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China's Solar Capacity Tops Coal

The milestone marks a structural turning point in China’s power fleet because solar now faces lower use rates and grid bottlenecks that limit how much renewable electricity reaches consumers.

Overview

  • By the end of July, China’s National Energy Administration reported installed photovoltaic capacity at about 1,286–1,288 gigawatts, slightly higher than coal capacity and representing roughly 31.5% of total nameplate capacity.
  • That capacity lead is symbolic since solar generated only about 13% of electricity through July while coal still supplied a larger share of actual power due to higher, more consistent plant utilization.
  • Policy changes in 2026 that ended guaranteed revenue for new wind and solar projects slowed the pace of additions and shifted investment toward market competition.
  • Operational constraints — high curtailment of wind and solar, transmission bottlenecks, and long‑term coal dispatch contracts — are the main barriers to turning capacity gains into delivered clean power.
  • China’s vast solar manufacturing base and planned multi‑hundred‑billion‑dollar investment in grids, storage and transmission mean the country can lower global module costs and shape how quickly coal use falls, but success hinges on integrating renewables into the grid.