Assuming electricity cost of ~0.20€/KWh, every 1W of always-on device costs you ~1.75€ per year (0.001 * 24 * 365 * 0.2 = 1.752).

So that old TV that sips 30W on standby costs you 50€ per year to have plugged in.

https://ec.europa.eu/eurostat/statistics-explained/index.php?title=Electricity_price_statistics#Electricity_prices_for_household_consumers

#Energy #Cost #NapkinMath #RuleOfThumb #AmIDoingTagsRight