Forecasts built on real data

How much electricity a solar panel produces varies across the country. We model your yield for your location and your roof in design software, then track forecast against actual generation on live sites.

Solar resource maps of Ireland showing photovoltaic power potential and direct normal irradiation, strongest in the south-east — Photovoltaic power potential and direct normal irradiation, long-term averages 1994 to 2018. Source: Global Solar Atlas, World Bank Group, ESMAP, Solargis.

Annual solar yield by county, kWh per kWp a year
Wexford		1,046
Waterford		988
Dublin		981
Louth		979
Cork		972
Kilkenny		955
Meath		947
Laois		942
Galway		941
Tipperary		941
Carlow		940
Kildare		940
Offaly		934
Westmeath		932
Clare		931
Roscommon		923
Wicklow		917
Limerick		916
Kerry		909
Longford		909
Monaghan		895
Cavan		889
Mayo		879
Sligo		868
Leitrim		840
Donegal		817

For an ideally oriented panel, south-facing at 35°. Source: PVGIS 5.3, European Commission Joint Research Centre. One representative location per county, with 14% system losses.

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