%0 Journal Article %A Thomas Ashley %A Emilio Carrizosa %A Enrique Fernández-Cara %T An extremal problem with applications to renewable energy production %J Mathematical modelling of natural phenomena %D 2021 %V 16 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/mmnp/2021029/ %R 10.1051/mmnp/2021029 %G en %F MMNP_2021_16_a52