The IRENA renewable energy capacity 2025 report has shown that global renewable power continued its rapid rise last year, with total installed capacity reaching 5,149 gigawatts after the addition of a record 692 gigawatts.
According to the latest Renewable Capacity Statistics 2026 released by the International Renewable Energy Agency, the increase represents a 15.5 percent annual growth rate and confirms that renewables remained the dominant force in global power expansion.
The report found that renewable energy accounted for 85.6 percent of all new power capacity added worldwide in 2025, while non-renewable sources contributed only a much smaller share.
Energy security concerns boost momentum
The strong performance comes at a time of renewed concern over global energy security, with geopolitical tensions in the Middle East once again exposing the volatility of fossil fuel markets.
Commenting on the findings, IRENA Director-General Francesco La Camera said renewable energy is proving its resilience under pressure.
“In the midst of uncertain time, renewable energy remains consistent and steadfast in its expansion.” - IRENA Director-General
He added that the data makes “a strong case for renewable energy resilience with brutal clarity,” arguing that more decentralised and diversified energy systems are better able to withstand international shocks.
The report noted that countries that invested early in the energy transition are now better positioned to absorb the economic effects of global crises while improving energy security and competitiveness.
Solar and wind remain the main drivers
Solar energy led the expansion once again, accounting for 511 gigawatts, or about 75 percent of total renewable additions in 2025. Wind followed with 159 gigawatts.
Together, solar and wind made up 96.8 percent of all new renewable additions, reflecting continued cost declines and faster deployment across major markets.
Other technologies also recorded gains. Hydropower added 18.4 gigawatts, with most of that increase coming from China. Bioenergy grew by 3.4 gigawatts, while geothermal capacity rose modestly by 0.3 gigawatts.
Africa posts strongest growth yet
Regionally, Asia remained the clear leader, contributing 74.2 percent of all new renewable capacity with 513.3 gigawatts added. Europe followed with a total renewable capacity of 934 gigawatts.
For Africa, the report marked a notable milestone. The continent recorded its highest-ever annual increase, rising by 15.9 percent and adding 11.3 gigawatts, driven mainly by Ethiopia, South Africa and Egypt.
The Middle East also posted its fastest annual growth at 28.9 percent, led by Saudi Arabia.
Despite the progress, IRENA warned that major disparities remain between regions, exposing countries with low renewable penetration to greater energy vulnerability. The agency says that closing that gap will be critical to building more secure and resilient national energy systems.
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