Wind energy could provide 20 percent of the electricity for the eastern half of the United States by 2024, but only if the nation makes a significant financial investment, according to new government report.

About $90 billion would be required to install a network of land- and sea-based wind turbines and about 22,000 miles of new power lines, according to the study published by U.S. Energy Department’s National Renewable Energy Laboratory.

The report said that the government would have to provide a significant portion of that investment through programs such as loan guarantees.
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A $400 billon (£240 billion) plan to provide Europe with solar power from the Sahara desert moved a step closer to reality with the formation of a consortium of 12 companies to carry out the work. Known as the Desertec Industrial Initiative (DDI), the German-led consortium consists of some of country’s biggest engineering and power companies, along with Munich Re, the largest reinsurer in the world.

Since the project was first announced in July, the DII has gained support from a wide variety of political and governmental institutions in the Middle East, North Africa and Europe.

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