How much CO2 does each appliance emit?
The table below should give you an idea of which household appliances contribute the most to your energy bills and to your carbon footprint.
| Appliance |
Usage |
Per Use |
Cost per year |
kg CO2 per year |
|---|---|---|---|---|
Microwave Oven |
Twice a week |
0.945 kWh per use( based on 1.39 kWh for full power and 0.5 kWh for defrosting) |
£9.07 |
39 |
Washing Machine |
Every other day |
EU energy label A-rated gives an average consumption at 40°C using a 2kg load to be 0.63 kWh |
£11.78 |
51 |
Electric Tumble Dryer |
Every other day |
2.50 kWh per cycle |
£46.75 |
201 |
Kettle |
4-5 uses per year |
0.11 kWh per use based on heating 1 Litre of water |
£16.90 |
73 |
Gas Oven |
2-3 uses per week |
1.52 kWh per use |
£7.60 |
38 |
Gas Hob |
1 use per day |
0.9 kWh per use |
£12.16 |
61 |
Electric Oven |
2-3 uses per week |
1.56 kWh per use |
£21.08 |
91 |
Electric Hob |
1 use per day |
0.71 kWh per use |
£25.91 |
111 |
Dishwasher at 55°C |
2 uses per week |
1.07 kWh per use |
£11.10 |
48 |
Dishwasher at 65°C |
2 uses per week |
1.44 kWh per use |
£14.94 |
64 |
Fridge-Freezer A ++ spec |
24 hours a day |
206 kWh per year |
£20.60 |
89 |
Fridge-Freezer A+ spec |
24 hours a day |
270 kWh per year |
£27.00 |
116 |
Fridge-Freezer A spec |
24 hours a day |
408 kWh per year |
£40.80 |
175 |
Standard Light Bulb |
4 hours a day |
100 W |
£14.60 |
63 |
Low Energy Light Bulb |
4 hours a day |
18 W |
£2.63 |
11 |
TV comparisons (including cost / CO2 emissions when left on standby):
| Appliance |
Usage |
Per use |
Cost per year |
kg CO2 per year |
|---|---|---|---|---|
Primary TV – CRT (Cathode Ray Tube) 34-37 inch |
On Power |
198.5 W |
£47.09 |
203 |
Primary TV – CRT (Cathode Ray Tube) |
Standby |
4.2 W |
£2.68 |
12 |
Primary TV – LCD 34-37 inch |
On Power |
211.1 W |
£50.08 |
215 |
Primary TV – LCD |
Standby |
1.8 W |
£1.15 |
5 |
Primary TV - Plasma 34-37 inch |
On Power |
263.9 W |
£62.61 |
269 |
Primary TV - Plasma |
Standby |
3.6 W |
£2.30 |
10 |
Primary TV – Rear projection 34-37 inch |
On Power |
192.3 W |
£45.62 |
196 |
Primary TV – Rear projection |
Standby |
2.0 W |
£1.28 |
5 |
Digital TV Adapter, Terrestrial |
On Power |
7.1W |
£1.68 |
7 |
Digital TV Adapter, Terrestrial |
Standby |
6.4 W |
£4.09 |
18 |
Digital TV Adapter, Terrestrial – Recorder |
On Power |
17.6 W |
£4.18 |
18 |
Digital TV Adapter, Terrestrial – Recorder |
Standby |
11.3 W |
£7.22 |
31 |

