[en] This article recalls how the electric power price is determined on the unique European market, and briefly indicates that the upsurge in power prices first results from that in fossil commodities. It outlines that the French price regulation is the best protection of French consumers against price volatility, but maybe only for a time. The author explains how the contestability principle is a factor of increase of TRVEs (regulated prices of electric power sale). The role of nuclear power production in the still possible decrease of the electricity bill of French people is discussed, as well as the possibility of a reform of markets