Library filed under Structural Failure from California

170-foot blade breaks off wind turbine

The mystery behind a fallen turbine blade at the Ocotillo Wind power plant east of San Diego has led the manufacturer to curtail operations at select wind farms around the world. ...The fallen blade ignited new safety concerns among critics of the plant, who posted photos and videos to the internet of the crumpled white tube.
21 May 2013

Company Shuts Down Wind Turbines Worldwide After SoCal Accident

Siemens does not yet know the root cause of this incident and is working to determine if and how this is related to a recent similar incident in Iowa. Today, Siemens is taking the step of curtailing all turbines with the B53 blade type globally. These turbines will remain curtailed until it can be determined they are not at risk of a similar malfunction. The Iowa incident took place in April at MidAmerican Holdings' 200-megawatt Eclipse wind farm.
17 May 2013

Wind turbine blade throw incident at Pattern Energy's Ocotillo Wind Project

This wholly avoidable public health and safety hazard occurred just one day after San Diego County Board of Supervisors approved the revised Wind Energy Ordinance & Boulevard Community Plan to remove community protections to allow 500 foot tall industrial wind turbines on private land in previously protected areas near homes, recreation areas, and sensitive wildlife.
16 May 2013

Cal Fire: Wind Turbine Generator Caused Wildland Fire that Charred 367 Acres

Asked directly whether the generator that caused the fire was an actual wind turbine, Captain Ewing confirmed, "Yes ma'am." He also confirmed that ground had been cleared around the base of each turbine, the blaze swiftly spread to become a wildland fire despite those precautions. Captain Ewing did not know the precise cause of the turbine malfunction.
31 Jul 2012

https://www.windaction.org/posts?location=California&p=2&topic=Structural+Failure
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