Brits are increasingly baffled by energy tariffs and struggle to understand what they’re actually paying for, new research has found. Almost half of people surveyed (47%) did not know what tariff they were on, with seven in ten overwhelmed by options and 63% unsure whether to go for fixed or variable tariffs. The confusion extends to renewables , according to the research by energy supplier E.ON Next . Almost two thirds (62%) said they have no idea what a heat pump was, while 21% were unaware