Energy Think Tank
Appears in 2 stories · Last updated Oct 31, 2026
Key source for real-time electricity generation data
In 2004, the world installed one gigawatt (GW) of solar power in a year. By 2025, that amount went online every single day. Global renewable capacity passed 5,000 GW by year-end, and Science Magazine named the surge its 2025 Breakthrough of the Year. Coal still generated 34% of global electricity in 2025, the International Energy Agency said; renewables accounted for 49.5% of installed capacity., and U.S. renewables supplied a record 25.7% of electricity in 2025.
Updated Oct 31
Published its April 2026 Global Electricity Review showing clean power met all global demand growth in 2025
Renewables drew level with coal globally in 2025 and are now overtaking it, according to the International Energy Agency's February 2026 Electricity report. Renewables and nuclear combined are forecast to reach 50% of global electricity by 2030, up from 42% today.
Updated Oct 23
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