How much does it cost per year?

With 2 times a week it uses about 125 kWh a year: about $22 · £32 at $0.18/kWh and £0.26/kWh.

Don’t lift the lid: each time it takes 15–20 minutes to recover the heat. Fill it at least halfway: half empty, it uses almost the same.

🍲 Slow cooker

How much electricity does a slow cooker use? Cost of 8 hours cooking

Slow cooker electricity use per cook and per year, and comparison with the oven and hob.

Per cook

1.2 kWh

Cost per cook

$0.216 · £0.312

Per year · 125 kWh

$22 · £32

With 2 times a week, electricity at $0.18/kWh and £0.26/kWh all-in.

A slow cooker draws only 150–250 W: even running 8 hours it uses about 1.2 kWh, a fraction of what a stew would cost in the oven.

For the lowest consumption, an electric pressure cooker makes the same dish in a third of the time with about a third of the energy.

Type	Usage	kWh/year	Cost/year
Low setting, 8 hours	1.2 kWh / cook	125	$22 · £32
High setting, 4 hours	1 kWh / cook	104	$19 · £27
Electric pressure cooker (40 minutes)	0.4 kWh / cook	42	$7 · £11
Electric oven for 3 hours, for comparison	2.5 kWh / cook	260	$47 · £68

Yearly cost with 2 times a week.

Work out your cost

Energy per cookkWhTimes per weektimesElectricity price$/kWh

The price is a typical all-in figure for your country: replace it with yours (bill total ÷ kWh).

How much electricity does a slow cooker use?: About 1.2 kWh per cook, from 0.5 kWh to 3 kWh depending on model and programme.
How much does it cost per year?: With 2 times a week it uses about 125 kWh a year: about $22 · £32 at $0.18/kWh and £0.26/kWh.
How can I reduce it?: Don’t lift the lid: each time it takes 15–20 minutes to recover the heat. Fill it at least halfway: half empty, it uses almost the same.

And what does your whole home use?

The calculator estimates heating, hot water and appliances and tells you what to change first.