Solcellekraft as

As an energy source, the sun is unmatched. Each year, the earth receives 15,000 times more energy from the sun than the earth's population uses. Even in Norway, the sun gives 1500 times more energy than we use. Depending on where on the earth you are located, the sun provides an amount of energy from 700 to over 2,200 kWh / sqm per year.

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