Across 4 modelled locations in Iceland, a standard 10 kWp south-facing system produces about 7,642 kWh in a typical year on average. Tomorrow's weather-based city forecasts range from 9.5 to 58.5 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 Iceland

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

22.6 kWh

Lowest city estimate

9.5 kWh

Highest city estimate

58.5 kWh

Representative locations

Solar forecasts for major cities in Iceland

Akureyri58.5 kWh tomorrow Keflavík9.5 kWh tomorrow Reykjavík11.7 kWh tomorrow

Typical year

Monthly solar production across Iceland

The bars average the 4 city reference points. Typical annual output ranges from about 7,096 to 8,189 kWh for the 10 kWp setup. Of the locations modelled, Akureyri has the highest typical annual output and Reykjavík the lowest.

41 Jan

217 Feb

644 Mar

1014 Apr

1314 May

1179 Jun

1153 Jul

981 Aug

648 Sep

360 Oct

83 Nov

8 Dec

January41 kWh

February217 kWh

March644 kWh

April1,014 kWh

May1,314 kWh

June1,179 kWh

July1,153 kWh

August981 kWh

September648 kWh

October360 kWh

November83 kWh

December8 kWh

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

Local profiles

All 4 Iceland city forecasts

Akureyri8,189 kWh typical year 58.5 kWh tomorrow Keflavík7,214 kWh typical year 9.5 kWh tomorrow Reykjavík7,096 kWh typical year 11.7 kWh tomorrow Selfoss8,071 kWh typical year 10.6 kWh tomorrow

Use the data

Download the country snapshot or inspect the assumptions, sources, uncertainty ranges and refresh rules.

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