Offshore wind could hit 30GW in the UK by the 2030s and cut bills for consumers, if the country’s government underpins growth with a “zero-subsidy contracts-for-difference (CfD) regime and intelligent market design”, according to a study from Aurora Energy Research.

The 30GW level – a fivefold increase on current UK capacity – would deliver annual savings of up to £2bn ($2.8bn)