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Pruthiraj Swain posted:

Is Hydrogen based fuel cells comes under renewable sources of energy ? 1 year ago Like

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Narasimhan Santhanam Hi Pruthiraj. Thanks for your question.

Technically, hydrogen cannot be classified as a renewable energy source, but more as an energy storage medium.

Why?

Consider the key renewable energy sources - solar, wind, biomass, geothermal etc. These are all present in nature around us, and all we need to do is to recover useful energy out of these (electricity from solar & wind, heat & biofuels from biomass, heat & power from geothermal).

On the other hand, hydrogen is not present around us in pure form, and hence has to be generated using other forms of energy - which could be renewable energy or a fossil energy source!

So, it can easily deduced that hydrogen is neither a direct source of energy, nor can it be definitively called renewable.

However, as a storage medium, hydrogen is a great idea. Solar & wind are infirm sources, so an effective way to make them reliable is to use them to generate hydrogen and recover this energy on demand.

Hope I made sense. Thanks again for asking.
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