Solar radiation on a flat surface in De Bilt (KNMI measurements): an average of 1,038 kWh per m² a year in 1996–2025, 8% more than in 1958–1987 · Open Data Index

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Solar radiation on a flat surface in De Bilt (KNMI measurements): an average of 1,038 kWh per m² a year in 1996–2025, 8% more than in 1958–1987

Solar radiation on a flat surface in De Bilt (KNMI measurements), 1958 – 2025, in kWh per m² a year. That is the highest point in the series.

Source: KNMI, daggegevens van het weer · opgehaald 25 oktober 2026 · selection: station 260 (De Bilt); Q, alleen volledige jarenOpen the table Single block

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