Britons need to keep a close eye on their energy budgets as prices remain "volatile", an expert has said. : There is no guarantee energy bills will continue to fall as predicted by July, an energy saving expert has warned. Several analysts have forecasted bills will drop to just over £2,000 a year, below the cap set by the Government’s energy price guarantee, which currently limits the bills paid by the average household at £2,500 a year. However, Ben Dhesi, creator of energy saving mobile app HUGO, has warned: "Energy prices are volatile so I wouldn’t jump for joy yet.