How many square kilometers of solar panels and battery backup in Spain to power Germany
Lars Schernikau - William Smith
Switzerland USA
2021
researchgate.com

Germany is responsible for about 2% of global annual CO2 emissions from energy. To match Germany’s electricity demand (or over 15% of EU’s electricity demand) solely from solar photovoltaic panels located in Spain, about 7% of Spain would have to be covered with solar panels (~35.000 km2).
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