Start with your estimated system price which this calculator provides you.
Calculate cost of solar panels.
The solar panel system s price is calculated by the power price calculator.
Most solar panels last for 50 years have a 25 year warranty and start generating a return on investment after 8 years.
Cost of installing solar panels after rebates and incentives.
Some tools like the solar estimate calculator estimate the system size for you.
The most recent official data from the doe funded lawrence berkeley labs published in september 2019 found that the median cost of residential solar panels is 3 70 watt.
Our calculator can easily determine how many solar panels you need just by using the cost of your most recent electric bill.
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.
These metrics help you calculate the kilowatts required from your solar panel setup.
Divide the result by your.
Using our tool we factor in.
Divide that number by the cost of electricity from your local utility company.
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.
However solarreviews handles more than 1 000 quote requests per day and the current average price we see on our marketplace is 2 60 per watt.
To calculate the number of solar panels needed for your solar power system we use the metrics below.
Here s a simple way to approximate your solar roi return on investment.
With installation an average residential 5kw size system costs between 3 and 5 per watt according to the cse.
The easiest way to calculate the average cost of solar panels is to look at its price in dollars per watt w which is relatively consistent across the united states.
To calculate solar panel cost for your home it is first necessary to calculate how many solar panels are needed to power your home.
The average solar panel payback period is 7 to 12 years and solar energy saves 600 to 2 000 per year on electricity costs.
Improved shade analysis powered by google sunroof data all estimates consider the shading and irradiance levels of every roof plane with the panel placement optimized for the most.
This is an estimate of costs based on the available solar credits and solar rebates for your geographical area.
The number of solar panels you need depends on how much electricity your home uses.