Appliances & utilities
Check standby power before replacing an appliance
Measure an appliance’s waiting power, compare useful settings and calculate realistic annual savings before deciding whether replacement makes financial sense.
The planning bench
Appliance energy cost
Estimate energy use and variable cost from power, operating time and your own tariff.
Your measurements
An estimate you can verify.
Check measurements and units before ordering. Round up only where whole packs or tins are required. Keep your supplier’s specifications and your own actual usage records.
Useful reading
Put the result in context.
Appliances & utilities
Read an electricity bill before changing your habits
Trace a higher electricity bill through billing days, meter readings and tariff lines, then choose one useful change and check whether it made a difference.