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A long-term study confirms that surface solar radiation (SSR) in Europe increased by 4.8% between 1994 and 2023. In areas of central and western Europe, the increase was even greater, reaching 11% in regions such as northeastern France, the Benelux, and western Germany.
This phenomenon does not necessarily translate into “more sunny days,” but rather a measurable change in the amount of energy reaching the ground, resulting from changes in cloud cover and the sustained reduction of atmospheric pollution.
The average increase is equivalent to 3.1 watts per square meter per decade. Although it seems small, accumulated over 30 years, it modifies energy balances and climate models. For the photovoltaic sector:
In countries with high solar penetration —such as Spain, Germany, or the Netherlands— even a variation of a few percentage points can alter the internal rate of return of a photovoltaic plant.
Climate models suggest that solar radiation will remain high in the coming decades, although with more moderate growth. Uncertainties persist in the modeling of clouds and aerosols, but the scientific consensus indicates that Europe will not easily return to the “dimming” levels of the past.
Europe is today a slightly brighter continent. This change is not just a scientific curiosity: it is a sign of climate transformation and a window of opportunity to accelerate the energy transition.
Taking advantage of it requires integrating climate adaptation, energy efficiency, and territorial planning. It’s not enough to install more panels: a systemic vision is needed that combines energy, water, and resilience to climate change.
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Director/Propietario:
Luis Pavesio
Registro DNDA en trámite
Fecha: 15/03/2026
N° de Edición: 4914
2022 © Noticias Ambientales | Todos los derechos reservados.
