How Much Does It Cost to Run a Garbage Disposal in the UK? (2026)

A garbage disposal runs for seconds at a time. A half-horsepower unit draws around 550 watts, so even daily use adds only a few kWh a year.

A typical garbage disposal (550 W) costs £0.14 per hour, or about £0.22 per month at 0.05 hours a day in the UK. Cheap to run

Electricity price region

Hours used per day

Wattage	Per hour	Per day	Per month	Per year
Low 375 W	£0.099	£0.005	£0.15	£1.80
Typical 550 W	£0.14	£0.007	£0.22	£2.64
High 750 W	£0.20	£0.010	£0.30	£3.60

Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 0.05 h/day ≈ 10 kWh per year.

One hour of a garbage disposal (0.55 kWh) is the same electricity as

3.1km in an electric car
5.5hours of TV
12hours of a laptop
61hours of an LED bulb

Electricity per year at typical use, on a log scale: #10 of 95 appliances, from least to most.

In the UK, with electricity at 26.3p per kWh (source: Ofgem price cap 1 Oct–31 Dec 2026, 2026-10), a typical garbage disposal costs £0.14 per hour and about £2.64 per year at 0.05 hours a day. Each £1.00 of electricity buys roughly 6.9 hours of use.

How to lower the cost of running a garbage disposal

Run cold water, not hot, while grinding. Heating water costs more than the disposal.
Grind in small batches to avoid stalling the motor.
Keep it clear of fibrous scraps that make it run longer.

Frequently asked questions

How much electricity does a garbage disposal use?

Around 3 to 5 kWh a year with daily use, almost nothing on the bill.

Does a garbage disposal raise the water bill?

Slightly, since it needs running water while it works.

What is the biggest running cost of a disposal?

Water and, if you use hot water, the energy to heat it.

Cost by region

US states

Canadian provinces

Related appliances

Use the generic electricity cost calculator · Which uses more? Take the quiz