How quickly should we expect supermarket prices to go up?
Seem to remember in 21/22 they were pretty exposed to logistics costs
How quickly should we expect supermarket prices to go up?
Seem to remember in 21/22 they were pretty exposed to logistics costs
bsky.app/profile/soci...
Top notch trolling here by the engineers of their frenemy, the architects
Yes!
1kW EAHP CoP3 cools the air by 3deg, needs airflow =
1kJ/s Γ· (3deg * 1.2 kJ/mΒ³deg) * (CoP-1)/CoP * 3600s/h
= 670 mΒ³/h
For 10W/mΒ² => 100mΒ² floor area x 2.5m ceiling
=> 2.7 air change/hour
bit too high? EAHP preferably much smaller w/ ohmic supplement.
Ventilation is best continuous?
The discount is how EU rents GB's infrastructure, which receives LNG in Wales and Norwegian pipelines in Scotland and sends gas on to EU from Norfolk?
That's not changing, but in the short term EU has more storage than GB, so GB is more exposed. In med term EU will need to refill said storage?
I have a soft spot for Exhaust Air heatpumps because they recover the 50% of exhaust air heat that is in the form of latent heat, which "high efficiency" MHRVs cannot touch, and so ignore.
But market experience in UK has not been receptive, seems over-ventilation needed to generate enough DHW.
"All caΓh is fictional, virtual, and entirely made up, much like Deutsche Bahn's timetable"
"By creating an account, you have moved to Schleswig-Holstein. Your new postal code is 24103. You now speak rudimentary Danish.
We are not accepting appeals at this time."
Love it! πππ
bahn.bet/about
Think the hwy code changed on this recently, but still widely ignored
"At a junction you should give way to pedestrians crossing or waiting to cross a road into which or from which you are turning"
www.gov.uk/government/n...
Also the above is through a lense of 20thC economic/political rationalism.
Carney's speech said that's all bunk now, it's now about who has power to kick whom the hardest.
Agree, but
a) not sure how much difference 18bcfd would make to voting intentions (would have to have a massive/immediate effect on US inflation to get noticed enough in time)
vs
b) crashing euro+seasia economies would also affect US inflation
Isn't the US stated strategy to have "Energy Dominance" by holding the coercive threat over EU that they might turn off the taps?
Holding that card is more powerful than actually playing it?
(not referring to commentary from Dan, to be clear!)
03.03.2026 09:29 β π 0 π 0 π¬ 0 π 0
Mmm those Octopus graphs are for overnight wind (for IOG tariff). They don't include solar - 7GW today plus imports - and don't factor in demand - much less today than in January.
We've seen 40p+ on similar days last months, but not 50p+
Have noticed lots of commentary that :
"most products from the Gulf go to Asia"
and in the same breath
"if US cut off our LNG supply we'd just buy from somewhere else"
These cannot both be true
Disruption to globally traded and globally priced commodities, hits everyone who buys them.
That was quick
02.03.2026 19:33 β π 0 π 1 π¬ 2 π 0Mind out for all those battery sounds though π
02.03.2026 14:53 β π 0 π 0 π¬ 2 π 0
Europe/UK energy prices gone up +50% so far this morning
I wrote this reply and had to redo it as prices went up by another 5% while I was typing
Yes that is a lot of power to take from the grid
The whole of Scotland only consumes around 2500 MW total
The Torness nuclear power station produces around 600MW per reactor
Would be interested in how this categorisation works in US?
In UK there is a list of nationally-important consumers who shouldn't be load shed, but including: oil refineries, airports, some banks, some military bases.
However the Heathrow blackout incident exposed this is not working very well.
One kJ of electricity can be converted to 10 kJ of space heating and vv (said Carnot) but Sankey diagrams show them as 1:1 equivalent.
Next step should be to plot Sankeys on a scale of "what could I have usefully done with this energy?"
Could call that entropy but that might scare people!
Well, my friends with EVs but no driveways tend to charge at work (private) or at the gym (private) or at the pub (private) or at the supermarket (public).
So there will be plenty of market for both private and public chargers, but we don't need a direct replacement of all petrol pump capacity.
The majority of EVs are charged at private chargers, whereas virtually all petrol cars are fuelled at public petrol pumps. So we don't need parity between public chargers and pumps.
There are now around 1.1m chargers (private+public) so coincidentally that is close to 18x the number of pumps!
Slightly related: a central government organising councils
www.wales247.co.uk/wales-launch...
The hydrogen buses are/were legally owned by the City Council, not by First Bus.
The city council will sell them, maybe First Bus will buy and convert them.
Aberdeen also has an electric bus fleet, a number of those are diesel buses that have been converted ('repowered').
Aberdeen is the head office of the First bus group (which grew out of Grampian Transport!) so there are quite a few trial/novelty things there
wrightbus.com/en-gb/NewPow...
Aberdeen had its own previous hydrogen bus trial 2013-2019 that seemed quite successful at the time and would have been fresh in the mind of the bus operator, they had kept the buses running after the trial.
By 2020 the rapidly improving EV bus alternative should have been visible to them though.
At the same event they announced 1900 new electric buses, to add to the 2200 existing ones in that programme.
28.02.2026 14:22 β π 1 π 0 π¬ 1 π 0
Think it was supposed to be a research project funded by the EU, wasn't supposed to be stand-alone economic on its own merits. There were diesel-hybrid and electric buses too, and hydrogen road sweepers and the like.
Should have stopped when the funding ran out.
cordis.europa.eu/docs/results...
I remember riding the original Aberdeen single decker hydrogen buses about 2015, they were widely seen as forward looking and successful at that time. (The refueling electrolyser worked then too!)
Sometime later, EV buses came onto the market and have rapidly 'overtaken' the H2 buses.
Not really my area, but I understand that the issue with electricity distribution is evening EV charging - the power draw of a heatpump is much less than an EV charger. CCC wrote about this iirc.
Conversely, if heatpumps and EV chargers can timeshift load in a smart way it actually helps the grid.
Computer Aided Design software including Finite Element Modelling
This allows us to build everything lighter thinner and more efficiently than we used to - bridges, aircraft, cars, tin cans - so use less fuel and materials.