News Energy
2020: a good year for solar panels
The year 2020 was a good year when it comes to the yield of solar panels. Researchers from Utrecht University write that the revenue for the whole of 2020 was up to 18% higher than previously expected. It just hasn't set a record yet.
The yield of solar panels in 2020 will be up to 18% higher than expected. Recent research by the University of Utrecht shows that the national average surplus yield in 2020 is 12,6% than in the long-term average used by the KNMI for the period from 1981 to 2010.
"A heat record is usually only news for solar panels. Because the record heat of 2020 results in a somewhat lower efficiency of the panels. As a result, we were just unable to achieve a record yield, which was possible in 2018," says Wilfried van Sark, Professor of Integration of solar energy on the site of the University of Utrecht† "After all, a warm solar panel does not perform optimally. A cold day in May is actually more favorable in that regard."
Regional differences
The regional differences in the country vary considerably from an 8% higher yield in the north to an 18% increase in yield in the south. It is striking that these differences resemble the normal regional differences. In calculating the energy yields, the researchers at Utrecht University used measurement data from KNMI measuring stations in the Netherlands. They assumed an optimally oriented solar panel system.
Jurphaas Lugtenburg
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