Cabeço da Rainha is a 22 MW wind power plant in Castelo Branco, Portugal. Based on its capacity (estimated), it can supply roughly 18,891 homes (estimated). It ranks #95 of 469 Portugal power plants by installed capacity. Commissioned in 2000, it is around 26 years old — long-established. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, wind supplies about 26.7% of Portugal's electricity; the national grid averages 128 gCO₂/kWh (81.0% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1023308.
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
This wind plant converts the kinetic energy of wind into electricity through turbine rotors. It sits in a hot-summer Mediterranean climate (Köppen Csa) — Northern Hemisphere, latitude 39.9°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 45% below 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: 31/100 — this site sits in the bottom 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.
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.
The #56 largest wind power plant of 224 in Portugal by capacity.
Portugal has 224 wind power plants in this dataset, together about 4,942 MW of capacity.
Coordinates 39.8555, -7.9142 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
