Faulty Towers
Bloomberg Businessweek US|January 30, 2023
Wind turbine breakdowns have bedeviled manufacturers in the US and Europe
Ryan Beene and Josh Saul
Faulty Towers

On a calm, sunny day last June, Mike Willey was feeding his cattle when he got a call from the local sheriff's dispatcher. A motorist had reported that one of the huge turbines at a nearby wind farm had collapsed in dramatic fashion. Willey, chief of the volunteer fire department in Ames, 90 miles northwest of Oklahoma City, set out to survey the scene.

The steel tower, which once stood hundreds of feet tall, was buckled in half, and the turbine blades, whose rotation took the machine higher than the Statue of Liberty, were splayed across the wheat field below. The turbine, made by General Electric Co., had been in operation less than a year. "It fell pretty much right on top of itself," Willey says.

Another GE turbine of the same model collapsed in Colorado a few days later. That wind farm's owner-operator, NextEra Energy Inc., later attributed it to a blade flaw and said it and GE had taken steps to prevent future mishaps. In a statement to Bloomberg, a spokesperson for GE declined to say what went wrong in both cases.

The instances are part of a rash of recent wind turbine malfunctions across the US and Europe, ranging from failures of key components to full collapses. Some industry veterans say they're happening more often, even if the events are occurring at only a small fraction of installed machines. The problems have added hundreds of millions of dollars in costs for the three largest Western turbine makers, GE, Siemens Energy's Siemens Gamesa unit, and Vestas Wind Systems; and they could result in more expensive insurance policies-a potential setback for the push to abandon fossil fuels and fight climate change.

この記事は Bloomberg Businessweek US の January 30, 2023 版に掲載されています。

7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、9,000 以上の雑誌や新聞にアクセスしてください。

この記事は Bloomberg Businessweek US の January 30, 2023 版に掲載されています。

7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、9,000 以上の雑誌や新聞にアクセスしてください。

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