Nadhim Zahawi today advised Britons to start cutting their energy usage because ‘there’s a war on’ – after confirmed an 80 per cent rise in the price cap which will send the average household’s yearly bill rocketing from £1,971 to £3,549.  The move will affect 24million Britons from October 1, while the 4.5million on pre-payment meters – who are often the most vulnerable and already in fuel poverty – could see even higher average bills of £3,608.  Asked by broadcasters if it was time for people to look at their energy use, the Chancellor kombi servisi said: ‘The reality is that we should all look at our energy consumption. If you loved…