Hydrogen Generation and Value Chain
Hydrogen is currently already an important resource for industry, used for things such as artificial fertiliser, but is still mainly made from natural gas in a process that releases carbon dioxide. The hydrogen produced is called ‘grey
hydrogen’.
If you capture the carbon dioxide released and store it underground, the hydrogen produced is referred to as ‘blue hydrogen’.
For the energy transition, the plan is to ultimately make use of a third category of hydrogen: ‘green hydrogen’. This type of hydrogen is produced through electrolysis using green electricity (from the sun, wind, etc.), i.e. completely
sustainably.
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Hydrogen
Grey Hydrogen
Hydrogen gas that is generated via combustion of fossil fuels such as natural gas
Blue Hydrogen
Hydrogen gas generated from non-renewable energy sources such as nuclear energy
Green Hydrogen
Hydrogen gas that is generated using renewable energy such as solar energy and wind energy
Sources
Fossil fuels
Non-renewable energy source
Renewable energy sources
Greenhouse gas emissions
Very high
Moderate to low
Zero
Acceptance
Highly unacceptable due to harm on the environment
Acceptable
Highly acceptable
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