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Cost Of Solar PV Will Fall To 2 Cents/kWh In 2050, Says Fraunhofer Study

Originally published on Energy Post.

“In a few years, solar energy plants will deliver the most inexpensive power available in many parts of the world. By 2025, the cost of producing power in central and southern Europe will have declined to between 4 and 6 cents per kilowatt hour, and by 2050 to as low as 2 to 4 cents.” These are the main conclusions of a study by the Fraunhofer Institute for Solar Energy Systems commissioned by the German think tank Agora Energiewende. In view of these conclusions, “plans for future power supply systems should therefore be revised worldwide”, says Patrick Graichen, Director of Agora.

A rooftop solar system. Image credit: Kyle Field | CleanTechnica

According to Agora Energiewende, which describes itself as “an independent German think tank dedicated to research on the future of the electrical power system”, the Fraunhofer study “uses only conservative assumptions about technological developments expected for solar energy. Technological breakthroughs could make electricity even cheaper, but these potential developments were not taken into consideration.”

Solar power is already cost-effective, Agora notes. “In the sunny, desert country of Dubai, a long-term power purchase contract was signed recently for 5 cents per kilowatt hour, while in Germany large solar plants deliver power for less than 9 cents. By comparison, electricity from new coal and gas-fired plants costs between 5 and 10 cents per kilowatt hour and from nuclear plants as much as 11 cents.”

According to the study, “most scenarios fundamentally underestimate the role of solar power in future energy systems.” The study shows “that solar energy has become cheaper much more quickly than most experts had predicted and will continue to do so,” says Dr. Patrick Graichen, Director of the Agora Energiewende in a press release. “Plans for future power supply systems should therefore be revised worldwide. Until now, most of them only anticipate a small share of solar power in the mix. In view of the extremely favourable costs, solar power will on the contrary play a prominent role, together with wind energy – also, and most importantly, as a cheap way of contributing to international climate protection.”

The study also reveals “that electricity generation costs for solar power are highly dependent on financial and regulatory frameworks, due to the high capital intensity of photovoltaic installations.  Poor regulation and high risk-premiums reflected in interest rates can raise the cost of solar plants by up to 50 percent. This effect is so great, that it can even outweigh the advantage offered by greater amounts of sunshine.” According to Graichen: “Favourable financing conditions and stable legal frameworks are therefore vital conditions for cheap, clean solar electricity. It is up to policy makers to create and maintain these conditions.”

The full study can be found here.

Reprinted with permission.


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