Costa Rica has run on 100% renewable energy for 300 days

Re:Costa Rica has run on 100% renewable energy for 300 days by jddj on Friday July 12, 2019 @04:28PM (#20424190)

Pumped hydro actually emits significant levels of greenhouse gases (methane rather than CO2, though).

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Re:Costa Rica has run on 100% renewable energy for 300 days by throwaway5752 on Saturday July 13, 2019 @11:11AM (#20428412)

All hydro does, I don't know about the effect per kWH generated vs other fuel sources, though.

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