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Solar power overtakes nuclear as global electricity source
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Fusion42 · 27 October 2026 · Fusion42 review
Solar power exceeded nuclear in global electricity generation in 2025, growing to about 10% of world power by 2026 due to cheaper panels, large-scale Chinese manufacturing, and improved battery storage. The main constraints have shifted to grid capacity and storage rather than panel costs or supply.
This Wire brief sits within Fusion42's coverage of Clean Energy and Energy Storage.
◆ ◆ The Wire takeaway
Solar power has moved beyond cost barriers and now pushes grid and storage limits, so energy startups focused on batteries or grid tech have a clearer opening this year. Falling panel prices no longer hold back your expansion, but utility connections and storage remain your biggest hurdles.
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1 source · 27 Oct 2026
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