People often ask me whether I’m for or against hydrogen. But that is the wrong question to ask.

Instead the question should be “In which use cases can hydrogen deliver decarbonisation where other solutions are either not available or more costly?”

linkedin.com/pulse/hydrogen…
1) @gnievchenko @AgoraEW have systematically looked at answering this question. agora-energiewende.de/en/publication…
@gnievchenko @AgoraEW @CarbonBrief @DrSimEvans 3) @MLiebreich and his now famous hydrogen ladder answers the question for all applications in a single graphic. linkedin.com/pulse/clean-hy…
Old habits die hard.

I blocked this guy months ago after a constant stream of ad hominem attacks and just general rudeness.

Seems that he cannot give up his old habits and is now asking others to supply screenshots of my tweets.

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More from @janrosenow

20 Nov
There’s a risk that blue hydrogen will lock us into fossil fuels.

How credible are the promises around blue hydrogen? Ä

And how should policy makers respond?

New paper by me and @heatpolicyrich @RegAssistProj on these and other questions.

THREAD

authors.elsevier.com/a/1e6LW9C%7EIt…
1) Hydrogen appears to be currently peaking on a “hype cycle” i.e., the current expectations are inflated far beyond its likely impact.
2) Clearly, the fossil fuel industry has a vested interest in maintaining its existing business model, and its strong support for blue hydrogen is primarily driven by self-preservation rather than climate protection concerns.
Read 18 tweets
19 Oct
And here it is! The long awaited UK Heat and Buildings Strategy. 202 pages long plus annexes. What’s in it? The good, the bad and the ugly.

@beisgovuk

THREAD

assets.publishing.service.gov.uk/government/upl…
1) Banning fossil fuel heating by 2035: The document is not entirely clear what is being planned. It talks about setting an 'ambition' but it remains unclear whether this means setting an outright ban of installing new fossil fuel heating systems.
2) The document also talks about the 'aim' to phase out new natural gas boilers by 2035 and highlights the potential for further policy. Further detail needs to be seen before we can be confident that 2035 is a hard regulatory stop.
Read 14 tweets
18 Oct
After a long time waiting for it it’s finally out - the UK’s Heat & Buildings Strategy. What’s in it?

🚫Ban of installing fossil heating systems in 2035

💷£450m grants for heat pumps

⚡️Reform of electricity levies

THREAD

gov.uk/government/new…
🚫Ban of fossil heating systems to be installed after 2035

This is a huge step. The UK is the first country in the world doing this and it replicates what we have already for petrol and diesel cars. Details to be seen yet but a big step forward.
💷£450m grants for heat pumps

The current funding policy for heat pumps will run out next year and has been generous. £450m over 3 years translates into 30,000 heat pumps per year. That’s not enough to get us on track to 600,000 per year and supports current installation levels.
Read 7 tweets
16 Sep
In the UK heating with fossil fuels is often the cheapest alternative. But how can we change that and make clean heating a more attractive option?

New piece for @GreenAllianceUK by me & @heatpolicyrich @RegAssistProj. THREAD greenallianceblog.org.uk/2021/09/16/reb…
1) It is widely accepted that heat pumps will play a major role for decarbonising heating. But their running costs are usually higher than gas boilers. This is because we put most of the climate policy costs on electricity and almost none on fossil fuels.
2) This issue is well-understood also thanks to the great work of the @CommonsEAC led by @Dunne4Ludlow. telegraph.co.uk/environment/20…
Read 11 tweets
14 Sep
The climate crisis is wreaking havoc across the world. Meanwhile in the UK we continue to subsidise new fossil fuel boilers.

theguardian.com/environment/20…
1) Let’s take a step back to understand what’s going on here. The Energy Company Obligation (ECO) is a long-standing energy efficiency programme. The first variation of its kind started in 1994. 10 years ago I wrote my PhD thesis on it @ecioxford. sciencedirect.com/science/articl…
2) ECO (or the Supplier Obligation as it is also known) has always supported installing new fossil fuel boilers. Especially during EEC 1+2 and CERT millions of condensing boilers were installed. This led to very large energy savings. centrica.com/media/1635/bg_… Image
Read 11 tweets
17 Aug
The UK hydrogen strategy is finally out. My take on it in this thread. gov.uk/government/new…
1) The hydrogen strategy rightly identifies hydrogen as a key ingredient for the energy transition especially in areas such as power, industry and parts of the transport sector.
2) As my quote on @BBCNews says “But, as the strategy admits, there won’t be significant quantities of low carbon hydrogen for some time. We need to use it where there are few alternatives and not as a like-for-like replacement of gas.” bbc.com/news/science-e…
Read 24 tweets

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