Sunday, January 8, 2023

Not enough renewable energy to get to 5 mt of green hydrogen


In a recent seminar in Chennai, the National Chemical Laboratory, which is a public funded research lab, based in Pune, outlined what it would take to produce 5 mt of green hydrogen. 

According to the lab’s Director, Dr Ashish Lele, 5 mt means the following: 

  1. * 32 GW of electrolyser capacity (which is at sharp variance with the ‘15 GW’ mentioned by India’s energy minister, R K Singh 

  1. * 115 million liters a day of water 

  1. * 90 GW of solar and 38 GW of wind (the government of India has generally said ‘125 GW of renewable energy’) 

  1. * 340,000 hectares of land 

  1. * $86 billion of investments 

These, Lele said, would help avoid 30-40 million tons of carbon dioxide (government of India puts this at 50 m t) and save Rs 60,000 crore ($7.3 billion) of natural gas imports (government of India said ‘save Rs 100,000 crore [$12.15 billion] of fossil fuels.)  

India today has 62 GW of solar and 42 GW of wind, or 104 GW between the two. If 125 GW is to come up, by 2030, only for electrolysers it means doubling of existing capacity in 7 years—18 GW a year. This is a very tough task, nearly impossible, especially given that many of the current policies are not conducive for renewable energy. 

 

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