Power-to-Gas Calculator

Calculates the electric power and the amount of water needed to produce a certain amount of hydrogen. Water, H₂O, can be converted via electrolysis into hydrogen, H₂ and oxygen, O₂. This is the reverse process of a fuel cell, which burns hydrogen to water. Both systems together can be used to store excess energy, like it occurs e.g. at wind turbines.

Hydrogen Production

Amount of H₂O:		kg
Efficiency factor:		%
Energy needed:		kWh
Produced H₂:		kg
Produced O₂:		kg

Round to   0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15   decimal places.

Please enter one value and change the efficiency factor, if needed. The other three values will be calculated.

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