Zachary Leather
@zackleather.bsky.social
2K followers 1.6K following 75 posts
Climate policy @resfoundation.bsky.social
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Reposted by Zachary Leather
jamessmithrf.bsky.social
This is good from Simon Wren-Lewis on why the country's fiscal woes are not caused by OBR forecasts, the bond market or (most improbably) the frequency of fiscal forecasts.
sjwrenlewis.bsky.social
This weeks post: Misunderstandings on the left (and elsewhere) about the OBR, independence and the bond market mainlymacro.blogspot.com/2025/09/misu...
The government delegating some technical tasks to independent experts doesn't create a democratic deficit, but it does avoid wishful thinking.
Misunderstandings on the left (and elsewhere) about the OBR, independence and the bond market
I often see pieces from those on the left criticising the OBR. Here is Louise Haigh , for example, talking about the “rigid orthodoxy of t...
mainlymacro.blogspot.com
Reposted by Zachary Leather
jonnymarshall.bsky.social
Most of this change in energy bills being driven by an increase in standing charges, which are up for both gas and for electricity into Q4
Reposted by Zachary Leather
resfoundation.bsky.social
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zackleather.bsky.social
With CCC estimating that EVs will soon be cheaper than conventional vehicles, and demand already on track for our regulations, it's hard to see why we need the extra subsidies announced recently - esp. as they'll be regressive, with most new cars bought by richer households
zackleather.bsky.social
New data further proof that the ZEV mandate is doing its job - SMMT reckons we'll hit 23.8% BEV this year - 4 points up on 2024 and more than enough to meet the ZEV mandate's 28% target with all its flexibilities.
drsimevans.carbonbrief.org
NEW DATA: UK car market continues shift to electric

EV +9.1%
PHEV +33.0%

Petrol -14.7%
Diesel -7.9%
Hybrid -10.0%

Data from SMMT
zackleather.bsky.social
We think Government can play a role to ensure the savings from consumer flex are big and shared fairly - such as by making those with lots to contribute do their bit.

Reforming the price cap (which was never meant for a flexible world) is one option

www.resolutionfoundation.org/publications...
Flex appeal • 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 £18bn annually by 2040, but it requires careful design ...
www.resolutionfoundation.org
zackleather.bsky.social
But not much detail yet on what it means for consumers, and how the savings will be shared. Reform in the retail market is critical here, so good to see that DESNZ/ Ofgem are working out the options (more from them in March 2026)
zackleather.bsky.social
Good to see the flexibility roadmap out today. Flex is key to a cheaper energy system, so great that Gov is committed to this. Especially big savings coming for those with big techs like EVs and heat pumps.

www.gov.uk/government/p...
Clean flexibility roadmap
A roadmap setting out the government’s vision for a clean, flexible, consumer-focused electricity system.
www.gov.uk
Reposted by Zachary Leather
jonnymarshall.bsky.social
Shame to see rising block tariffs suggested. A bad idea for poorer families that use lots of energy, but also not great for incentivising people to consume more electricity in electric cars or heat pumps
jessicaelgot.bsky.social
Ed Miliband has been urged by more than 100 Labour MPs to explore overhauling UK energy bills.

He is understood to be considering a number of options for progressive energy pricing, inc discounts for the least intensive consumers – known as rising block tariffs

www.theguardian.com/environment/...
More than 100 Labour MPs urge Ed Miliband to explore radical energy bills overhaul
Living Standards Coalition writes to energy secretary calling on him to do more to help struggling households
www.theguardian.com
zackleather.bsky.social
A significant majority of electricity is used by industry. The actual split depends on a whole host of factors that are challenging to predict, but a cheaper electricity system certainly won't just benefit households
zackleather.bsky.social
But this will inevitably affect some vulnerable households so must be balanced with consumer protection - a time of use price cap, seeing fixed prices in peak and off-peak hours, is one way to manage the risks posed by fluctuating prices.
zackleather.bsky.social
One way of doing this is setting a usage limit on the price cap - exposing those with power hungry technologies (and thus high electricity use) to price signals.
zackleather.bsky.social
We should start by making sure that households with the most 'flexibility' to contribute do so - that's those with big electricity intensive technologies like electric vehicles.
zackleather.bsky.social
That would be a big shift for households, who largely pay the same price for electricity at all times of the day
zackleather.bsky.social
Exposing more of us to price signals that shift energy use to times of the day when electricity is cheaper could save the system £14 billion a year by 2040 - or £160 per household (around four times the savings of zonal pricing).
zackleather.bsky.social
It's a shame that zonal pricing won't happen (but about time we make the decision!). The good news is that when it comes to electricity price signals, zonal isn't where the biggest gains are
zackleather.bsky.social
That way we can get the balance right between exposure to price signals, making our system more efficient, and consumer protection that makes sure the market works for families.
zackleather.bsky.social
So we need consumer protection too – a new regulated time-of-use with caps for peak and off peak would set consistent and fair prices for all who want or need a variable tariff.

Crucially, this would also protect from short term price volatility that families can't be expected to manage
zackleather.bsky.social
But that risks hitting other household types like big families and those with electric heating.
zackleather.bsky.social
That’s why we recommend a usage cap, with the tenth highest electricity-use households (using over 5MWh a year) prevented from staying on the fixed price cap tariff, encouraging a move to time-of-use pricing.