Estimate daily household electricity demand and get a clear solar panel count recommendation for your home setup.
Set your local electricity and sunlight conditions.
Peak sun hours available for solar production each day.
Choose your local currency for estimated bill display.
Average cost per kilowatt-hour from your utility bill.
Enter appliance count and hours/day. Fractional hours are allowed.
AC Unit (W each)
Refrigerator (W each)
TV (W each)
Oven (W each)
Light Bulb (W each)
Fan (W each)
Water Heater (Gizzer) (W each)
Computer (W each)
Water Cattle (Kettle) (W each)
Rice Cooker (W each)
These values update instantly when you change any input.
Total Daily kWh
Estimated Monthly Bill
No. of Required 400W Solar Panels
Quick tips to understand your electricity usage and solar planning output.
The home energy usage calculator multiplies appliance watts by hours used per day and days per month, then divides by 1000 to return kWh. This gives a practical electricity cost calculator baseline for every device.
The solar panel calculator estimates panel count from your daily kWh load, local sun hours, panel wattage, and system efficiency losses. This reveals an actionable solar system size estimator for homes.
Use time-of-use tariffs, shift heavy loads to off-peak periods, replace high-watt appliances with efficient alternatives, and monitor your top energy consumers monthly for steady bill reduction.
Solar lowers operating costs, reduces carbon emissions, and improves long-term energy resilience. With battery storage estimates and payback tracking, households can make data-driven transition plans.
Use this page to model common home appliances, check daily kWh demand, and estimate monthly utility costs before sizing a rooftop solar system.