RTS SHUTDOWN AND THTC

QrizB · 13 June at 4:07AM

It’s clear from the responses so far that there’s still a fundamental misunderstanding of what THTC actually is, how dual‑MPAN systems work,

I think we understand well enough.

We just don't think there's any chance EDF will give you what you're asking for.

You might as well be demanding that Tesco sell you Spangles.

MattMattMattUK · 13 June at 7:25AM

It is entirely reasonable for suppliers to dismantle legacy tariffs that loose them money, it is up to the consumer to manage their energy usage based on tariffs available.

MWT · 13 June at 10:05AM

https://forums.moneysavingexpert.com/discussion/comment/82033313#Comment_82033313

The idea that this is all perfectly reasonable while suppliers dismantle legacy tariffs in plain sight is the real fantasy here.

I can easily see why you would want to be able to access artificially low rates for your heating, most people would like to do the same I expect, but it is unclear why you feel it is reasonable to continue to expect that to continue after the dismantling of the original infrastructure that enabled it to work.

There are often solutions to a problem that may be technically possible but are not commercially viable and this feels like on of those…

Equivalent is not the same as identical…

MWT · 13 June at 11:53AM

You seem to be taking the provisions that were put in place to make sure you could access the same single-rate tariff options as customers without complex metering to mean that you have a perpetual right to have a complex metering based tariff even after your metering solution ceases to operate.

The intent was not to disadvantage you when compared to other customers while the necessary metering changes for the end of the RTS system came were executed.

Nothing I'm reading in the Ofgem rules required suppliers to replicate the THTC metering system, and nothing I've seen requires them to offer an identical tariff to the ones designed for THTC metering.

… and it seems that attempts to do that have not been particularly successful…

QrizB · 13 June at 12:43PM

I can see you're convinced that you're right and everyone else is wrong.

I don't see any benefit from continuing to discuss this, as we;re not going to convince you and you're not going to convince us.

Please let us know if you succeed.

MWT · 13 June at 1:02PM

Good luck, I suspect you are going to need it…

Ildhund · 13 June at 2:11PM

@[Deleted User] wrote:

All you have to do is show me where I’m wrong.

You referred to SLC28 which you seem to think applies to the RTS cut-off and consequent changes. I just had a quick look at that SLC and see that it is referring solely to a 'metering change' from credit to prepayment, not the exchange of a THTC arrangement for a smart meter. I would suggest you read Ofgem's decision of 5 March 2026 about changes to the SLC in respect of the RTS cut-off. For example, you will see on p. 7 that:

Ofgem considered whether there was a need to further protect consumers in addition to existing obligations by requiring that suppliers leave
RTS consumers ‘no worse off’ in tariff terms following a smart meter replacement. The main objective of this proposed obligation was to ensure consumers were being offered a tariff which best replicated their arrangement prior to having their RTS meter replaced or was cheaper than their former tariff.

The last couple of pages of the document give a précis of the changes to be made to the SLC.

doodling · 13 June at 3:35PM

For a start, I think you have misunderstood "detriment".

In you case, detriment would be that you couldn't access the normal range of tariffs that any other person with a smart meter could access; it is nothing to do with whether your costs increase.

QrizB · 13 June at 4:14PM

I agree that SLC28 is all about prepayment meters and doesn't seem relevant here.

SLC 22D recognises that tariffs can become "dead" - unavailable to new contracts - and that in those circumstances the supplier can switch customers to the cheapest relevant current tariff.