THTC Meter

almaca

I had a THTC meter installed when I got storage heaters many years ago. I recently had these removed and replaced with modern thermostatically controlled radiators. However, I let them be connected to the THTC meter as I assumed it would be cheaper to run. I now realise that’s not necessarily the case and I wondered why. Would others advise me to have the THTC meter removed and just have one meter for everything? 

molerat

More than likely but you need to look at how much your total kWh use would cost on a competitive single rate tariff.  Removing storage heaters and replacing with modern radiators - hopefully not those widely advertised - was likely a costly mistake, changing the metering from THTC to a normal E7  would have likely been the most cost effective solution.

Gerry1

Sadly you've made the worst possible choice.  All you can do now to the limit the damage is to switch to the cheapest single rate tariff you can find, assuming that it's absolutely impossible to get gas or oil.

If you own the property and are likely to stay there for the foreseeable future then you could consider clever high heat retention storage heaters such as Dimplex Quantum on Economy 7, but they're not cheap so you'd have to evaluate the payback period carefully.

coffeehound

From  https://sse.co.uk/help/electric-heating/other-two-meter-tariffs

What are the times for THTC?

The specific times for the off-peak rate depends on the weather forecast for your area, but you'll get between 5 and 12 hours each day. THTC works by storing up heat in your storage heaters and hot water tank during the off-peak times.

Other electric heaters and heated appliances can also be used on the cheaper rate. The off-peak rate is available 24 hours a day for panel heaters, focal point fires, bathroom heaters, towel rails, the hot water boost and even electric showers. You'll need to get an electrician to make sure all those appliances are connected to your cheaper-rate meter if you're not sure.

If the new heaters are connected to the cheap(er) rate 24h supply, it shouldn't be costing any more to run than the storage heaters -- probably less.   Can you let us know the unit prices on your tariff, almaca, and your useage to get a better idea of the costs and whether E7 might be cheaper.