Estimate Solar Panel Requirements For A Home

One solar thermal panel generates enough energy to power a hot water heater for a family of four.

Estimate solar panel requirements for a home.

A home that consumes 1 000 kwh per month will normally need between 20 and 30 solar panels. The number of panels you need for your house depends on factors like location and panel performance. An average homeowner needs 28 to 34 solar panels to fully offset their electricity bill with solar. The number of panels needed depends on your location and roof size.

Todd and the rest of the wholesale solar team are here to answer any questions you have about designing a system that will fit your needs. Compare solar quotes on the energysage marketplace customized to your property and energy needs. The power generation capacity of a solar panel is given in watts. The exact number changes depending on the specifications of the chosen panel model as well as the sunshine available at the project site.

In the example above you would need 24 solar panels to account for 80 of your average consumption 29 6 kwh daily usage divided by 1 24 kwh per panel. In the example dividing 3 940 w by a panel s 200 w rating calculates 20 panels needed to sustain your entire house. The average family uses 11 000 kwh per year and needs 26 to 33 solar panels to power the whole house. Dividing your hourly requirement by the solar panels wattage calculates the total number of panels you need.

In california where the average system required is 4 23 kw solarreviews research data shows that the average solar panel installation cost as of jan 2020 is 2 78 per watt meaning the 4 23 kw system would be 11 753 before the solar tax credit and 8 701 after the federal tax credit. The photovoltaic pv solar panels are used in residential installations come in varying wattages from 150 watts to 370 watts per panel. You calculate the power supplied or calculate a solar energy system output from the panel to the battery using its watts peak and exposure. Updated june 25 2020 a typical american home will need 14 36 solar panels to cover their power bill and at least 227 square feet of rooftop space to accommodate the solar panels.

Follow along to calculate the amount of solar panels your specific home will need.