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Hydrogen costs vary significantly by production method. Studies suggest green hydrogen production costs could fall to €2/kg, making it competitive with fossil fuels. Current prices range from €15-20/kg at stations, with green hydrogen averaging €6.71-7.42/kg in Europe.

Blue hydrogen costs about €4.12/kg and grey hydrogen at €3.33/kg. The Russia-Ukraine war temporarily made green hydrogen cheaper in some regions. Future projections estimate green hydrogen costs could reach €3/kg by 2030 and potentially €2/kg by 2050, with production cheapest in countries like Norway, Spain, and Greece. Meeting the €2 threshold relies on achieving low electricity prices, which are currently deemed unrealistic until after 2050.