Want to use clean energy? This cooperative from Madrid may have the answer

        April 24, 2019 El País | Spain | renewables: solar

A Madrid clean-energy cooperative, La Corriente, provides electricity from only wind, solar, and hydraulic sources, more than halving monthly bills for some of its 310 members. And since a new April law, excess home-generated power can also be sold back to the grid. Even in apartments, rooftop solar is now powering elevators and communal lighting.