There are three types common in the residential market.
How much per solar panel to install.
The cost of installing solar panels depends on many factors but a u s.
Factoring in the cost of each component the cost of installing solar panels averages at around 7 9 per watt.
Installation of panels for the average 5kw system ranges from 11 100 22 400.
In order to find a range for number of solar panels we compared arizona and maine s solar panel production ratios 1 31 and 1 61 the highest and lowest in the u s.
Solar power systems are very custom based on the home roof type shading and utility.
For example a 5000 wattsolar panel installation would cost about 15 000.
The average cost to install solar panels is from 10 626 to 26 460 after tax credit for a 6kw to 12kw system to power an entire house.
Solar panel costs for an average sized installation in the u s.
With installation an average residential 5kw size system costs between 3 and 5 per watt according to the cse which results in the 15 000 to 25 000 range.
That cost is before any tax credits.
Homeowner can expect to pay around 3 per watt.
Each one has its own pros and cons from price to efficiency.
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.
Usually range from 11 144 to 14 696 after solar tax credits and the average price per watt for solar panels ranges from 2 51 to 3 31.
How does system size impact the cost of solar.
According to the u s.
Most solar panels last for 50 years have a 25 year warranty and start generating a return on investment after 8 years.
How many solar panels do i need for 1 000 kwh per month.
That means solar installation costs for a 5kw system would be between 25 000 35 000.
Energy information administration in 2018 the average monthly electricity consumption for a home in the united states was 914 kwh per month or about 30 5 kwh per day and 11 000 kwh per year.
The average solar panel payback period is 7 to 12 years and solar energy saves 600 to 2 000 per year on electricity costs.
We then took 11 000 kwh and divided it by the respective ratios and then divided that number by 250 the typical panel wattage.
These figures are excluding solar tax credits which reduce costs by 30 to around 10 500.
But every home is unique and could use more or less power than the average home.