How Long Do Solar Panels Last?

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In this blog post, we’re going to talk about solar panels and learn how long they last, we’re also going to discuss some maintenance tips to keep them effective and efficient. But first, let’s talk about what solar panels are and what they are made of.

What Are Solar Panels?

Solar panels are devices that convert light into electricity. They are called “solar” panels because most of the time, the most powerful source of light available is the Sun. Solar panels are made up of photovoltaic cells (PV), which are semiconductors like transistors and diodes found in computers and other electronic devices. PV cells consist of two layers: a p-type layer (negative charge carriers) sandwiched between n-type layers (positive charge carriers). When photons from sunlight hit these semiconductor layers, electrons within them move from one atomic level to another without passing through an external circuit; this causes an electric current to flow through the wires attached to each side of a PV cell.

Solar panels can be used to power your home or business. They are a renewable energy source that can generate electricity for any appliance or device that requires it. Solar panels are an efficient way to reduce energy costs and reduce the amount of carbon dioxide released into the atmosphere when using fossil fuels for power generation.

The cost of installing solar panels depends on many factors, including whether you have existing infrastructure at your home or business location, such as an electrical panel, how much sun there is where you live, and what type of system is right for you.

Solar Panel Life Span

Solar panels are one of the most efficient and environmentally friendly ways to harness energy from the sun. They can be used to power homes and businesses, reducing your carbon footprint and saving you money on electricity bills. Solar panels are also a great investment for any homeowner or business owner looking for an alternative energy source that’s better for the environment than fossil fuels. But how long do solar panels last? And what factors affect their lifespan?

Solar panels can last for a long time, but proper maintenance is key.

Solar panels are durable and can last for a long time. However, they still need to be cleaned regularly to ensure that they continue operating effectively. If solar panels are not properly maintained and their efficiency is lowered, or if they sustain damage from weather conditions or other problems, you may need to replace them sooner than expected.

When it comes to the lifespan of your solar panel system’s parts (panels, inverters), several factors will determine how long each component lasts:

  • Type of panel material – Different types of solar cells have different lifespans. Silicon-based panels typically last longer than thin film panels because silicon has greater durability over time.
  • Maintenance practices – Solar PV systems will last longer if you regularly clean their surfaces with soapy water, this helps prevent dirt build-up which could reduce efficiency and decrease the lifespan.
  • Manufacturer recommendations – Your provider will likely provide maintenance guidelines based on industry best practices for keeping your system running at peak performance.

To make it simple, most panels come with a standard warranty of 25-30 years. This means that your solar panel should still be producing electricity in 2045, even if you have them installed today.

To understand how long a solar panel will last, it’s important to understand what goes into the construction of the panel. Solar panels are made up of layers of glass and plastic which encase the photovoltaic cells. While these materials may vary depending on your specific brand or make of panel, they typically hold up well over time and are not susceptible to rapid wear and tear like other parts within your home or business may be when exposed to environmental factors like fire damage caused by an electrical short circuit, etc.

How Long Do Solar Panels Last if They’re Not in Use?

Solar panels can last for a long time if they are not in use. However, how long solar panels last depends on their quality and how well they are cared for. If you have a low-quality panel that hasn’t been properly maintained, it may only last a few years before it needs to be replaced. On the other hand, if you have an efficient high-quality solar panel that has been properly maintained over time, then it could potentially last decades without any problems.

You should also keep in mind that solar panels are not meant to be used all year round; ideally, they should only be turned on during sunny days when there is plenty of sunlight available so as not to drain too much energy from your battery pack or inverter system while providing enough electricity during those times when the sun isn’t shining brightly. This will help ensure maximum longevity since these systems require very little maintenance over time but still need some form of maintenance throughout their lifespan.

Solar Panel Maintenance

Cleaning and maintenance of solar panels are essential for their performance. We will discuss some important steps for cleaning and maintenance of solar panels:


The solar panels of your photovoltaic system are clean and free of dirt, dust, and any other substance that could impair their performance.

To achieve this, we recommend performing the following actions:

  • Clean the glass of your solar panels with a soft cloth slightly dampened with water.
  • Remove any dirt or dust particles from the frames of your solar panels with a vacuum cleaner. The use of abrasive brushes is not recommended because they can damage them. Do not use a pressure washer as it may cause damage to the silicone seals between individual cells or break off some terminals and cables if you use too much force on them when cleaning the frame. For best results, we recommend using high-pressure hoses, preferably water jets installed at low flow rates of around 0.5 GPM (gallons per minute).

Monitor the system

Monitoring your solar power system is an important part of the job. You should check the voltage, current, and temperature of your system regularly to identify any issues early.

