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Global clean energy generation exceeded electricity demand growth in 2025, with renewables accounting for over one-third of total power supply for the first time, according to Ember. Clean generation rose by 887 terawatt hours against demand growth of 849 terawatt hours, led by strong solar expansion in China and India. Solar alone met nearly three-quarters of incremental demand, while combined solar and wind generation accounted for almost all of it. Coal’s share fell below one-third of global generation, and fossil fuel output declined marginally. The report also highlighted rapid growth in battery storage, alongside declining costs, enabling better utilisation of solar energy. The shift indicates a structural transition in global power systems, with renewables increasingly meeting incremental demand.
Global renewable energy generation surpassed electricity demand growth in 2025, marking a shift in the structure of the global power sector, according to a report released by energy think tank Ember. The analysis, published earlier this week, showed that clean power generation increased by 887 terawatt hours during the year, exceeding the global rise in electricity demand, which stood at 849 terawatt hours. Advertisement
The report, based on electricity data from 215 countries and detailed analysis of 91 markets representing 93% of global demand, indicated that renewables accounted for more than one-third of the world’s electricity mix for the first time. Total renewable generation, including solar, wind, hydropower and other sources, rose to 10,730 terawatt hours, reflecting a 33.8% share.
Solar energy emerged as the primary driver of this growth, recording a 30% increase during the year and meeting nearly three-quarters of the incremental rise in electricity demand. When combined with wind energy, these two sources accounted for almost the entire net increase in demand. Solar generation also surpassed wind globally for the first time and is expected to overtake nuclear power in the near term.
The expansion of renewables coincided with a stagnation in fossil fuel generation, which declined marginally by 0.2%, or 38 terawatt hours, during the year. Coal’s share in global electricity generation fell below one-third, marking another structural shift in the energy mix. The findings indicate a departure from historical trends, where increases in electricity demand were typically met through higher fossil fuel generation.
Battery storage capacity also expanded significantly, supported by a sharp decline in costs. Storage deployment increased by 46% during the year, while battery costs fell by 45%. This enabled improved utilisation of solar energy, with an estimated 14% of additional solar generation being shifted from peak daylight hours to other periods, addressing intermittency challenges.
Regionally, China and India recorded declines in fossil fuel-based generation for the first time in the current century, reflecting a transition towards diversified energy sources. China’s fossil generation fell by 0.9%, while India recorded a decline of 3.3%, with both markets seeing record growth in solar and wind output. China accounted for more than half of global solar capacity additions and contributed significantly to wind generation growth.
In contrast, the United States and Europe continued to add renewable capacity alongside modest increases in fossil fuel generation. Despite geopolitical challenges and policy shifts in certain markets, the report noted that the global transition towards clean energy remains on track.
Industry experts indicated that the ability of renewables to meet incremental demand represents a significant structural change in the energy sector. The focus is now expected to shift towards achieving a sustained decline in fossil fuel usage, supported by continued investment in renewable capacity and storage infrastructure.
Source - PTI
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