‘Why do energy prices keep rising?’ and other questions for the Telegraph’s Money Advice Editor Danielle Richardson weighs in on energy-saving devices, solar power and standing charges ahead of the price cap increase Emilia Hitching Reviews Writer, Home and Garden Emilia is a reviews writer for Recommended, specialising in home, garden and sleep product reviews, buying guides and deals advice. Previously, Emilia was sleep and wellness editor at Homes & Gardens where she worked with testers to find the best sleep products, from mattresses to sunrise alarm clocks. See more Published 27 May 2026 6:00am BST disclaimer The products or services listed have been independently tested by our journalists. We earn a commission from the affiliate links in this article.  Read more > Every three months, the energy regulator Ofgem adjusts the price cap , which determines the maximum amount a supplier can charge for a unit of energy and standing charge together.…