Across 12 modelled locations in United Kingdom, a standard 10 kWp south-facing system produces about 9,516 kWh in a typical year on average. Tomorrow's weather-based city forecasts range from 18.3 to 45.5 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 United Kingdom

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

29.8 kWh

Lowest city estimate

18.3 kWh

Highest city estimate

45.5 kWh

Representative locations

Solar forecasts for major cities in United Kingdom

Edinburgh26.9 kWh tomorrow London45.5 kWh tomorrow Manchester18.3 kWh tomorrow

Typical year

Monthly solar production across United Kingdom

The bars average the 12 city reference points. Typical annual output ranges from about 8,518 to 10,417 kWh for the 10 kWp setup. Of the locations modelled, Cardiff has the highest typical annual output and Glasgow the lowest.

331 Jan

493 Feb

828 Mar

1099 Apr

1208 May

1167 Jun

1170 Jul

1054 Aug

869 Sep

605 Oct

402 Nov

291 Dec

January331 kWh

February493 kWh

March828 kWh

April1,099 kWh

May1,208 kWh

June1,167 kWh

July1,170 kWh

August1,054 kWh

September869 kWh

October605 kWh

November402 kWh

December291 kWh

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

Local profiles

All 12 United Kingdom city forecasts

Belfast9,188 kWh typical year 23.9 kWh tomorrow Birmingham9,679 kWh typical year 37.3 kWh tomorrow Bristol10,228 kWh typical year 43.3 kWh tomorrow Cardiff10,417 kWh typical year 36.9 kWh tomorrow Edinburgh9,002 kWh typical year 26.9 kWh tomorrow Glasgow8,518 kWh typical year 22.0 kWh tomorrow Leeds9,517 kWh typical year 34.4 kWh tomorrow Liverpool9,650 kWh typical year 18.6 kWh tomorrow London10,189 kWh typical year 45.5 kWh tomorrow Manchester8,861 kWh typical year 18.3 kWh tomorrow Newcastle upon Tyne9,497 kWh typical year 30.3 kWh tomorrow Sheffield9,443 kWh typical year 20.1 kWh tomorrow

Use the data

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

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