Gigantic Wind Turbines Signal Era of Subsidy-Free Green Power

Jess Shankleman , Brian Parkin , and Anna Hirtenstein for Bloomberg:  Offshore wind turbines are about to become higher than the Eiffel Tower, allowing the industry to supply subsidy-free clean power to the grid on a massive scale for the first time.

Manufacturers led by Siemens AG are working to almost double the capacity of the current range of turbines, which already have wing spans that surpass those of the largest jumbo jets. The expectation those machines will be on the market by 2025 was at the heart of contracts won by German and Danish developers last week to supply electricity from offshore wind farms at market prices by 2025.

Just three years ago, offshore wind was a fringe technology more expensive than nuclear reactors and sometimes twice the cost of turbines planted on land. The fact that developers such as Energie Baden-Wuerttemberg AG and Dong Energy A/S are offering to plant giant turbines in stormy seas without government support show the economics of the energy business are shifting quicker than anyone thought possible -- and adding competitive pressure on the dominant power generation fuels coal and natural gas.

“Dong and EnBW are banking on turbines that are three to four times bigger than those today,” said Keegan Kruger, analyst at Bloomberg New Energy Finance. “They will be crucial to bringing down the cost of energy.”  Full Article:

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