Belgium Solar Forecast

Across 8 modelled locations in Belgium, a standard 10 kWp south-facing system produces about 10,517 kWh in a typical year on average. Tomorrow's weather-based city forecasts range from 18.4 to 35.9 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 Belgium

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: 27.3 kWh
Lowest city estimate: 18.4 kWh
Highest city estimate: 35.9 kWh

Representative locations

Solar forecasts for major cities in Belgium

View of the city from the Museum aan de Stroom rooftop. Antwerp, Belgium

Antwerp29.2 kWh tomorrow

The largest begonia carpet in the world at an event that takes place in August every two years.

Brussels23.8 kWh tomorrow

This photo of immovable heritage has been taken in the Flemish Region

Ghent33.4 kWh tomorrow

Typical year

Monthly solar production across Belgium

The bars average the 8 city reference points. Typical annual output ranges from about 10,306 to 10,793 kWh for the 10 kWp setup. Of the locations modelled, Bruges has the highest typical annual output and Liège the lowest.

375 Jan

548 Feb

927 Mar

1207 Apr

1282 May

1267 Jun

1260 Jul

1155 Aug

1011 Sep

726 Oct

439 Nov

321 Dec

January375 kWh

February548 kWh

March927 kWh

April1,207 kWh

May1,282 kWh

June1,267 kWh

July1,260 kWh

August1,155 kWh

September1,011 kWh

October726 kWh

November439 kWh

December321 kWh

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

Local profiles

All 8 Belgium city forecasts

Antwerp10,360 kWh typical year 29.2 kWh tomorrow Bruges10,793 kWh typical year 35.9 kWh tomorrow Brussels10,462 kWh typical year 23.8 kWh tomorrow Charleroi10,480 kWh typical year 23.9 kWh tomorrow Ghent10,470 kWh typical year 33.4 kWh tomorrow Leuven10,742 kWh typical year 20.6 kWh tomorrow Liège10,306 kWh typical year 33.0 kWh tomorrow Namur10,521 kWh typical year 18.4 kWh tomorrow

Use the data

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

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