A new British report offers households an attractive deal: abandon net zero and save more than £500 a year. At a time of painfully high energy bills, that claim deserves attention. A transition households cannot finance will eventually lose political support. But the £500 promise is not really a household-cost calculation. It models a cheaper-looking electricity system, excludes costs outside it, assumes fewer cars and homes electrify, and translates the total into a household-sized headline. The report identifies genuine weaknesses…