There are two main reasons why.
Calculate return on investment solar panels.
Luckily the initial cost of installing a solar roof is dropping continuously.
Solar payback period initial net investment yearly benefit.
At its simplest here s how to calculate your return on investment into solar.
Calculate your solar panel payback period and return on investment roi.
Incentives rebates federal tax credit applies to all above line items.
The key results can be found on the first tab results.
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.
If this is for net metering purposes you will likely get a net metering contract that will have the rate and amount of production.
In short roi 100 energy savings in 25 years cost of solar panels cost of solar panels.
Pvcalc allows you to calculate the roi of pv solar energy projects viewed as financial investments.
After entering the installation data press calculate.
The results are presented graphically divided into four sub categories.
The lifetime cost of solar includes.