Are solar power plants only profitable in the desert or also in gray northern Europe? Can the sun provide sufficient energy to factories? And where ar

Big Solar: Where do large solar power plants pay off?

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2021-07-26 21:00:07

Are solar power plants only profitable in the desert or also in gray northern Europe? Can the sun provide sufficient energy to factories? And where are we going to find space for PV modules? Some answers for the future.

Solar energy has become extremely cheap. In the desert of Saudi Arabia electricity from solar modules is now generated for just $0.01 (€0.009) per kilowatt hour (kWh), and in Portugal for $0.014 cents per kWh.

An increasing number of large solar parks are being built across the globe to help solve the planet's energy needs.

Production costs for solar energy have dropped by 90% between 2009 and 2020, according to US investment bank Lazard.

In 2020, electricity from large-scale solar plants cost a global average of just $0.037/kWh. By comparison, the costs of generating electricity from new coal-powered plants was three times that at $0.112/kWh, while natural gas cost $0.059, nuclear $0.163, and wind $0.04/kWh.

"We're going to see solar power plants all over the world. It's the cheapest energy source in the world, with a few exceptions. In some places, wind power is still a bit cheaper," said Christian Breyer, a professor of solar economy at LUT University in Finland.