Half of Ireland’s grid-scale electricity generated last year came from renewable sources
Ireland generated 50% of its grid-scale electricity from renewable sources in 2025, with wind power serving as the primary contributor. Despite a significant increase in solar energy output, the country remains below its 80% renewable energy target for 2030.
Why it matters
This data highlights the progress and ongoing challenges nations face in transitioning to sustainable energy grids to meet climate goals.
HALF OF IRELAND’S grid-scale electricity generated in 2025 came from renewable sources.
However, there was wide variation on a daily basis in the renewable generation share, largely due to differences in wind generation.
The Central Statistics Office (CSO) today released figures on electricity supply by source in 2025.
The electricity supply in the figures refers to output from main activity producers, whose primary activity is the supply of electricity to the grid for sale to other parties.
It does not include all supply from autoproducers who generate electricity primarily for their own use, such as generation from rooftop solar panels.
CSO infographic on electric supply in 2025 CSO CSO
Gas was the largest energy source for electricity generation, responsible for 47% of generation.
Wind came in second and was the largest renewable source, providing 40% of generated electricity.
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