Operations & Maintenance

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The hybrid tower holding a Nordex turbine in the Haltern forest suddenly collapsed last September (image credit: RAG Montan Immobilien)

Nordex probe finds cause of collapsed turbine in Germany

Investigators have concluded that weak points in the pre-stressed concrete part of a hybrid tower caused the collapse of a Nordex turbine at the Haltern AV 9 wind farm in Germany 12 months ago.

Stiesdal Offshore connected a pilot project for its TetraSpar concept to the grid late last year

Stiesdal partners with Maersk for floating wind

Danish floating wind specialist Stiesdal Offshore has teamed up with compatriot marine contractor Maersk Supply Service to offer turnkey engineering solutions for foundations and mooring in deep waters.

Nordex’s N90/2500 turbine collapsed at Pennant Walters’ 25MW Pant-y-Wal wind farm in southern Wales on 14 February (pic credit: Matthew Horwood/Getty Images)

Nordex blames turbine collapse on ‘overspeed condition’

A Nordex turbine collapsed at a Welsh wind farm earlier this year after running in an “overspeed condition” for more than four hours, the German manufacturer has concluded.

News and Analysis

Video: Newly waterproof robot ‘to cut blade O&M costs’

Technology developer BladeBug has revealed a new-look robot concept covered in a waterproof outer shell, enabling it to carry out wind turbine maintenance in harsh conditions.

Video: Senvion turbine catches fire in UK city

A Senvion wind turbine installed at an industrial site caught fire this morning sending “acrid black smoke” drifting across the city of Hull in the north-east of England.

Video: Vestas turbine catches fire at UK wind farm

Ventient Energy is investigating after a Vestas turbine caught fire at one of its wind farms in south-west Scotland.

Video: GE turbine catches fire after lightning strike

Innergex has launched an investigation after a GE turbine caught fire after being struck by lightning at a Texan wind farm last Friday (July 22).

In depth

Why repowering is key to the energy transition

Replacing small, 20-year-old turbines with the latest technology offers savings over new wind farms and increased power yields

Distribution of value in the wind industry is broken – it’s time for a new settlement

Former Siemens Gamesa insider says turbine manufacturers are in dire need of the bright future they were promised

How do we close the offshore wind skills gap?

A three-pronged approach is required, including seeking people with transferable skills as well as a diverse workforce

How easy is it to hack a wind turbine?

From data theft to satellites used for remote monitoring, recent cyber attacks have made global headlines

From raw materials to policy: challenges facing OEMs

Analysts and other trade associations have given their forecasts for the health and profitability of turbine makers this year