Illustration for the question “Which source provides the largest share of the world’s renewable electricity?”

Nature

Which source provides the largest share of the world’s renewable electricity?

Correct answer Hydropower

Fact

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Hydropower uses the flow or fall of water to drive turbines connected to generators. Large dams, run-of-river installations and certain small power plants provide controllable or relatively regular production depending on the site. Globally, hydropower remains the leading source of renewable electricity, even if wind and solar power are progressing rapidly. This position concerns electricity production. When we consider all energy uses, including heat and cooking, traditional and modern biomass also represents a considerable share of renewables. The question must therefore specify “electricity” to avoid two valid interpretations.

Content last updated · August 23, 2026

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