In short roi 100 energy savings in 25 years cost of solar panels cost of solar panels.
Calculate return on investment solar panels.
Luckily the initial cost of installing a solar roof is dropping continuously.
Incentives rebates federal tax credit applies to all above line items.
Solar payback period initial net investment yearly benefit.
For example if your installed solar panel costs were 15 000 and your yearly benefit was 3 000 your payback period would be 5 years.
Today some homeowners even argue that installing solar panels on their roof is a long term investment with strong rates of return.
Pvcalc allows you to calculate the roi of pv solar energy projects viewed as financial investments.
There are two main reasons why.
The lifetime cost of solar includes.
If you are using this to find your return on investment for a straight cash purchase of a solar panel and are eliminating your power consumption you will want to input your current rate of power.
After entering the installation data press calculate.
Calculate your solar panel payback period and return on investment roi.
The key results can be found on the first tab results.
Lifetime cost of electricity from utility lifetime cost of solar solar roi.