Home energy audit

Appliances × hours → kWh/month and cost; who eats the most

Appliances (h/day)

  • Fridge (150W)
  • Water heater (2000W)
  • AC (1200W)
  • Electric oven (2500W)
  • Washer (1500W)
  • PC/TV (200W)
  • Lighting (LED) (100W)
  • Heater (2000W)

Total per month

1 001 кВт·год

4 322 ₴

  • Heater360 kWh
  • Water heater180 kWh
  • AC144 kWh
  • Electric oven113 kWh
  • Fridge108 kWh

Real duty cycles folded into hours (fridge runs ~⅓ of the time). Water heater and space heater are usually 60–70% of the bill. Kill standby: ~10% of consumption.