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Diemen 33

Gas power plant in North Holland, Netherlands. Approximate location 52.3389, 5.0213.

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Diemen 33 is a 684 MW gas power station in North Holland, Netherlands. It is operated by Vattenfall. Based on reported annual generation of 2,631 GWh, it can supply roughly 751,714 homes. It ranks #12 of 106 Netherlands power plants by installed capacity. Commissioned in 1995, it is around 31 years old — long-established. In context, gas supplies about 34.9% of Netherlands's electricity; the national grid averages 254 gCO₂/kWh (54.2% low-carbon) (2025).

684MW installed capacity
2,631GWh reported / yr
751,714homes powered
1995commissioned (~31 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1019310.

~1,052,400 t CO₂/yr (estimated) — in everyday terms

This facility's annual emissions are roughly equivalent to:

245,315passenger cars driven for a year
137,246homes' yearly energy use
17,540,000tree seedlings grown 10 years to absorb it

Estimated, not measured: from reported annual generation × a typical gas emission factor (~400 g CO₂/kWh, IPCC AR5 / US EIA). Actual emissions depend on plant efficiency and running hours.Equivalencies via US EPA Greenhouse Gas Equivalencies.

Reported generation trend

2015: 2,277 GWh20152016: 2,409 GWh20162017: 2,631 GWh20173k GWh

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

Owner

Operated by Vattenfall. All plants by this company →

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 temperate oceanic climate (Köppen Cfb) — Northern Hemisphere, latitude 52.3°N — which shapes how much energy it can produce and how its output varies through the year.

9.5°Cannual mean temp
3,083heating degree-days (base 18°C)
0cooling degree-days (base 18°C)
0 melevation

Monthly mean temperature

J: 3 °CJF: 3 °CFM: 5 °CMA: 8 °CAM: 12 °CMJ: 15 °CJJ: 17 °CJA: 17 °CAS: 14 °CSO: 10 °CON: 6 °CND: 4 °CD17 °C

Heating degree-days here run 25% 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: 65/100 — this site sits in the mid 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.

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.

How it compares & nearby plants

The #7 largest gas power plant of 23 in Netherlands by capacity.

Netherlands has 23 gas power plants in this dataset, together about 11,162 MW of capacity.

Nearby power plants

Location

Coordinates 52.3389, 5.0213 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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