Phantom Load: What Standby Power Really Costs (and What to Ignore)
Updated September 2026
Bottom line: Everything that's plugged in and supposedly off (TVs, consoles, cable boxes, coffee makers with clocks) usually adds up to 5 to 10% of a household bill. At average rates that's $100 to $200 a year. The catch is that it isn't spread evenly. A game console in instant-on mode, an old cable DVR and a desktop that never really sleeps can make up half of it, while phone chargers and LED clocks cost pennies. Go after the big few and leave the rest alone.
Where the phantom watts actually live
The list of real offenders is short. Game consoles in instant-on or rest mode pull 10 to 15 watts around the clock. Cable and satellite DVRs sit at 15 to 25 watts whether they're recording or not. Add older AV receivers, desktop PCs that 'sleep' loosely, and any power brick that's warm to the touch while doing nothing. Each of those costs $15 to $40 a year at average rates.
The things people actually worry about are mostly innocent. A phone charger with no phone attached draws well under half a watt, so under a dollar a year. LED clocks are similar, and modern TVs are required to idle under a watt.
Unplugging the toaster is theater. Turning off instant-on on the console is an actual line on the bill.
One evening, one meter
You don't need to guess. A $20 plug-in meter and one evening will map the whole house: measure each cluster (the TV stand, the desk, the kitchen counter) with everything switched 'off', and write down the watts.
The conversion is easy. Watts times 8.76 gives kWh per year. Multiply by your rate and you have dollars.
Say the TV stand reads 34 watts while off: an Xbox in instant-on, a cable box, a soundbar and an old receiver. That's about 298 kWh a year, or $51 at 17¢. The desk reads 12 watts, another $18. The kitchen, with the microwave clock and coffee maker, reads 4 watts. That's $6, and not worth another thought. Now you know exactly where the $69 lives and which $6 to ignore.
Fix it in this order
Settings first, because they're free and permanent. Put consoles in energy-saving mode (start-up takes maybe 30 seconds longer), turn off 'quick start' on the TV, and tighten the PC's sleep settings.
Then a plain switched power strip for any cluster you'd naturally turn off together, like the AV stack or the desk. One thumb press instead of crawling behind furniture.
Smart plugs come last. Each one draws around a watt itself, so they only earn their keep switching a real load on a schedule. A smart plug guarding a phone charger costs more than it saves.
What to leave alone
Some standby is doing a job. The router and modem are the house's nervous system. Anything with a spinning hard drive dislikes hard power cuts. Fridges, security cameras and the controls for your HVAC or heat-pump water heater need to hold their schedules. Kill the dumb standby; don't fight your own infrastructure.
And keep it in proportion. Doing the whole phantom project well saves maybe $100 to $150 a year in a typical home, which is worth an evening. But one degree on the summer thermostat, or dialing a water heater from 140°F down to 120°F, competes with the entire category on its own.
FAQ
How much does phantom load cost per year?+
Typically 5 to 10% of the bill, or $100 to $200 a year for an average home. Most of it sits in a few devices: consoles in instant-on, DVRs, sleeping desktops and old AV gear. Small chargers cost under $1 a year each.
Should I unplug appliances when not in use?+
Only the ones that matter: game consoles, AV stacks and desktop setups, ideally through one switched strip per cluster. Phone chargers, clocks and modern TVs in standby cost pennies, so unplugging them is effort without reward.
Do smart plugs save electricity?+
Only when they switch off a real standby load on a schedule, and each smart plug draws about 1 watt itself. They pay off on big clusters like an AV stack or gaming setup, not on lamps and chargers.
Is a plug-in electricity meter worth buying?+
For about $20, yes, if you have more than one entertainment or desk setup. One evening of readings shows which clusters cost $30 or more a year and which cost pennies, and the meter stays useful for checking fridges, dehumidifiers and space heaters later.