China's Carbon Emissions Flatline for 21 Months Amid Renewable Energy Surge

Graph showing China's carbon emissions plateau over 21 months with renewable energy growth metrics

China's carbon emissions have flatlined for 21 months, raising questions about whether the world's largest emitter has reached a climate turning point ahead of schedule.

According to the Centre for Research on Energy and Clean Air (CREA), CO2 emissions fell 1% in Q4 2025 and 0.3% annually, marking the longest period of plateaued or declining emissions without economic slowdown on record. Sectoral analysis reveals mixed trends: transport (-3%), power (-1.5%), and building materials (-7%) saw declines, while the chemicals industry rose 12%.

Renewable energy output surged 43% for solar, 14% for wind, and 8% for nuclear, collectively adding ~530 TWh—nearly matching the 520 TWh increase in power demand. Energy storage capacity expanded by 75 GW, exceeding the 55 GW demand growth.

CREA notes that Chinese five-year planning references a potential coal consumption plateau by 2027, which could delay absolute emission cuts until after 2030. Carbon intensity (emissions per unit GDP) fell 12% from 2020-2025, but requires a 23% reduction by 2030 to align with Paris Agreement goals.

Lauri Myllyvirta, CREA co-founder, stated, "The numbers imply... China now needs to cut carbon intensity by around 23% over the next five years." This analysis separates CREA's findings from Chinese government statements about future planning, emphasizing the 2027 coal plateau as a key uncertainty.

The data does not confirm a peak in emissions but highlights the interplay between renewable growth and sectoral shifts.

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Report: Carbonbrief