A large Australian operator of wind turbines experienced a near catastrophic failure, with rogue weld repairs causing severe cracking in a major forging. These untraceable weld repairs cast doubts over the safety of an entire fleet of recently installed turbines. Wind turbines are constructed of many components sourced through international supply chains that can’t always be verified as quality suppliers. The unknown origins of imported components pose a real risk to Australian wind turbine owners and operators.

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