For a long time it was one of the cheapest sources of energy, which is no longer entirely true. Since the start of the year, the price of gas has increased again. The kilowatt hour now reaches a price higher than that of January 2024. The price of gas has soared since July. This primarily concerns the twelve million French households who use it for heating. Should we fear a new surge in prices? TF1 | Report O. Lévesque, G. Parrot