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Replacing a gas boiler with a heat pump is "irrational"

 
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Government Schemes, Regulations, Planning & Organisations
Last Post by Derek M 2 years ago
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 Kev M
(@kev-m)
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Joined: 4 years ago
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03/05/2023 7:34 am  

Posted by: @jamespipe
↑

Posted by: @toodles
↑

It seems to me that ‘Blue Hydrogen’ is a disaster in the offing and will do litle or nothing towards improving matters.

And green hydrogen?

 

Fantasy for now. 

 


   
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jamespipe
 jamespipe
(@jamespipe)
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04/05/2023 8:40 am  

@kev-m Why? Many countries are already producing green hydrogen.

Heat pump installer at ipromiseaustralia.com.au


   
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 Kev M
(@kev-m)
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04/05/2023 9:55 am  

Posted by: @jamespipe
↑

@kev-m Why? Many countries are already producing green hydrogen.

There are some small scale experiments.  Heating homes directly with H2, green or otherwise isn't currently viable.  The infrastructure isn't suitable and it's an extremely inefficient E2E process.  Production of H2 using excess RE might be viable. But green H2 production doesn't currently lend itself to ramping up and down and the alternative is lots of storage, which we don't have and costs a lot. A combined wind/green H2 system that can deliver nuclear levels of certainty is going to be very expensive. 

Maybe not quite fantasy but it's a long way from reality. 

 


   
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 Kev M
(@kev-m)
Famed Member Member
5606 kWhs
Joined: 4 years ago
Posts: 1276
04/05/2023 9:55 am  

Posted by: @jamespipe
↑

@kev-m Why? Many countries are already producing green hydrogen.

There are some small scale experiments.  Heating homes directly with H2, green or otherwise isn't currently viable.  The infrastructure isn't suitable and it's an extremely inefficient E2E process.  Production of H2 using excess RE might be viable. But green H2 production doesn't currently lend itself to ramping up and down and the alternative is lots of storage, which we don't have and costs a lot. A combined wind/green H2 system that can deliver nuclear levels of certainty is going to be very expensive. 

Maybe not quite fantasy but it's a long way from reality. 

 


   
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 Derek M
(@derek-m)
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04/05/2023 12:09 pm  

Posted by: @kev-m
↑

Posted by: @jamespipe
↑

@kev-m Why? Many countries are already producing green hydrogen.

There are some small scale experiments.  Heating homes directly with H2, green or otherwise isn't currently viable.  The infrastructure isn't suitable and it's an extremely inefficient E2E process.  Production of H2 using excess RE might be viable. But green H2 production doesn't currently lend itself to ramping up and down and the alternative is lots of storage, which we don't have and costs a lot. A combined wind/green H2 system that can deliver nuclear levels of certainty is going to be very expensive. 

Maybe not quite fantasy but it's a long way from reality. 

 

Germany appears to be working towards having green Hydrogen as a key element of their energy mix.

Below are some interesting videos and information.

https://www.siemens-energy.com/global/en/news/magazine/2022/trianel-power-plant-upgrades.html

 


   
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