Why Standby Power Adds Up
Standby power is the electricity a device keeps drawing while plugged in, even when it's switched off. Devices that listen for a remote signal, keep a clock running, or maintain heated water use more standby power than most people realize. It is invisible day to day, but accumulated over 24 hours it becomes a real line item on your electricity bill.
This calculator turns appliance type, standby hours, and your electricity rate into daily, monthly, and yearly waste cost instantly. Set-top boxes and water dispensers are usually the biggest offenders, and simply switching off a power strip when devices are idle can meaningfully cut your annual bill. The comparison table also shows which of your household appliances waste the most standby power at a glance.
During peak billing seasons, trimming standby power alone can produce a noticeable savings. Standby-cutoff power strips or smart outlets automate the process so you don't have to remember to unplug anything.
Frequently Asked Questions
Standby power is electricity a device keeps drawing while plugged in, even when turned off. Devices with always-on features like set-top boxes or water dispensers tend to use the most.
Using a switchable power strip to fully cut power when devices are not in use is the most effective method. Standby-cutoff outlets can automate this without extra effort.
Most appliances draw some standby power unless physically unplugged. Devices that listen for remote signals or keep a clock or timer running tend to draw more.