Rising non-commodity costs and resilience concerns make batteries more attractive for big users, says energy consultant Dominic Whittome

Energy is pure expenditure. There is no investment or “hidden benefit” to be had – and even for companies that can damp down usage, there are bill increases to come. Prometheus Energy, a demand side response and reserve battery provider, reported in 2017 that more than one UK business in 20 incurred financial losses due to one or more brown- or black-outs last year.