Clean Energy’s Latest Problem Is Creaky Wind Turbines

June 27, 2023

Siemens Energy shares fell 36% on Friday morning after the company withdrew its fiscal 2023 profit guidance late Thursday. Components in wind turbines made by its subsidiary Siemens Gamesa are wearing out faster than expected. The news isn’t just a blow for the company’s shareholders, but for all investors and policy makers betting on the rapid rollout of renewable power.