Cost of net zero

Andrew Montford made this Freedom of Information request to Committee on Climate Change

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Andrew Montford

Dear Committee on Climate Change,

Your recent report on net zero gave the cost as 1-2% of GDP in 2050. I would like a copy of the underlying financial model for this figure so I can understand how it was derived.

Yours faithfully,

Andrew Montford

Communications, (CCC), Committee on Climate Change

Good afternoon Andrew,

Thank you for your email and request. I can confirm we have received the request and will be responding as soon as we can and certainly ahead of the 20 working days deadline.

Kind regards,
Tom

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Communications, (CCC), Committee on Climate Change

Dear Andrew,

Thank you for your email. Please see Chapter 7 (https://www.theccc.org.uk/wp-content/upl...) of our May report Net Zero, which sets out how the estimated cost of 1-2% of GDP was derived. Further supporting detail on the underpinning analysis is set out in the accompanying Technical report. (https://www.theccc.org.uk/wp-content/upl...)

Best regards,
Tom

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Andrew Montford

Dear Tom

Thanks for this. I have seen these documents already, but I was looking for the actual calculations rather than a report on what the calculations say.

e.g. you say that the cost is 1.3% of 2050 GDP, but that is the sum of some resource costs divided by a GDP figure. What are those values? And what are the components of the resource cost sum?

Hope this is clear.

Yours sincerely,

Andrew Montford

Communications, (CCC), Committee on Climate Change

Dear Andrew,

The breakdowns you are after is published within the advice report (Figure 7.2, page 229) as highlighted below. More information on the numbers you are looking for can be downloaded from our website (https://www.theccc.org.uk/publication/ne...) on the link "Net-Zero Exhibits - Chapter 7".

Best regards,
Tom

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Andrew Montford

Dear Tom

Thanks for this. This is still not really what I'm looking for. The spreadsheet exhibit 7.2 doesn't explain where (for example) -2.4 billion pounds comes from. I have searched the Advice and the Technical reports for a figure of 2.4 and it is not mentioned anywhere. Where does it come from?

Thanks again for your prompt responses.

Andrew Montford

Communications, (CCC), Committee on Climate Change

Dear Andrew,

As mentioned, Chapter 7 of the advice report (section 3) includes detail on abatement options in each sector and their costs – Table 7.3 shows the average abatement cost estimates for different measures/sectors, and some of the components which make up total costs within each sector.

For further details on the abatement measures in each sector and their costs it is best to refer to the individual sector chapters in the technical report. For example, the Power chapter describes what is included in the Core scenario for the Power sector, which corresponds to the £2.4bn cost figure you mention below.

Best regards,
Tom

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Andrew Montford

Dear Tom

There seems to be some confusion here. I'm asking for *calculations*. Where is the *calculation* of the 2.4 billion figure? It's clearly not in the reports (Table 7.3 does not contain the figure 2.4!)

Yours sincerely,

Andrew

Communications, (CCC), Committee on Climate Change

Dear Andrew,

Thank you for the clarification and my apologies on the confusion here. I will follow this up with our analysts next week and aim to come back to you as soon as we can.

Best regards,
Tom

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Communications, (CCC), Committee on Climate Change

Dear Andrew,

Thank you for your patience. I am pleased to confirm that we are working on providing you with a response and will ensure we reply within 20 working days from the 14 June request.

Best regards,
Tom

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Communications, (CCC), Committee on Climate Change

2 Attachments

Dear Andrew,

Please find our response to your FOI request within the attached documents.

Best regards,
Tom

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