Andrew wrote:

GB wrote:

My son lives in Germany, and his
bathroom has a 21KW 'instant' electric water heater.

How much does he pay for a KiloWatt/hour of electric, now that they have
shut down all their nuclear power stations ?

About 31¢ = 27p per kWh, They have overtaken Denmark as being most
expensive in the EU

https://ec.europa.eu/eurostat/statistics-explained/images/3/34/Electricity_prices_for_household_consumers%2C_firs t_half_2019_%28EUR_per_kWh%29F1.png