Renewable hydrogen can already be cheaper than fossil natural gas in the 2030 years. This is stated in a brief study by the analysis institute Energy Brainpool on behalf of Greenpeace. While natural gas prices are rising to 2040 - from the current level of around two cents to 4,2 cents per kWh - production costs for green electricity generated from green electricity - or wind gas - are falling from around 18 to 3,2 to 2,1 ct / kWh.