Cost To Add Solar Panels To An Existing System

Knowing the average cost per watt is helpful but what does 2 91 watt actually mean for you.

Cost to add solar panels to an existing system.

If your solar system isn t quite meeting your electricity needs it s almost always possible to expand your system to incorporate more panels. Have existing solar edge system se7600 with 36 panels solar world 290watts and max of 50kwh day. Add a brand new solar system alongside the existing one this may be the easiest most affordable option especially if your existing system s inverter is still under 5 years old. Would like to add 18 24 panels if can and still use inverter.

Swap out the existing inverter for a larger one and add more panels solar panels have a standard life expectancy of 25 years while inverters generally. A site specific quoteis always the most accurate means of determining this though. Installation costs for pv systems include both labor and the electronics needed to tie the solar array into your existing electrical system. Usually range from 11 144 to 14 696 after solar tax credits and the average price per watt for solar panels ranges from 2 51 to 3 31.

The cost of a solar panel today is around 3 per watt and the extra cost of installation brings expenses up to 5 6 per watt. 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. Solar panel costs for an average sized installation in the u s. Most solar panels last for 50 years have a 25 year warranty and start generating a return on investment after 8 years.

A typical 6kw system costs 11 544 after claiming the 26 solar tax credit. We ll discuss why expanding your array is a great option and we ll address the best ways to do so. How does system size impact the cost of solar. The average solar panel payback period is 7 to 12 years and solar energy saves 600 to 2 000 per year on electricity costs.

September 12 2020 the average cost of installed residential solar power systems is currently 2 60 per watt. Adding panels to an existing system is more common than you might expect.