
What Standby Power Really Costs
Standby power is the electricity an appliance draws when it has finished its main job but is still plugged in and waiting. That little red light, the clock on the microwave, the set-top box that takes twenty seconds to wake up — all of them are quietly working through units on your meter, day and night, whether you are in the room or not.
The numbers are easy to remember once you have a rule of thumb: every watt left running continuously costs roughly £2 a year at current UK electricity prices. That sounds trivial until you start counting. A typical busy household carries somewhere between 20 and 40 watts of permanent standby load, which is £40 to £80 a year spent on nothing at all.
- A games console in "instant on" mode: often 10–15W
- A set-top box or streaming stick: 5–10W
- A printer left switched on at the wall: 3–5W
- A soundbar or AV receiver: 2–6W
- Chargers with nothing attached: 0.2–0.5W each
None of these are faults. It is simply how modern electronics are designed — and it is entirely fixable without giving up any of the convenience you paid for.
Where the Waste Hides in a Busy Home
Standby load is not spread evenly. It clusters in two places, and both are rooms where several devices sit together and stay plugged in permanently.
The entertainment corner. A television, a set-top box, a console, a soundbar and a games controller charging dock can easily total 25W between them when everything appears to be off. Because they are stacked in a cabinet and awkward to reach, nobody ever switches them off at the wall.
The home office. Printers, monitors, docking stations, desk lamps and speakers idle away through the evening and the weekend. A printer alone can burn through £10 a year just sitting there waiting for a job that arrives twice a month.
Kitchens and utility rooms matter less, but the microwave clock, the washing machine display and the tumble dryer's memory function still add a few pounds each. The good news is that the biggest savings come from fixing the two clusters, not from chasing every last half-watt.
Smart Plugs: Scheduling Without the Fuss
A smart plug sits between the socket and the appliance and lets you control the power from your phone, usually over Wi-Fi. Set a schedule once and the hard work is done: the entertainment cabinet loses power at midnight and comes back on at four in the afternoon, ready for the evening. The printer is live during working hours and dead at the weekend.
Two features are worth paying a little extra for:
- Energy monitoring, which shows what the connected device is actually drawing, so you can prove to yourself which items are worth switching off.
- Away or holiday mode, which cuts standby load while you are travelling — useful for the office setup you would otherwise leave humming for a fortnight.
Expect to pay £10–£25 per plug. Two or three, placed on the worst offenders, will usually pay for themselves within a year and keep saving afterwards.
Switched Sockets and Trailing Leads
You do not need an app to solve this. A switched socket, or a six-way trailing lead with individual switches, does the same job for a few pounds. The trick is placement rather than technology: mount the lead where you can reach it, label each switch with a small sticker, and the whole cabinet becomes a single flick at bedtime.
This is often the better answer in a household where several people share a room. A physical switch is obvious, instant and works when the broadband is down — which is more than can be said for a phone app.
Timers and Habits That Actually Stick
For appliances that need to run on a predictable cycle, a simple plug-in timer is ideal. A mechanical timer on the desk lamp, a digital one on the aquarium light or the broadband router's separate power supply keeps things running to a pattern without anyone remembering to intervene.
Habits matter just as much as hardware. A short "last one up" routine — lights off, television cabinet switch off, office lead off — takes about fifteen seconds and covers most of the savings in one pass. Pair it with a weekend check of anything that has been left in instant-on mode.
One caution: leave the fridge, freezer, router during working hours, alarm system and any medical equipment well alone. Standby savings should never come at the cost of something that genuinely needs to stay live.
Measure, Then Prioritise
If you want to know where your own money is going, borrow or buy a plug-in energy monitor and test each device for twenty-four hours. The results are often surprising, and they turn a vague intention into a short list of jobs.
Start with the two or three items that draw the most, deal with them using the cheapest method that suits your household, and leave the half-watt trickle alone. Done once, a well-planned setup of smart plugs, switched leads and timers will quietly save you £50 or more a year — and it will keep working whether anybody remembers to think about it or not.





John Doe
14 January, 2022Having no content in post should have adverse..
Chauffina Carr
10 April, 2022We use these tests all time! Killer stuff!
Jim Séchen
16 July, 2022Thanks for all the comments, everyone!