Renewable Energy Surges: Solar and Wind Meet 99% of Global Electricity Demand Growth in 2025
In 2025, solar and wind energy accounted for 99% of global electricity demand growth, with renewables increasing by 887 TWh. This shift is crucial for reducing reliance on fossil fuels and enhancing energy security amid geopolitical tensions.
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In 2025, renewable energy sources expanded by 887 terawatt-hours (TWh), comprising 99% of the increase in global electricity demand, which grew by 849 TWh. Solar generation alone contributed 636 TWh, accounting for 75% of the net demand increase, while wind energy added 205 TWh with a record 165 gigawatts (GW) of new installations.
Battery storage capacity rose by 46% to an estimated 247 gigawatt-hours (GWh), enabling solar power to be utilized beyond daylight hours. The cost of battery storage fell to $70/kWh, enhancing the viability of dispatchable solar energy. The combination of solar and wind now represents over half of global renewable generation, marking a pivotal shift in the energy landscape and reducing fossil fuel dependency.
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