Ireland’s Solar Boom: Which Counties Installed the Most Solar Panels in 2025?

January 28, 2026

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Ireland’s Solar Boom: Which Counties Installed the Most Solar Panels in 2025?

Solar Panel Installations in Ireland Continue to Rise

In 2025, 33,048 residential solar PV systems were installed across Ireland, up from 28,423 in 2024. That’s an increase of over 16% year on year, confirming that solar energy is becoming a mainstream choice for Irish homeowners.

Rising electricity costs, greater awareness of government supports, and growing confidence in solar performance in Irish weather are all contributing to this sustained growth.

Which Counties Are Installing the Most Solar Panels?

The table below show how solar panel installations were distributed by county in 2025, highlighting where adoption is strongest.

Solar Panels Installed by County in Ireland – 2025

County Solar Panel Installations (2025)
Solar Panels Dublin 6,326
Solar Panels Cork 4,324
Solar Panels Galway 2,035
Solar Panels Limerick 1,888
Solar Panels Kildare 1,851
Solar Panels Meath 1,619
Solar Panels Tipperary 1,365
Solar Panels Clare 1,229
Solar Panels Wexford 1,229
Solar Panels Kerry 1,189
Solar Panels Mayo 1,089
Solar Panels Waterford 1,021
Solar Panels Wicklow 1,013
Solar Panels Louth 884
Solar Panels Donegal 792
Solar Panels Kilkenny 773
Solar Panels Westmeath 623
Solar Panels Sligo 622
Solar Panels Offaly 588
Solar Panels Laois 574
Solar Panels Roscommon 455
Solar Panels Cavan 413
Solar Panels Carlow 372
Solar Panels Monaghan 320
Solar Panels Longford 232
Solar Panels Leitrim 222

Year-on-Year Trends Across Irish Counties

When compared with 2024 figures, the 2025 data shows that the majority of counties  – 85% – recorded an increase in solar panel installations. Growth was not limited to major cities or commuter belts — uptake rose across a broad mix of urban, rural and coastal counties.

While counties such as Dublin and Cork continue to account for the highest overall volumes, strong growth was also evident across Munster, Connacht and parts of the Midlands. Even counties with more modest population sizes are now seeing consistent year-on-year adoption.

Overall, the figures underline a clear national trend: solar energy is no longer a niche or region-specific choice — it’s becoming mainstream across Ireland.

Why More Irish Homeowners Are Going Solar

Several factors are driving this continued rise in solar installations:

  • Households want more control over energy costs
  • Solar technology performs reliably in Irish conditions
  • Government supports reduce barriers to entry
  • Export payments make surplus energy more valuable, with Activ8 offering access to Ireland’s highest solar export rate at 32c per kWh for surplus electricity sent back to the grid

Together, these factors are helping solar move from “nice to have” to a practical long-term investment for many Irish homes.

Thinking About Solar Panels Where You Live?

If solar panels are being widely installed in your county, it’s a strong indicator that they can work effectively on similar homes nearby. With around 85% of Irish counties seeing year-on-year growth in solar panel installations in 2025, it’s clear that more homeowners than ever are choosing to generate their own electricity. If you’re considering solar, you wouldn’t be alone — thousands of households across Ireland will become part of the solar boom this year.

At Activ8 Solar Energies, we’ve completed over 25,000 installations across Ireland and are celebrating 20 years in business. Our systems are designed for Irish conditions and installed by our own experienced teams, with most home installations completed in a single day.

If you’re curious about what solar could do for your home, now may be the right time to explore your options.