Microwave clock & Cooker clock

viv0147

Out of curiosity do the clocks on appliances use very much power? Thanks

ariba10

Not enough to be able to be measured.

windup

everything is measurable, it should be in the manual, possibly 7 watts each which over a year adds up to around £15 in wasted electricity

ariba10

windup wrote: »

everything is measurable, it should be in the manual, possibly 7 watts each which over a year adds up to around £15 in wasted electricity

You appear to have very apropreate user name.

windup

You appear to be incorrect, my microwave uses 7.2Watts, as does my clock radio, which adds up to 126KWH/pa or £14.16 per year. That buys a lot of battery powered clocks, and removes the fire hazard

Robwiz

When I went around the house unplugging appliances, disconnecting our Panasonic Combi microwave reduced whole house consumption (as measured by a Wattson) by 40 Watts.

matelodave

My cooker (electric oven with clock & induction hob) takes about 70watts when not in use due to the touch panel controls.

The microwave is about 7 watts and our electric reclining chairs take 15watts each when just plugged in. There is also a drain from the washing machine, dishwasher and other appliances that have touch button switches. Shutting the computers & printers down overnight saves 50-60watts

Without much effort I can save about 200watts continuous waste = 200w x 8760 (hours in a year) = 1752kwh at 12p'kwh = £210 a year just by switching stuff off at the wall when it's not required.

System

Even when electric was cheap in the 90's i used to turn everything off at the socket, friends used to call me crazy (well greedy) but why have things turned on when there's no need.

And now what do my friends do, yip same as me and turn things off

r2015

I used to have a gas cooker with a fancy electric clock and timer, could even be set to turn the gas oven on and off at set times.


It used 100 watts, I found that out when I got a free monitor from Eon.


Then the clock became faulty.


It was cheaper to buy a new gas cooker than get the clock fixed, so I did.

ChumpusRex

It depends on the type of appliance, and whether it is reasonably modern (or meets modern energy efficiency regulations - a lot of ebay direct-from-China cheap stuff does not meet legal requirements and has fake legal approval logos on it).

Anything reasonably modern (2009 or later) is required to have very low energy consumption when in standby (unless needed for certain functions - like recording digital TV boxes, online consoles, etc.). In general, for modern mains powered digital clocks, phone chargers, microwaves, etc. I've tried and failed to measure their energy consumption with various types of meter - the power consumption is just too low to measure.

Older stuff could have quite high consumption - 5-10W would not be unreasonable for a digital clock, 10W for a microwave or set-top-box, 7 W for a phone charger. Stuff that was not UK designed (i.e. stuff direct from China, or stuff designed for Euroland) would often be much less efficient due the different mains voltage (The mains voltage in Europe is between 220 and 230V. The UK voltage is between 240 and 250 V. Both are officially called "230 V" - but stuff designed for Euroland voltage will suffer serious efficiency problems on UK voltage).

windup

if you've got a big glowing green/blue/red clock display, it's not going to be milliwatts.