The body said the move could help cut offshore wind costs by 1.5%, or the equivalent of to up to £100m ($171.6m) per year, compared to existing 33kV systems.
The three cable manufacturers – the UK's JDR, French cabling giant Nexans and Italian group Prysmian – will each be receiving £133,000.
JDR will qualify a 3-core 630mm, copper conductor, wet design, 66kV cable and Nexans a 3-core 630mm aluminium conductor, dry design.
Prysmian