Solar production by month in Belgium

Editor:

Benjamin Hers

Publisher:
Publication:
Updated :
24/6/2025

Solar power generation in Belgium

" The weather in Belgium is always bad, so there's no point in installing solar panels... " Think again! In this article, we take a closer look at seasonal fluctuations in solar production in Belgium and their impact on the use of solar energy.

The rhythm of the seasons and solar production in Belgium

In Belgium, solar energy production is influenced by seasonal changes in the length of days, the angle of the sun, and weather conditions. Here is an overview of solar production by month of the year:

1. Spring:

Spring marks the beginning of increased solar energy production in Belgium. The days are getting longer and the sun is getting stronger, resulting in a significant increase in the amount of solar energy captured by photovoltaic panels. Although spring days can still be punctuated by rain and clouds, solar production is beginning to increase significantly.

2. Summer:

Summer is the time of year when solar production is highest in Belgium. With longer days and the sun at its zenith, solar panels capture maximum sunlight, producing a considerable amount of energy. The summer months generally offer ideal conditions for solar production, with sunny days and minimal rainfall.

3. Fall:

In the fall, solar production begins to gradually decline. The days get shorter, the sun is at a less favorable angle, and weather conditions become more variable. Although solar production remains relatively high during the early months of fall, it gradually declines as winter approaches.

4. Winter:

Winter is the time of year when solar production is most limited in Belgium. The days are short, the sky is often overcast, and the sun is low on the horizon, which reduces the amount of sunlight reaching the solar panels. However, even on the darkest winter days, your solar panels continue to produce energy.

Despite seasonal variations, solar production in Belgium remains active throughout the year. Residents can maximize their investment in solar energy by taking advantage of periods of optimal production. Widespread adoption of solar energy not only helps reduce electricity bills, but also reduces Belgium's overall carbon footprint.

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