How efficient should solar panels be?

What is a good level of energy efficiency to expect from solar panels?

Asked by caroline on 3rd Oct 2022
Expert Trade Answers
"Hi Caroline, they should be producing between 15-20% of the solar energy into usable energy.

Thank you!


Answered on 3rd Oct 2022 - Member since Sep 2022 - report
"There are many factors to take into account when answering that such as position, shading and location of property.

But as a rule of thumb most domestic panels are around 15-20% efficient.

You can get more efficient ones but they are considerably more expensive."
Answered on 3rd Oct 2022 - Member since Apr 2017 - report
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