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Jonny Marshall

@jonnymarshall

Principal Economist at the Resolution Foundation @resolutionfoundation.org working on energy and climate policy

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Latest posts by Jonny Marshall @jonnymarshall

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What a difference a week makes. It's almost as though our entire energy system is based on something fundamentally unstable

04.03.2026 08:59 ๐Ÿ‘ 9 ๐Ÿ” 5 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0

Speech had surprisingly little on global context. Truth is Iran has the potential to put government cost of living plans completely off track. UK exposed to disruption to LNG supplies from Qatar. Impact of gas price moves so far if sustained would be over ยฃ500 increase in energy price cap in July.

03.03.2026 13:01 ๐Ÿ‘ 6 ๐Ÿ” 6 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 1
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Power cut โ€ข Resolution Foundation Next week, Ofgem is expected to announce that the Q2 2026 energy price cap will be nearly ยฃ120 below current levels. This reduction is overwhelmingly driven by the Governmentโ€™s energy bill discount, w...

Have a read of this for more www.resolutionfoundation.org/publications...

25.02.2026 10:45 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

And the Government's discount expires in 2029. Unless extended, the remaining ยฃ55 gets added back to bills overnight โ€“ leaving ministers facing a difficult choice, potentially just ahead of a general election

25.02.2026 10:45 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Bills over 2026 are on track to be more than ยฃ200 lower in real terms than in 2024. But network and policy costs will add around ยฃ150 by 2029 โ€“ and while lower wholesale prices should offset most of that, energy markets are unpredictable

25.02.2026 10:45 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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And shifting costs from billpayers to taxpayers benefits those on lower incomes most. Savings are worth twice as much for the poorest fifth as the richest fifth - with higher earners contributing more through the tax system

25.02.2026 10:45 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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The fall is driven mainly by the Government moving policy costs off bills โ€“ cancelling ECO and funding 75% of the Renewables Obligation from taxation instead. The average saving from this is around ยฃ135, but one-in-four households will benefit by more than ยฃ200

25.02.2026 10:45 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Energy bills to fall in April in price cap change and charges shake-up Changes announced in the Budget mean all energy bills will see some kind of reduction, but it will vary.

Energy bills are finally starting to come down โ€“ the next price cap will be ยฃ117 (7%) lower than today's. Much-needed good news needed for millions of hard-pressed families๐Ÿงต
www.bbc.co.uk/news/article...

25.02.2026 10:45 ๐Ÿ‘ 7 ๐Ÿ” 6 ๐Ÿ’ฌ 3 ๐Ÿ“Œ 0

Tomorrow, Ofgem is expected to announce that the energy price cap for Q2 2026 will be nearly ยฃ120 lower than current levels.

This policy will deliver a boost to living standards from April and should help to keep bills below current levels until at least 2029.

Our analysis โžก๏ธ buff.ly/zrvoZMp

24.02.2026 16:00 ๐Ÿ‘ 12 ๐Ÿ” 6 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1
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Power cut โ€ข Resolution Foundation Next week, Ofgem is expected to announce that the Q2 2026 energy price cap will be nearly ยฃ120 below current levels. This reduction is overwhelmingly driven by the Governmentโ€™s energy bill discount, w...

Much more in www.resolutionfoundation.org/publications...

23.02.2026 16:05 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

The discount is only funded until 2029, leaving a cliff edge just ahead of a likely election. This means that extending (or expanding) bill support is likely โ€“ but it wonโ€™t be free. Government should settle the framework for how costs are split between bills and taxation sooner rather than later.

23.02.2026 16:05 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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But bills are set to tick up over this decade. New costs for network infrastructure and policy costs are baked in, and the value of the Governmentโ€™s discount will fall as the Renewables Obligation contracts it funds start to expire

23.02.2026 16:05 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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By moving some costs from bills to the tax system, savings are worth twice as much to the poorest households as the richest โ€“ leaving households in the bottom nine income deciles as net beneficiaries on average.

23.02.2026 16:05 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Power cut โ€ข Resolution Foundation Next week, Ofgem is expected to announce that the Q2 2026 energy price cap will be nearly ยฃ120 below current levels. This reduction is overwhelmingly driven by the Governmentโ€™s energy bill discount, w...

๐Ÿ’ก New @resolutionfoundation.org note on energy bills out over the weekend ๐Ÿ’ก

2026 energy bills are on track to be more than ยฃ200 lower, in real terms, than in 2024 โ€“ overwhelmingly driven by the Governmentโ€™s discount kicking in this April.

www.resolutionfoundation.org/publications...

23.02.2026 16:05 ๐Ÿ‘ 6 ๐Ÿ” 2 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Green your eats โ€ข Resolution Foundation This report provides an assessment of the UKโ€™s progress toward net zero in the land use and agriculture sector โ€“ the only major area where emissions have barely fallen over the past 15 years. It exami...

Today's report isn't usual territory, but does show our commitment to evidence. It would be easy to write a report saying protect consumers at all costs. Great analysis by @zackleather.resolutionfoundation.org persuaded us that wasn't the right answer. www.resolutionfoundation.org/publications...

03.02.2026 09:56 ๐Ÿ‘ 3 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Green your eats โ€ข Resolution Foundation This report provides an assessment of the UKโ€™s progress toward net zero in the land use and agriculture sector โ€“ the only major area where emissions have barely fallen over the past 15 years. It exami...

๐Ÿงต New research on decarbonising UK farms and what it means for living standards.

The good news is decarbonisation should be manageable and won't cost the world - but it'll still be hard, as farming's in a fragile situation. Here's what we found ๐Ÿ‘‡

www.resolutionfoundation.org/publications...

