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Solar Overtakes Coal as China’s Largest Power Capacity Source

The milestone reflects heavy investment in solar, with major grid upgrades and clearer policy signals needed to turn capacity into steady generation.

Overview

  • By the end of July 2026 China’s installed solar capacity reached 1,286 gigawatts, making solar the single largest source of generation capacity in the country according to National Energy Administration figures.
  • Official data show renewables provided about 41.2% of electricity in the first half of 2026 while coal’s share of generation fell below 50% for the first time on record.
  • Policy changes that ended guaranteed revenue for wind and solar have slowed the pace of new installations, with 86 GW added in the first seven months of 2026 compared with a burst of additions in 2025.
  • Grid constraints and rising curtailment mean much of the new solar capacity is not always converted into usable power, and coal remains essential for on-demand reliability for industry and peak loads.
  • China still dominates the solar supply chain, produces roughly 80% of world modules, and plans roughly two trillion yuan of sector investment over the next five years, making grid upgrades and policy clarity the key next tests.