How To Check Solar Panel Performance

If it s not there is a problem with your solar panel output.

How to check solar panel performance.

I m the bloke who made you all sign up for the solcast api service in order to check in on the performance of your home solar pv system. Touch the multi meter s red positive lead to your solar panel s positive wire. Note positive negative connections. We found 46 of solar owners use their bill to see if there s a problem but this is unreliable.

Some of you had great success. Then touch the multi meter s black negative lead to your solar panel s negative wire. Locate the converter box. Look at the.

The converter box is located on the back of the solar panel. Once you have located the. Note that the power output can t go above the capacity of the solar inverter. Solar installers usually offer warranties on parts and labor and any glitches that may have occurred during installation that may have begun to negatively affect the performance.

Using a multimeter for solar panel tests step 1. If your panels face east or west and the power output is around 70 of the total panel capacity then your system is also probably performing fine. Don t rely on your electricity bill. Look up is there shading or are the panels dirty.

The volt reading on your multi meter should be close to or just under 60 volts. If you have panels facing in more than one direction then split the difference again.