Energy production and water savings from floating solar photovoltaics on global reservoirs
Yubin Jin, Shijie Hu, Alan D. Ziegler, Luke Gibson, J. Elliott Campbell · Nature Sustainability (2023)
Key finding (our summary)
A global simulation across more than 114,000 reservoirs estimated that floating photovoltaics at 30% surface coverage could generate on the order of 9,400 TWh/yr of electricity while conserving roughly 106 km³/yr of water through reduced evaporation — a scale large enough to meet the electricity needs of thousands of cities. A landmark quantification of FPV's combined water-and-energy potential.
The headline global estimate for floating solar: very large clean-energy output paired with continental-scale evaporation savings.
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