France seems to be in a sweet spot: low electricity price and low CO2 emissions, thanks to nuclear power?
Household prices are meaningless in this context, because they are artificially kept low in France and sometimes are affected by taxes and fees elsewhere. Here are spot marked prices: https://tradingeconomics.com/france/electricity-price https://tradingeconomics.com/germany/electricity-price
Spot market prices is just whatever the price is in EU, since all the grids are connected and every country in EU must trade if they have surplus energy. It represent the collective supply and demand within EU.