Costa Rica powered by renewable electricity for 76 consecutive days

Costa Rica ran entirely on renewable electricity for at least 76 consecutive days between June and August in 2016.  Even in 2015, the small country obtained 99% of its electricity from renewable sources. Costa Rica benefits from its geographic location: having a high concentration of rivers per capita, along with an undulating topography allowing it to source 80% of the country’s electricity from hydropower.

Along with hydropower, Costa Rica sources its electricity from geothe...