Record No.
MRB-2026-006310
Most Consecutive Days Running on 100% Renewable Electricity
Environment & Sustainability
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Record Holder
Institutional / General Record
Costa Rica
Category
Environment & Sustainability
Country
Costa Rica
(
CR )
Achievement Date
—
Verification Status
Reference
Record Description
Costa Rica's national electricity grid ran for a record 300 consecutive days in 2017 on renewable sources alone, mainly hydro, wind, and geothermal power, one of the longest such streaks documented for any nation.
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