What are appliance running costs?
Appliance running costs are simply what it costs, in pence and pounds, to switch something on and use it. A dryer cycle, a shower, a fridge humming away in the corner, it all adds up on the meter whether you’re watching or not. Most of us have never actually worked out what our appliance running costs look like, we just watch the direct debit creep up and wonder why.
That’s the Do Nothing Default at work. Nobody sits down to add up appliance running costs for fun. Most households are guessing. Below are the numbers for the appliances that actually matter, worked out from the current Ofgem price cap unit rate.
Which appliances cost the most to run right now?
Anything that heats or spins for a long time costs the most, because heating water and tumbling wet clothes both use a lot of electricity. Here’s how the main culprits stack up under the current cap.
Tumble dryers
A standard condenser or vented tumble dryer typically costs somewhere around 45p to 55p a cycle. That’s based on the electricity unit rate under the current Ofgem price cap, 26.11p per kWh. A heat pump dryer uses roughly half the energy, so it tends to land closer to 20p to 25p a cycle. Doing four or five loads a week? That gap is worth knowing.
Electric showers and immersion heaters
A powerful electric shower can pull close to 9kW, so a ten minute shower often comes in around 35p to 45p. Leave an immersion heater on to heat a full tank and you could be looking at roughly 70p to 90p an hour, depending on the tank size and how hot you like it.
Dishwashers and washing machines
An eco cycle on a modern washing machine or dishwasher is usually the cheapest way to run either appliance, often somewhere around 15p to 30p a load. A hotter, faster cycle can roughly double that, since most of the cost is heating the water rather than the spin.
Fridges and freezers
These never switch off. So small numbers add up over a year. A typical fridge freezer is commonly estimated at somewhere between £70 and £110 a year to run, depending on its age and size, and an old freezer in the garage, still humming along on its own, is often the quietest drain in the whole house.
How the price cap affects your appliance running costs
Every one of these figures moves when the energy price cap changes, because the unit rate is what your appliance running costs are actually built on. Under the current cap, covering 1 July to 30 September 2026, the average dual fuel bill sits at around £1,862 a year for a typical household on a standard variable tariff, paying by direct debit, according to Ofgem.
That’s roughly 13% higher than the previous quarter. So the same dryer cycle or the same shower you ran in the spring now costs a bit more, for exactly the same result. Nothing about your habits changed. Just the price behind them.
A fixed deal can lock your unit rate for the length of the contract, which at least means your appliance running costs stop moving underneath you while the cap does its own thing. Roo would call that the boring bit sorted.
Simple ways to cut your appliance running costs
You don’t need to give anything up to bring appliance running costs down, mostly it’s about when and how you use what you already own.
Key takeaways
- Run dryers and dishwashers on eco cycles where you can, they’re built to use less water and less heat.
- Batch laundry into fuller loads rather than lots of half empty ones.
- Turn the shower down a notch, a shorter or slightly cooler shower makes a real dent over a year.
- Check an old second fridge or freezer is actually earning its keep, or unplug it.
- Use a smart meter to see which appliance is really driving your bill, rather than guessing.
None of this is glamorous, and it won’t undo a 13% rise on its own. But small swaps across a handful of appliances, kept up over a year, genuinely move the needle on a typical bill.
Are appliance running costs worth tracking properly?
Yes, if you’d rather know than guess. Once you can see the individual numbers, it’s far easier to spot the one appliance that’s quietly costing more than the rest put together, and decide whether it’s worth replacing, running less, or just leaving well alone.
It’s also a useful gut check before a big purchase. A cheaper dryer that costs more to run every week can end up pricier than the expensive one within a couple of years, once appliance running costs are factored in properly rather than ignored at the till.
Appliance running costs: your questions answered
- What is the current electricity unit rate under the price cap?
- Under the cap covering 1 July to 30 September 2026, the electricity unit rate is around 26.11p per kWh on direct debit, according to Ofgem. This is what most of the appliance running costs above are based on.
- Which single appliance usually costs the most to run?
- Anything that heats water for a long time, like an immersion heater or an old style electric shower, tends to top the list. Tumble dryers are usually close behind.
- Does a smart meter actually help lower appliance running costs?
- A smart meter won’t lower anything by itself, but seeing near real time usage makes it much easier to spot which appliance is the real culprit and act on it.
- Will switching energy supplier change my appliance running costs?
- It can. A fixed deal with a lower unit rate than the current cap brings every appliance running cost down slightly, since they’re all calculated from that same rate.
- Are older appliances always more expensive to run?
- Usually, yes. Efficiency has improved a lot over the last decade, so an old fridge freezer or dryer can cost noticeably more to run than a newer equivalent doing the same job.
