The report  by consulting firm GlobalData.shows that the rapid growth in wind power has already significantly boosted O&M expenditure to $7.3bn in 2012, a compound annual growth rate of 15.6%.

The findings anticipate that China will surpass the US to become the leader in O&M expenditure, with a 24.7% share of the market by 2020.

It is predicted that offshore wind will continue to attract higher O&M costs compared to onshore, reaching a market size of $5bn – or a 29% share of the total O&M market – in 2020.

“Higher