Thinking about switching to solar? This no fuss calculator will estimate the amount of solar panels and batteries needed to completely replace your grid-power with solar.
How This Calculator Works
This tool is only an estimator. It is programmed to slightly overestimate the size of your system to take into account cloudy days, position of panels, and other factors that could inhibit the efficiency of the panels, so that you never run out of power.
What Do These Numbers Mean?
If none of this makes any sense to you, just check out my ultimate guide to buying solar. You’ll be an expert by the time you come back here.
What Household Feature Uses the Most Power?
Swimming pools! Swimming pools use an abundance of power to pump and filter the many thousands of gallons of water they hold. A large swimming pool can use up to 15,000kWh per year! Scroll down to find out how much power other common household items use…
How Much Power Do We Use?
-
01
Air Conditioning
Air conditioning units use between 1 – 3kWh per hour.
-
02
Water Heater
Water heaters use an average of 380 – 500kWh per month.
-
03
Ovens and Stoves
Ovens on average use about 2.3kWh per hour. Stovetops use between 1 – 1.5kWh.
-
04
Refrigerators
Refrigerators and freezers use between 35 – 150kWh per month.
-
05
TVs
Televisions use less than 0.02kWh up to 0.14kWh, depending largely on the size of the TV.
-
06
Computers
Computers use very little power compared to other devices and appliances. On average, they use about 0.001 – 0.08kWh per hour.
-
07
Lights (CFL/LED/Halogen
Modern lights use between 0.008 – 0.3kWh per hour.
