Fig. 2From: A comparison of clustering methods for the spatial reduction of renewable electricity optimisation models of EuropeExamples of the different features for solar (orange) and wind (blue). The left column displays the annual capacity factors, the right column a snapshot at 8 o’clock in the morning on the \(1^\mathrm {st}\) of January 2013. Both are displayed for the full resolution model of 2435 nodes, recognisable by the white boundaries of the voronoi regionsBack to article page