Ireland Solar Forecast

Across 5 modelled locations in Ireland, a standard 10 kWp south-facing system produces about 9,732 kWh in a typical year on average. Tomorrow's weather-based city forecasts range from 20.4 to 30.7 kWh for the same reference setup.

Forecast for Wednesday, August 5, 2026 · Updated Aug 4, 2026, 06:53 PM UTC · City samples, not a national production forecast

Tomorrow in Ireland

One system. Different local weather.

Using the same installation in every location isolates the effect of weather and geography. Enter your own roof on any city page for a personal estimate.

City average
26.9 kWh
Lowest city estimate
20.4 kWh
Highest city estimate
30.7 kWh

Typical year

Monthly solar production across Ireland

The bars average the 5 city reference points. Typical annual output ranges from about 9,160 to 10,472 kWh for the 10 kWp setup. Of the locations modelled, Waterford has the highest typical annual output and Limerick the lowest.

January363 kWh
February513 kWh
March844 kWh
April1,117 kWh
May1,246 kWh
June1,196 kWh
July1,148 kWh
August1,070 kWh
September861 kWh
October624 kWh
November438 kWh
December312 kWh

Typical monthly profiles use the European Commission JRC PVGIS multi-year climate series.

Local profiles

All 5 Ireland city forecasts