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Coolkeeragh OCGT

Gas power plant in Northern Ireland, United Kingdom. Approximate location 55.0437, -7.2487.

GasNorthern IrelandUnited Kingdom

Coolkeeragh OCGT is a 53 MW gas power plant in Northern Ireland, United Kingdom. It is operated by Coolkeeragh ESB Ltd. Based on reported annual generation of 1,200 GWh, it can supply roughly 342,828 homes. It ranks #171 of 2,751 United Kingdom power plants by installed capacity. In context, gas supplies about 31.1% of United Kingdom's electricity; the national grid averages 217 gCO₂/kWh (64.4% low-carbon) (2025).

53MW installed capacity
1,200GWh reported / yr
342,828homes powered

Plant data: WRI Global Power Plant Database (CC BY 4.0), id GBR1000076.

~479,960 t CO₂/yr (estimated) — in everyday terms

This facility's annual emissions are roughly equivalent to:

111,879passenger cars driven for a year
62,593homes' yearly energy use
7,999,333tree 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: 1,264 GWh20152016: 1,200 GWh20161k GWh

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

Owner

Operated by Coolkeeragh ESB Ltd. 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 55.0°N — which shapes how much energy it can produce and how its output varies through the year.

8.7°Cannual mean temp
3,398heating degree-days (base 18°C)
0cooling degree-days (base 18°C)
196 melevation

Monthly mean temperature

J: 4 °CJF: 4 °CFM: 6 °CMA: 7 °CAM: 10 °CMJ: 12 °CJJ: 14 °CJA: 14 °CAS: 12 °CSO: 9 °CON: 6 °CND: 5 °CD14 °C

Heating degree-days here run 38% 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: 73/100 — 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.

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 #47 largest gas power plant of 55 in United Kingdom by capacity.

United Kingdom has 55 gas power plants in this dataset, together about 29,916 MW of capacity.

Nearby power plants

Location

Coordinates 55.0437, -7.2487 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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