Science & Environment
Electrolyzer Hydrogen Production Energy & Water Demand Calculator
Estimate hydrogen output, energy consumption and water demand for a water electrolyzer.
Your inputs
Change any value to update the result instantly.
Hydrogen produced
18.18 kg H2
Water demand
163.6 kg water
Oxygen co-produced
145.5 kg O2
Specific energy used
55 kWh/kg
Formula and working
H2 mass = energy input ÷ specific energy; water demand = H2 mass × 9
- 1
Collect the inputs
Electrical energy input = 1,000 kWh; Specific energy consumption = 55 kWh/kg H2
- 2
Apply the formula
H2 mass = energy input ÷ specific energy; water demand = H2 mass × 9
- 3
Result
Hydrogen produced = 18.18 kg H2
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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