Global Energy Review 2026

International Energy Agency

Research

48 Pages

International Energy Agency reviews global energy trends in 2025, showing a system increasingly driven by electricity demand and clean energy growth. Solar led energy supply growth for the first time, yet fossil fuels still contributed meaningfully, highlighting a transition that is uneven across regions and sectors.

Key Takeaways

Electricity Demand Surge: Global electricity demand rose about 3%, more than double overall energy demand growth of 1.3% in 2025.
Solar Led Growth: Solar PV contributed roughly 27% of global energy demand growth, the highest share of any energy source.
Emissions Growth Slowed: Energy-related CO2 emissions increased about 0.4% in 2025, a slower pace than prior years.
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