The average solar panel payback period is 7 to 12 years and solar energy saves 600 to 2 000 per year on electricity costs.
Frequency and cost to clean solar panels on a house.
The average cost to clean and maintain solar panels is 150 to 330 the actual cost of cleaning will depend on a number of factors including where you live house height roof slant and what type of solar setup you have installed.
However unless you live somewhere with high amounts of smog dust dirt or sand blowing around solar panel cleaning is generally not necessary in most cases occasional rain will be enough to naturally and safely keep your solar panels clean and free of debris that could lower production.
Rates may be higher or lower depending on your zip code total number of solar panels and accessibility factors such as roof height.
Your solar panels need to be exposed to sunlight in order to produce power.
Depending on factors such as roof slant home height and system size companies charge between 3 and 10 per panel some charge a flat rate within a range of 150 to 350 annual inspections are typically 150 before the cost of cleaning.
Most solar panels last for 50 years have a 25 year warranty and start generating a return on investment after 8.
Solar panel cleaning cost.
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.
The national average cost for residential solar panel cleaning is 133.
Solar panels that are cleaned once and twice a year produce 3 5 and 5 1 more electricity respectively than those that are left uncleaned.
In most places there s more pollution in the winter which is why the spring is a good time to do an annual cleaning.