The turbine manufacturer said the increase, based on preliminary reporting, is “primarily driven by a better-than-expected development of the net working capital”.

Vestas has previously stressed the need to improve its free cash flow position as part of its corporate and financial turnaround strategy.

The Danish company will release its full-year results for 2013 plus its outlook for 2014 on 4 February.

Vestas shares ended the day up 5.5%