Cable damage is the biggest single cause of offshore wind claims and vessel collisions with projects are on the rise, said insurance giant Allianz as it gave a rundown of the biggest risks facing the sector.

Cables – export, inter-array and onshore – accounted for 53% of claims by value in its German and Central Eastern European market in the six years to 2020, said Allianz Commercial, which insures some of the world’s biggest projects.