A coalition of energy suppliers including Octopus, Eon and So Energy is “taking the unusual step” of jointly writing to Ofgem, urging it to keep the Ban on Acquisition only Tariffs (BAT). In open letter, which has also been signed by Rebel Energy, Citizens Advice and Which?, the organisations say they are “particularly concerned to see that the impact on consumers in debt was not considered in Ofgem’s recent consultation on the BAT”.