Wind power plant in Northern Ireland, United Kingdom. Approximate location 54.5471, -7.6956.
WindNorthern IrelandUnited KingdomOnshore
Tappaghan Extension is a 9 MW wind power plant in Northern Ireland, United Kingdom. It is operated by Greencoat UK Wind. Based on its capacity (estimated), it can supply roughly 7.7k homes (estimated). It ranks #1050 of 2,860 United Kingdom power plants by installed capacity. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, wind supplies about 29.4% of United Kingdom's electricity; the national grid averages 217 gCO₂/kWh (64.4% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id GBR0004688.
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
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 tracker 2026 (location L100000911435); fuel: WRI source-record fuel
At 9 MW, Tappaghan Extension is below the median wind plant in United Kingdom (10 MW). Technically it is described as Onshore. Wind turbines convert moving air into electricity; output is variable and site-dependent, and modern turbines deliver some of the lowest-cost new generation on many grids.
Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Operated by Greencoat UK Wind. All plants by this company →
This wind plant converts the kinetic energy of wind into electricity through turbine rotors. It sits in a temperate oceanic climate (Köppen Cfb) — Northern Hemisphere, latitude 54.5°N — which shapes how much energy it can produce and how its output varies through the year.
Monthly mean temperature
Heating degree-days here run 29% 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: 67/100 — this site sits in the top third of the power plants we cover by heating degree-days.
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.
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 moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.
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.
The #430 largest wind power plant of 779 in United Kingdom by capacity.
United Kingdom has 779 wind power plants in this dataset, together about 23,763 MW of capacity.
Coordinates 54.5471, -7.6956 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Tappaghan Extension is a 9 MW source-record wind power plant in Northern Ireland, United Kingdom.
Its output is enough to supply roughly 7,658 homes (estimated).
Tappaghan Extension is operated by Greencoat UK Wind.
