Cost Overview - Hydrogen
Pressurized Hydrogen can be purchased between €5-20 per kilo
An electrolyzer/fuel cell costs around €632 per kW
As a rule of thumb, a price of 2 eurocent per kWh electricity results in a price of € 1 per kilo hydrogen (link)
A 1kW electrolyzer produces approximately 0.5 kilogram of H2 per day or 182.5 kilogram per year (link)