The record number of days have already topped the Central American country's 2015 and 2016 runs of 299 days and 271 days, respectively.
According to the Costa Rican Institute of Electricity (ICE), the Central American country has run on 100 percent power generated from renewable energy for 300 days.
Currently, Costa Rica is receiving 99.62 percent of its electricity from five renewable energy sources, the highest percentage for the country since 1987.
The breakdown is 78.26 percent of electricity from hydropower, 10.29 percent from wind, 10.23 percent from geothermal energy and 0.84 percent from biomass and solar.
Additionally, the statistics provided by the National Center for Energy Control projects that Costa Rica could surpass the 300 day-mark before 2017 closes.
The record-number 300 days have already topped the Central American country's 2015 and 2016 runs of 299 days and 271 days, respectively.
Costa Rica has also set for itself an ambitious 2021 goal of becoming carbon neutral as well as totally eliminating single-use plastics – which is banned. The country has also placed significant emphasis on increasing its forest cover.
ICE disclosed that 2017 is on track to be the biggest-ever year for wind production. There are 16 wind farms which produce 1,014.82 gigawatt hours.
Costa Rica experiences large volumes of rainfall annually; this drives its hydropower network.
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