Crane collapse delays construction at Swedish wind farm

Jan 2021Published 5 Nov 2026Responsible editor: Chief Editor

MinorMechanical175 MW

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Companies named in the reporting of this entry (being named is not a finding of fault): Windpower

What happened

A lattice boom mobile crane collapsed at the construction site of the 175MW Björkvattnet onshore wind farm in Jamtland County, Sweden, during challenging weather conditions at night on 11 January 2021. The renewables developer Treblade, which is owned by Infravia Capital Partners, told Windpower Monthly that no one was injured. The developer estimates the collapse delayed installation of the remaining GE turbines by around three weeks, with completion now expected in June.

The project is being built with 33 GE Cypress 5.3-158 turbines. At the time of reporting, the wrecked crane was being dismantled. GE said it was working closely with Treblade to continue installing turbines as quickly and safely as possible.

Contributing factors

The source reports challenging weather conditions at night when the crane came down. No cause of the collapse was given in the source.

Lessons learned

Set and enforce crane operating limits for wind speed and weather, and stop lifting when conditions approach those limits, especially at night.
Review lift plans and crane stability checks before night-time or adverse-weather working on wind farm sites.
Plan turbine installation sequences so that the loss of one crane does not stall the whole programme, for example by arranging backup lifting capacity.

More lessons on weather and external hazards, outages, backup supply and restoration, from every incident on the register.

Source

Windpower Monthly (windpowermonthly.com)

Other entries that name Swedish

Crane boom collapses while lifting turbine nacelle at Swedish wind farm EIR-0909 · 2017

Published 2026-11-05. Written from public reporting. Descriptive, not investigative. See the data accuracy disclaimer.

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Chart to reuse with this story: Wind (onshore) incidents in Sweden, by year, free with a credit (PNG).

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Wind (onshore) incidents in Sweden: 11 entries, with a free alert for the next one.

Wind turbine fires: the counts, the latest entries and a free alert for the next one. Also: wind turbine collapses.

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