The typical solar payback period in the u s.
Breakeven on current solar panels.
Is just above 8 years.
The tax break reduces.
In 2019 it takes 30 off the cost of a home solar system.
The average efficiency of solar panels falls between the 17 to 19 percent efficiency range.
This year most homeowners are paying between 2 87 and 3 85 per watt to install solar and the average gross cost of solar panels before tax credits is 16 800 says energysage s data.
How is the solar panel payback period calculated.
If your break even point is reached within 5 years and you expect to save at least 2 000 a year for electricity assuming you purchased the system with cash then you benefit from around 20 years of no electricity bills about 40 000.
The average solar panel payback period is 7 to 12 years depending on where you live and the cost of electricity.
Currently the break even cost of pv in the united states varies by more than a factor of 10 from less than 1 watt to over 10 watt despite a much smaller variation in solar resource.
We examine the break even cost for the largest 1000 utilities in the united states as of late 2008 and early 2009.
Dividing 14 200 by 1 734 gives a solar payback period of about 5 8 years even if electric rates don t go up between now and then.
On average upfront costs are 11 000 with savings of 1 400 per year on foregone energy bills.
In the united states the most important incentive for solar is the federal residential energy tax credit.
This credit drops to 26 in 2020 and 2021 22 in 2022 and then will drop to zero after that unless renewed again by congress.
If your cost of installing solar is 20 000 and your system is going to save you 2 500 a year on foregone energy bills your solar panel payback or break even point will be 8 years 20 000 2 500 8.
Solar panels are typically under warranty for 25 years so that s the standard figure used for the lifetime of a system although it s often much longer.
The higher the current electricity price is in your area the more money you will save by going solar which results in a faster break even time hancock says.
An average sized residential solar system about 400 square feet of solar panels costs 18 000 according to the solar energy industries association an industry group.
The highest efficiency solar panels on the market today can reach almost 23 percent efficiency.
You ll break even after 8 years and start generating a return on your investment.
