How To Check Solar Panel Efficiency

As long as the amp meter is rated higher than the solar panel you will be able to measure the output effectively.

How to check solar panel efficiency. Energy is measured in kilowatt hours kwh. Note positive negative connections. Power is measured in watts w or kilowatts kw. Then touch the multi meter s black negative lead to your solar panel s negative wire.

Locate the converter box. A green light on your inverter means your system is working perfectly. Check for shading on panels. In our example for the sw 245 mono 245 1 676 67 14 61 efficiency remember to look at the power tolerance as although the name plate rating might be 245w the power tolerance will tell you how many more or less watts a the stc the panel produce.

A red or orange light during daylight hours means there is a system fault. The converter box is located on the back of the solar panel. Once you have located the. The older generation of inverters may use yellow light to indicate a fault instead of a red one.

Accessing your solar output data online. A simple health check for your solar is checking the light on your inverter is there a red light or a green light. If it s not there is a problem with your solar panel output. Attach the meter to the positive and negative terminals on the solar panel and make sure the panel is properly exposed to sunlight.

Divide the name plate rating by the square meters at 1000 w m to get the solar panel efficiency. If your solar panels continuously output 5kw of power for a whole 60 minutes you will have produced 5kwh of energy. The volt reading on your multi meter should be close to or just under 60 volts.