Electricity price predictions

MattEngineer · 2021-12-03T18:39:26Z

When the energy cap comes up for renewal I think it will rise to 26.5p per unit, any thoughts of the collective?

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Jeff

(@jeff)

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Joined: 4 years ago

Posts: 519

18/11/2025 1:31 pm

Posted by: @batpred

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Posted by: @jeff

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The savings are assessed by looking at what will happen if we don't have LDES. So like a lot of net zero things it doesn't necessarily mean our bills will be lower than they are now, just lower than than they would have been if we didn't have LDES.

It makes sense to me. LDES would reduce the dependency of the grid on fossil fuel sources during long periods of no wind, low PV production, therefore constraining price increases (since net 0 will lead to further reductions in fossil fuel based generation).

My thinking is investments on large scale storage that would also deliver power during peak day hours would reduce the number of days when the electricity prices are dictated by the (expensive) fossil fuel generators.

I am sure other forum members have a better view...

If you want to read more, here is another consultation, this time on dispatchable power generally like LDES, but also new gas plants.

Potential changes to the Capacity Market, which is a component on our bills.

https://www.gov.uk/government/consultations/capacity-market-proposed-changes-for-prequalification-2026

There are a lot of decisions being made, locking in costs for the next 20 years to encourage private sector investment.

Certainly going to be interesting how it all evolves and what are bills look like. There will be a lot more inflation linked and regulated costs than we are used with fossil fuels.

@transparent has been a passionate support of zonal pricing and home storage, although the government appear to be primarily going for private sector large scale solutions to date and locking in costs every year.

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Batpred

(@batpred)

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18/11/2025 1:52 pm

Posted by: @technogeek

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3. Batteries can have a major impact on domestic bills, hence why I am currently embarked on installing a large battery system with some solar.

I found this to be the case, even without an ASHP. Curious on your thoughts on my hybrid inverter and experience with the battery.

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Transparent

(@transparent)

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Posts: 2733

18/11/2025 2:24 pm

Posted by: @technogeek

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homes should be financially supported to install batteries which can be controlled by the local network operator for charging cycles

Whilst agreeing that we need to place storage batteries in the home, your suggested control mechanism is unaffordable and decreases grid resilience.

The local substations from which those home-based batteries would be recharged are unmonitored.
There are 550,000 of them.

Those few which have been monitored as part of 'trials' have cost about £10k each, plus ongoing costs to install and maintain a communications system to gather the data.
You then require a data centre and some clever software to calculate the available network capacity on the 11kV cables supplying those substations.

Giving any third-party control over assets within the home is fraught with ethical difficulties, liabilities for failures and vulnerability to cyber attack.

DESNZ is going to find this out once they start issuing licences for 3rd-party agents to turn off heat-pumps within homes.

The cheaper and simpler solution is to use autonomous control mechanisms.

It's possible for micro-controllers to gather the required data without human interaction, and then recharge a battery when it is most efficient to do so.
There's no need to collect that data in a central location, and therefore the system would be very difficult to disrupt.

It also prevents the mechanism becoming monetised by organisations in the energy sector.

Save energy... recycle electrons!

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