Scale of Solar Report 2026

The Scale of Solar Report provides the most comprehensive overview of Ireland's solar market to date, highlighting the sector's remarkable growth and its increasing role in strengthening energy resilience, supporting economic development, and delivering clean electricity across the country.

Ireland's solar sector has entered a new phase of growth. The report reveals that total connected solar capacity reached 2.7 GW by the end of May 2026—an increase of almost 300% since 2023 and one of the fastest periods of renewable energy deployment in Ireland's history.

Today, solar energy is helping to power homes, farms, schools, businesses, and communities across Ireland. More than 190,000 homes and businesses are now generating their own electricity, while solar supplied a record peak of 37.1% of electricity demand during the past year.