Renewable energy in Costa Rica supplied about 98.1% of the electrical energy output for the entire nation and imported 807000 MWh of electricity (covering 8% of its annual consumption needs) in 2016 Fossil fuel energy consumption (% of total energy) in Costa Rica was 49.48 as of 2014,with demand for oil increasing in recent years In 2014, 99% of its electrical energy was derived from renewable energy sources, about 80% of which from hydroelectric power. For the first 75 days of 2015, 100% of its electrical energy was derived from renewable energy sources and in mid 2016 that feat was accomplished for 110 consecutive days despite suboptimal weather conditions.