03.02.2026 15:41 ๐Ÿ‘ 8 ๐Ÿ” 4 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0
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Net zero farming โ€ข Resolution Foundation The UK has made good progress towards net zero in recent decades. But the agriculture sector stands out as having made barely any progress. To meet our legally-binding climate targets, agriculture and...

Excited to be finally launching our new report on agricultural decarbonisation tomorrow morning - 9:30 online or in person for anyone who wants to join!

๐Ÿ‘๐Ÿšœ๐Ÿฎ

www.resolutionfoundation.org/events/net-z...

02.02.2026 16:18 ๐Ÿ‘ 25 ๐Ÿ” 5 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
Figure 1 shows, as well as ensuring stable funding, the Plan will also see all programs funded centrally, as the bill-funded Energy Company Obligation (ECO) scheme, which has dominated recent energy efficiency policy spend, was scrapped in the Budget last November.

Figure 1 shows, as well as ensuring stable funding, the Plan will also see all programs funded centrally, as the bill-funded Energy Company Obligation (ECO) scheme, which has dominated recent energy efficiency policy spend, was scrapped in the Budget last November.

After half a decade of chopping and changing on home upgrade schemes, the Warm Homes Plan should see a more consistent Government approach into the late 2020s.

As well as ensuring stable funding, the Plan will also see all programs funded centrally.

More on the Warm Homes planโžก๏ธ buff.ly/QJ2881G

22.01.2026 09:52 ๐Ÿ‘ 9 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 2

Lots of good stuff in the Government's Warm Homes Plan. See ๐Ÿ‘‡๐Ÿ‘‡๐Ÿ‘‡ for the @resolutionfoundation.org hot take

22.01.2026 10:06 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Electric dreams โ€ข Resolution Foundation A low carbon electricity system will underpin the UKโ€™s journey to net zero, making the electricity we use today greener but also fuelling our cars and keeping us warm at home in decades to come. But t...

Keeping the costs of delivering electricity to families down is vital too. New network costs will push up standing charges and these are already baked in. But for future deals ministers and Ofgem should think harder about keeping costs down www.resolutionfoundation.org/publications...

14.01.2026 09:28 ๐Ÿ‘ 1 ๐Ÿ” 1 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Flex appeal โ€ข Resolution Foundation Britain needs to transform its electricity system for net zero, shifting from fixed prices to time-and-location varying tariffs. This could save ยฃ18bn annually by 2040, but it requires careful design ...

A key test is being able to use as much of this electricity as possible. This means changing how households interact with the energy system and pricing electricity to account for its different values at different times and in different places www.resolutionfoundation.org/publications...

14.01.2026 09:28 ๐Ÿ‘ 3 ๐Ÿ” 1 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Also good that floating offshore wind only accounts for <200 MWh of capacity โ€“ just 2 tiny projects being successful. There may be a long term role for floating offshore wind, but prices are too high (ยฃ216/MWh) for it to feature prominently now.

14.01.2026 09:28 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

8.4 GW is a good haul โ€“ right at the top of end of expectations. And ยฃ91 per MWh (ยฃ89 for one project) shouldnโ€™t see bills increase. Costs are high at the moment so this is probably the best that could be expected. Until interest rates come down we wonโ€™t see prices fall below those in earlier rounds

14.01.2026 09:28 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Offshore windfarm contracts to fuel 12m homes in Great Britain after record auction Subsidies guaranteeing price for each unit of clean electricity generated given to 12 renewables projects

Good set of results on offshore wind auction contracts โ€“ the DESNZ team should be praised for balancing the need to deliver a lot of new capacity with the need to keep prices down www.theguardian.com/environment/...

14.01.2026 09:28 ๐Ÿ‘ 18 ๐Ÿ” 7 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

A DESNZ CLEAN SWEEP

A package that saved at least ยฃ150 off the average household bill was the minimum this Budget needed to achieve to give Labour at least a fighting chance of getting to their ยฃ300 target, given the price rises next year. /1

26.11.2025 13:50 ๐Ÿ‘ 6 ๐Ÿ” 2 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 2

energy bill discounts doing the heavy lifting on bringing down inflation next year

26.11.2025 13:05 ๐Ÿ‘ 3 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1
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Big news on Fuel Duty - the 5p cut will be removed gradually from September. A good way to end this giveaway without pushing up inflation

26.11.2025 12:43 ๐Ÿ‘ 17 ๐Ÿ” 12 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 1
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So that's ยฃ125-ish off energy bills - ECO scrapped and 75% of renewables obligation costs moved into the tax system.

Big enough to offset bill increases coming next year, and most (~70%) of the savings coming from electricity bills instead of gas. Overall pretty good.

26.11.2025 12:41 ๐Ÿ‘ 9 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1

It's *possible* the Budget could be very green:
๐ŸŸข Focus all price cuts on electricity, not gas
๐ŸŸข Don't cancel Fuel Duty rises
๐ŸŸข Cushion future EV VED rise with public charger VAT cut & other support
๐ŸŸข Expand emissions pricing to long-haul flights & international shipping
๐ŸŸข Help lower interest rates

19.11.2025 20:33 ๐Ÿ‘ 10 ๐Ÿ” 3 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

In 'Splitting the bill' we found that if the Government removed some policy costs from electricity bills, it could save the average family ยฃ160, while pushing down on inflation.

Read here ๐Ÿ‘‰ buff.ly/z69JDpL

19.11.2025 10:44 ๐Ÿ‘ 8 ๐Ÿ” 5 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0