Most solar panels last for 50 years have a 25 year warranty and start generating a return on investment after 8 years.
Cost solar panel system.
A typical 6kw system costs 11 544 after claiming the 26 solar tax credit.
They are custom based on the home roof type shading and utility.
Solar panel cost data 2020 updated.
September 12 2020 the average cost of installed residential solar power systems is currently 2 60 per watt.
Installation for the average 5kw system ranges from 11 100 22 400.
For example systems using sunpower panels see the highest average prices 17 820 22 020 for a 6 kw system and 29 700 36 700 for a 10 kw system and sunpower is known for producing well made high efficiency panel products.
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.
No two solar power systems are the same.