How to Disconnect Solar Panels [A Complete Step Guideline 2022]

The solar panel is used to alter the energy of sunlight into electricity. Earlier it was used only for steam production for driving machinery. In recent days, people are using it for a wide variety of applications. For example, the remote power system for cabins, remote sensing, production of electricity, telecommunication equipment, etc.

This device becomes very popular for residential and commercial use. It is a cost-effective way that can provide you power for decades if you maintain it properly. For this reason, this guide will provide how to disconnect solar panels along with some more information.

What Happens If a Solar Panel Is Not Connected to Anything?

People may wonder what will happen if a solar panel is not connected to anything. The answer is, there will be no electrons on the electrical circuits when it is disconnected. As it is an open circuit, the transfer of electrons through the circuit will stop. Consequently, it won’t produce any current and charges won’t defuse inside the solar panel.

What Happens If a Solar Panel Is Not Connected to Anything

There are several reasons behind leaving the solar panel disconnected. The most common reason is doing repairing or maintenance, and moving it to another place. If the solar panel is disconnected for short times or a few hours it won’t cause any damage. Some older panels can get damaged only if you left them disconnected for a long time.

Another thing is, a disconnected solar panel will run hotter than before. Also,  heat can make the lifespan of the panels shorten. You should make sure that the battery doesn’t get excessive energy or discharged at a low level. The battery life will shorten if it discharged lower than 50%.

When the solar panel is exposed to light it can not be turned off. So it can cause electrocution in any emergency situation. So, when it is disconnected consider these things to prevent any kinds of risks.

How to Disconnect Solar Panels? ( Step by Step )

People can disconnect the solar panel for many reasons. The best time for disconnecting the system is after sunset. As solar panels work with sunlight so, you can’t turn them off from producing energy. So, the maintenance or disconnecting process is a bit difficult. That is why we showed how to disconnect solar panels safely in this article.

How to Disconnect Solar Panels

Step 1:

Take a large and thick cloth to cover the whole solar power panel. This thing will cut off the sunlight from the solar panel. Thus, it will stop producing electricity. Make sure to put on safety glasses, a hard hat, work shoes, and gloves before starting the process. Also, to minimize the potential risks you should use a harness while working on the sloping roof.

Step 2:

A solar panel produces a direct current which is very dangerous and risky. Turn off the circuit breakers and disconnect switches so that the current will stop flowing through the circuits. Generally, a solar panel system has two disconnects and circuit breakers. The first one is on the AC side and the second one is on the DC side. You have to turn both the circuits. This thing will avoid any risk related to electric current when working with the solar panel.

Step 3:

For dismantling the whole system or installing it again you should disconnect the wires. By slacking the screws or bolts that connected the wires of solar power disconnect the wires. Depending on the wire connecting terminals you can disconnect them simply by using a screwdriver and socket wrench. While holding the panels in place you should carefully remove all the clamping components.

Step 5:

Make sure to cover the ends of each wire. Also, cover the wire connect terminals of the solar panel. You can use electrical tape, a rubber terminal cover, and a plastic bag to cover them. It will prevent any physical contact with the wires.

Step 4:

With a portable solar panel system, you can easily disconnect the wires. They have a flexible solar connection and electrical load, so they don’t require fiddling with clamping components. 

For the maintenance, in many cases only disconnecting the AC and DC is sufficient. Many modern solar systems have disconnect switches. So, turning off the flow of current is much easier with them. Also, some panels have a rapid shutdown switch, which helps to turn off the whole system within a second. For a quick response, this switch plays a vital role.

Frequently Asked Questions

From this section, you can get some more detailed knowledge about solar panels. 

Where Does Solar Go When Batteries Are Full?

The charge controller cuts off the charge going to the batteries when it gets full.  Then, send the extra power to the inverters or electrical grids for further use.

Is it Ok to Leave a Solar Panel Disconnected?

If you disconnect the solar panel for some time it won’t damage the or panel. But make sure not to leave it in the sun for a long time without any connection. It can overload the system and damage the solar panel.

Can You Live Off Solar Power Alone?

The advanced battery storage technology makes it possible to live off solar power. To store the excess power you can install enough battery storage with the solar PV system.

Final Thoughts

For many applications, solar panels become the most practical way to produce electricity. You can experience off-grid living with this useful device. From solar power systems, remote homes and cabins get the most benefits. This renewable and clean energy source doesn’t require any extra fees.

They need little maintenance as they don’t have moving parts. Your solar panel will last for a longer time with proper maintenance. You can follow this useful guide to understand how to disconnect solar panels. Also, you can find what things can happen when the solar panel is disconnected.

David Binion

Hi, I am David Binion, I am a technical assistant of a solar panel manufacturing company. I also have a solar panel selling and service providing shops beside my job. Because of my job & business, I have to face so many clients of the power tool users.

Recent Posts