Temperate oceanic: long cold winters and short, cool summers

Climate zone & typical temperatures: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

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 corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
31/100environmental-severity index
16.2°Cseasonal temperature swing
40 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 #10 largest gas power plant of 12 in Denmark by capacity.

Denmark has 12 gas power plants in this dataset, together about 1,206 MW of capacity.

Nearby power plants

Location

Coordinates 56.681337, 10.042186 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Akzo Mariager power station?

Akzo Mariager power station is a 25 MW gas power plant in Nordjylland, Denmark, commissioned in 1999.

How many homes can Akzo Mariager power station power?

Its output is enough to supply roughly 28,157 homes (estimated).

Who operates Akzo Mariager power station?

Akzo Mariager power station is operated by Maricogen A/S [100%].

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