I heard that solar energy has a lot of advantages but are there any drawbacks in using the solar panels?
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{ 4 comments… read them below or add one }
cost,the panels real efficiency life span and recycling are the most important .
The major drawbacks are the high cost with low power payback. Also, the sun isn’t shining for a good share of the time. life span is 20-30 years and then you have to spend the money all over again. It’s cheaper to use public utilities for power, but not as “green”.
The largest drawback is the upfront investment you have to make for solar panels. There are some programs that allow you to finance the panels through your property assessment called PACE and leasing programs that can alleviate the large upfront cash outlay.
Solar Panels have a lifespan of 30+ years. Since there are no mechanical parts, there is very little maintenance required. After 10-15 years, you will have to replace the inverter which converts the energy from DC to AC. This is a small cost in respect to the whole installation. The panels clean themselves well with just normal rain.
With all the great federal and state incentives, the payback on solar is at it’s all-time best. In Massachusetts, for example, the payback right now is 5 or 6 years — then you would be making money for the next 25+.
Another big potential drawback is that you must have the right site for solar to begin with. I’m a solar installer and I can tell you a lot of houses might not be right for solar. The best orientation is south, while southeast and southwest can work as well. The space must be unshaded and it would be best if it had few obstructions like chimneys, etc.
I guess the main thing is to look out for the warranty like where the warranty is claimed and the process of claim, how efficient the inverter of the system is and also make sure you are getting value for your money.