How Much Are Solar Panels To Power A House

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.

How much are solar panels to power a house.

How many solar panels to supply an average household. Therefore the more solar panels you are going to need. Sunshine hours per day x solar panel wattage. An initial solar panel installation for a home could cost you 5000 35 000 including solar panels installations rebates taxes and incentives.

The average installation cost of solar power in canada is 3 01 watt or 22 500 for a 7 5kw system. However the cost of solar power changes depending on the size of the system required your eligibility for solar incentives the type of equipment used and even on the province that you live in. The amount of energy that solar panels can absorb and then produce is measured in kilowatts kw. How many solar panels do i need to power my house.

With solar panels there s a pretty wide range of efficiency from around 16 up to 23. Garrison stated that the typical home is approximately 1 500 square feet with electrical costs of about 100 per month. To get these numbers we used high and low panel production ratios to calculate how many solar panels are needed on average. According to gauteng based solar power specialist company nexsolar the cost of solar power installation can range from around r63 000 to r200 000 depending on the size of the house and electrical output requirements.

The amount of energy your home uses over a certain timeframe say a month is measured in kilowatt hours kwh. A residential system has an average installed price of 3 per watt. More precisely the last 12 months of your bills so you include summer and winter months as energy consumption varies throughout the year. Such a house generally needs about 16 panels to completely cover electrical power needs.

He she will also help you in knowing how much solar panels cost to install. To calculate how much electricity a solar panel generates you ll need to use the following multiplication. Solar panels range in size from about 240 watts up to 370 watts per panel. Use the highest efficiency solar panels you can.

To find out your average energy usage check your past utility bills. An 80sqm house for example would require 2kw of power per day and this system would cost approximately r63 000. To size a solar system correctly the best recommendation is getting in touch with a qualified solar contractor. According to solar energy group an average homeowner spends approximately 20 000 for a 5 kilowatt solar system which will take them around 12 years to pay off.

That s almost a 50 difference so switching from cheap panels to the highest efficiency ones on the market can dramatically reduce the number of panels you need. A mid range solar panel is usually about 300 watts so we ll use this in our example.