Spain's Nuclear Power to Contribute 19% of Electricity Generation by 2025 Amid Renewable Growth
In 2025, Spain's nuclear power plants are projected to generate over 19% of the country's electricity, despite the growth of renewable energy sources. Overall electricity demand rose by 2.6%, reaching approximately 256 TWh. Wind power leads generation at 22%, while solar PV approaches 19%. Spain operates seven nuclear reactors with a total capacity of 7,123 MWe, but is committed to a phased shutdown of its nuclear fleet by 2035. The challenge remains in balancing energy security during the transition to renewables.

Spain's nuclear power plants are projected to generate over 19% of the country's electricity in 2025. Electricity demand increased by 2.6%, estimated at 256 TWh, nearing pre-pandemic levels. Wind power leads generation with a 22% share, while solar PV is rapidly increasing.
Spain operates seven nuclear reactors with a capacity of 7,123 MWe and plans to phase out nuclear power by 2035, with the first reactor decommissioned in 2027. The peak demand in 2025 reached 40,070 MW, raising concerns about energy security amid rising reliance on intermittent renewables. Balancing decarbonization goals with reliable power supply is essential.




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