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Solar, wind capacity growth slowed last year, analysis shows

Wind and solar project growth slowed to 11% in 2025, down from 22% the prior year, raising doubts about meeting the 2030 renewable energy tripling pledge.

  • Analysis released Tuesday showed planned or under-construction solar and wind projects slowed last year, raising doubts about the 2030 goal, GEM found, with some projects delayed or on hold.
  • Against a backdrop of policy shifts, GEM found delays and political barriers slowed deployment, with almost 40 percent of planned wind projects starting late, on hold, or scrapped, according to Diren Kocakusak.
  • China led global growth, expanding renewable capacity by 1.5 terawatts in 2025, while more than 3.5 terawatts of projects remain without confirmed start dates.
  • Despite the projected shortfall, analysts note `enough time`, as all announced projects proceed, the world still falls short of the 2030 tripling goal, but unannounced solar projects could help.
  • Despite new measures in Japan and Britain, GEM said `Wind developers experienced political barriers and a streak of failed wind power auctions in wealthy nations`, highlighting political obstacles.
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Solar, wind capacity growth slowed last year, analysis shows

Planned or under-construction solar and wind projects slowed last year, analysis showed Tuesday, casting doubts on whether countries will hit a goal of tripling renewable capacity by decade-end.

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KULR-TV broke the news in Billings, United States on Tuesday, February 10, 2026.
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