  • Voltage: Your solar panels need to produce between 16 and 20 volts per cell to function efficiently, so if you’re seeing anything lower than that it could be time for maintenance or replacement.
  • Current: Checking the current draw of each phase will tell you how much power is being used by the home or building or if there’s anything wrong with any components such as wires leading away from those panels toward where they’re plugged into an inverter unit. If you see higher than usual readings then something might be draining too much electricity from these lines due to some kind of malfunctioning part like a faulty breaker tripping constantly instead of shutting off properly when needed; this can lead us back down another rabbit hole known as electrical safety standards.


The inverter converts the direct current power from your solar panels into alternating current power that can be used to run your home appliances. It also stores energy in batteries when there’s excess solar energy available.

Inverters wear out over time, so it’s important to check your inverter and replace it if it doesn’t function properly. If you have an older solar panel system, it may be more cost-effective to replace the inverter than to repair it. In addition, you should check your battery voltage every few weeks during off-peak hours.

Leakage test

To test the solar panel, you need to use your multimeter. Connect it in series with a load that can handle 30 amps and an ammeter in series with the load. The ammeter will measure the current flow from the panel and tell you if there is a short circuit, which would mean that all of your cells are connected and drawing power from each other’s connections. To do this test, set up your multimeter as shown in Figure 2-18 below:

  • Set it to measure current (amps) at 0-30 Amps.
  • Turn on your multimeter by pressing either the “ON/OFF” button once or by tapping gently on its face.

Benefits of well-maintained solar panels

A well-maintained solar panel system will work better, last longer, and save you money. A well-maintained solar panel can make up to 20% more power than an un-maintained one. A well-maintained system will also have better warranty coverage from the manufacturer which means that if anything does break down or fail in your system, it is covered under warranty and not considered regular wear and tear.

In addition to this, by maintaining your panels regularly you are ensuring that they are producing as much electricity as possible so that at any given moment of the day or week they are generating as much electricity as possible. This means that there is less of a chance of running out of power.

Solar panels last longer

One of the most important things you can do to maximize your solar panel’s efficiency is to clean the panels regularly. If you don’t clean your solar panels, they will stop working as well as they should, and they will wear out more quickly. Regularly cleaning them will extend their life.

Solar panels make more power

Clean solar panels are more efficient. Clean solar panels absorb more sunlight and produce more electricity than dirty ones. The more sunlight that is absorbed, the less energy is wasted by reflection or being blocked by dust and dirt on your solar panel’s surface.

Clean solar panels last longer than dirty ones because they don’t have to work as hard to generate electricity from the same amount of light hitting their surface area because they are absorbing more of it in the first place.

More consistent electricity generation

A well-maintained solar array is a benefit to everyone involved. For the utility, a consistently generated power supply means fewer grid outages and more reliable electricity for customers. For you, a consistently generated power supply means less chance of your solar system failing when you need it most.

For that reason alone, you must regularly check on your panels and make sure they are working properly. If not, there may be damage that could affect their ability to generate consistent energy for years down the road.

Are Solar Panels Expensive to Maintain?

You don’t have to worry about maintenance costs or using up your budget. Solar panels are very reliable and have a warranty of 25-30 years. The technology is so advanced that it can even endure hail storms and high winds without sustaining damage.

So, what does all this mean for you? It means that you can sit back and relax knowing that your solar panels will provide clean energy for decades without costing you anything but an occasional checkup by a professional technician. Check the warranty on your system or consult with the company that installed them if you have any questions about what they cover.

solar panel cost

How Many Solar Panels Do You Need for Your Home?

The first thing to keep in mind is that the amount of solar panels you need for your home depends on the size of your home. If you have a smaller home, then fewer panels will be needed than if you have a larger one. The easiest way to find this out is by using a solar panel calculator.

If you don’t want to do any math yourself, there are plenty of online solar calculators available that can help calculate how much electricity needs to be produced by each panel and the number of panels required by your home based on its square footage and other factors.

ARC Energy Solutions.

ARC Energy Solutions. is taking a different direction when it comes to providing the Bakersfield community with solutions to their energy needs. With total transparency and honest prices, we walk you through every step of the process, helping you make the best choice that you can make for your home and family.

In our Bakersfield solar showroom, you can experience the actual panels and equipment that will be used in your specific installation. We’ll explain how your system operates and can answer any questions that you may have as thoroughly as possible. We want the customer to feel knowledgeable and ready when they leap to solar. Contact us today for all your solar energy services needs!

ARC Energy Solutions is taking a different direction when it comes to providing the Bakersfield community with solutions to their energy needs. We are dedicated to revolutionizing modern solar energy. Get in touch with us to learn more about saving money, energy, and the earth.

Contact ARC Energy Solutions. today!

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