Tuesday, March 04, 2008

Vestas wind turbines falling apart

A 10-year-old Vestas turbine near Århus, Denmark, was spinning out of control during a storm on Feb. 22, 2008. It effectively exploded when one of the blades hit the tower (see the dramatic videos below). According to a Feb. 25 report by Kent Kroyer in Ingeniøren, "large, sharp pieces of fiberglas from the blade rained down over the field east of the turbine, as far as 500 meters from the base of the turbine". Another collapse occurred in Sidinge [Vig?], Denmark, 2 days later: "one of the heavy blades flew 100 meters through the air and crashed to the ground with a boom". Kroyer continues: "It has not even been a month since a similar Vestas turbine at Nås in Gotland, Sweden, lost a blade in the same way as in Sidinge. In that case the blade flew 40 meters and hammered down in a field. A neighbor described the bang as 'a sonic boom or a car accident'. Before the New Year, a Vestas turbine in Northern England collapsed, and a month earlier a Vestas turbine collapsed in Scotland." Note that this is a 10-year-old model and much smaller than today's behemoths.

wind power, wind energy, wind turbines, wind farms