It's a mystery.
Compare and contrast. In the euro area, falling energy prices are cited as one of the reasons why the annual inflation rate has dropped to a four-year low of 0.7%.
The best part of Ed Miliband's new energy policy is the plan to abolish Ofgem.
As energy prices look set for further inflation-busting increases, a new campaign is launched on Monday to make it easier for customers to change their energy supplier.
The whistleblower who first raised the alarm about what he believed to be attempts to manipulate gas prices has been summoned to Brussels to explain to European Union regulators how the market might have been distorted .
The City watchdog, the Financial Services Authority, is investigating claims by a whistleblower that Britain's £300bn wholesale gas market has been "regularly" manipulated by some of the big power companies, exploiting weaknesses that echo the recent Libor scandal.
A retired couple claim they have improved their health and cut their energy bills by a third by living on British summer time all year round.