Fact-check: “Solar power is now cheaper than coal in most countries”
Verdict: Mostly True (72% confidence)
The evidence broadly supports this claim for utility-scale solar vs. new coal. The IEA confirmed in 2021 that solar had become the cheapest electricity in history, cheaper than coal and gas in most major countries. A 2025 UN report found solar 41% cheaper than fossil fuels overall, and research from the University of Surrey (October 2025) confirmed solar is cheaper than coal in the world's sunniest regions. The qualification is that 'most countries' overstates the universality: solar's cost adv…
This fact-check was conducted by SpinkillerAI, a non-partisan AI-powered accountability platform.
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