Forecast outstrips previous estimate as booming profits for energy firms would net more cash for struggling UK households
A windfall tax on North Sea oil and gas operators could raise more than £2bn to cushion the pain of rising energy bills.
Analysis by the Labour party – which has called for the one-off levy – reveals that it could rake in at least £1.95bn for the Treasury, far more than the £1.2bn the party forecast in January.
