The Auwahiwind farm in Hawaii is still shut down after parts of one of its turbines brokeaway and fell to the ground, said a spokeswoman for , oneof the project's owners.
Sempra and SiemensAG, the turbine manufacturer, are investigating the Oct. 2incident, spokeswoman Jill Howard said in an email Oct. 7, and the entirefacility will remain offline "until we determine it is safe."
A Siemens spokeswoman did not immediately respond to amessage seeking comment on Oct. 7.
The 24-MW project sells electricity to , a subsidiaryof Hawaiian Electric IndustriesInc., under a 20-year power purchase agreement that began in 2012,according to S&P Global Market Intelligence. An attached isoperational.
In 2013, GeneralElectric Co. saida "manufacturing anomaly" was to blame for blades breaking off ofturbines at DTE Energy Co.'sEcho wind farmin Michigan and Invenergy LLC'sOrangevilleproject in New York.
A spokesman for Hawaiian Electric said the utility had neverseen a wind turbine failure as severe as what happened at Auwahi, where anacelle, hub and blades detached from a tower.
Auwahi is co-owned by Sempra U.S. Gas & Power, asubsidiary of Sempra Energy,and BP plc.subsidiary BP Wind Energy NorthAmerica Inc.