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HOME ENERGY / LOAD PROFILE

Home Electricity Load Calculator

Estimate daily and monthly energy, coincident peak watts, and energy cost from continuous and intermittent household loads.

  • 01 Calculated in this tab
  • 02 Values stay in this browser tab
  • 03 Use boundary

Conversion input

Known value

Filter by unit name, symbol, or code. Your current selections remain available.

Daily load groups

Peak assumption

Cost assumptions

Preparing the calculator...

Use boundary

Calculation path

Each load group creates daily kWh from watts and hours; thirty days creates monthly energy and coincidence estimates peak.

Calculation path

Daily kWh = sum(load watts x daily hours) / 1000; peak watts = connected watts x coincidence factor.

What you provide

What you provide

  • Continuous-group load: Combined watts for the first household load group.
  • Continuous-group hours: Average daily operating hours for the first group.
  • Intermittent-group load: Combined watts for appliances with a shorter schedule.
  • Intermittent-group hours: Average daily operating hours for the second group.
  • Coincident demand factor: Share of combined connected watts expected at the same time.
  • Electricity tariff: Price paid for one kilowatt-hour of electricity.

What you receive

What you receive

  • Estimated monthly kWh
  • Monthly energy cost
  • Coincident peak watts and daily kWh

Use boundary

Choose the maximum decimal places shown. This does not increase source accuracy.

This two-group profile is for planning, not service sizing; motor surge, phases, power factor, diversity, tariffs, and code loads differ.

This is an educational planning result, not a structural, electrical, thermal, solar, battery, generator, or safety design. Confirm specifications, units, codes, and professional requirements before acting.

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