#1 Solar Company in Nevada, California & North Carolina

Your Essential Guide to Solar Panel Maintenance

Embracing solar energy is a savvy move for homeowners and businesses alike, promising long-term savings and reliable power. However, the longevity and efficiency of solar panels hinge on regular maintenance. Through this guide, we’ll delve into best practices for solar panel maintenance, offering advice that blends cost-efficiency with optimal performance.

Solar Panel Maintenance Tips

Maintaining solar panels is not a one-off task but a series of ongoing efforts to safeguard their efficiency and durability. Here are detailed strategies to keep your solar panels in prime condition:

Leverage Your Solar Energy System App

Your solar energy system’s app is a powerful tool that provides real-time data on performance. Regularly check the app for any sudden drops in energy production which may indicate soiling, shading, or equipment issues. This proactive approach allows for swift action to rectify any problems.

Implement Routine Solar Panel Cleaning 

A thin layer of grime or pollen can impede solar panel efficiency by 5-10%. Conduct bi-annual cleanings during the spring and fall for optimal results. For those in dustier climates or areas with heavy bird activity, quarterly cleanings may be necessary. Always use a soft brush and avoid harsh chemicals that could damage the panels.

Inspect The Panels After Hail Storms And Other Extreme Weather

Post-weather event inspections are crucial. Look for cracks, scratches, or chips caused by debris. Even minor damage can compromise the protective glass and the panel’s integrity.

Allow Accumulated Snow To Melt

While it might be tempting to remove snow to quickly restore energy production, scraping can damage the panel’s surface. Instead, tilt panels to 35 degrees or more to encourage natural shedding.

Keep Nearby Trees Trimmed

Overhanging limbs not only pose a risk of physical damage but can also decrease production by casting shadows. Trim trees regularly to prevent these issues.

Prioritize Annual Inspections

A professional inspection can uncover hidden issues such as wiring problems, inverter malfunctions, or worn-out seals. These inspections complement your routine maintenance of solar panels and can prevent costly repairs in the future.

How Often Should Your Solar Panels Be Maintained?

Solar panels are generally low-maintenance, but the frequency of upkeep depends on several factors, including your local climate, the angle of panel installation, and the presence of trees or other sources of debris. At a minimum, an annual inspection is recommended, with additional cleanings as conditions dictate.

How to Know When Your Solar Panels Need Maintenance

Recognizing when your solar panels need maintenance is crucial for maintaining their efficiency and extending their lifespan. Here are some key indicators that it’s time to perform or schedule maintenance:

Reduced Energy Output

This is often the first sign that something isn’t quite right with your panels. If your energy bills are higher than usual or the energy monitoring system shows a dip in power generation, it’s time to investigate.

Physical Debris Accumulation

Solar panels exposed to the elements can collect leaves, dirt, and other debris. This can block sunlight and reduce efficiency. Regular visual checks can help spot this issue.

Bird Droppings

While rain can wash away some dirt, bird droppings are more stubborn and can significantly obstruct light if left uncleaned. If you notice droppings during a visual inspection, it’s best to clean them off as soon as possible.

Foliage Fallout

Falling leaves, especially during autumn, can cover panels and need to be removed. If trees are nearby, this may be a seasonal task.

Weather Events

After extreme weather like hail or heavy snow, it’s important to check for any physical damage or lingering effects from the weather, such as ice accumulation.

Age of the Panels

As solar panels age, they may require more frequent inspections to catch and mitigate wear and tear.

Alerts from Monitoring System

Many modern solar systems include monitoring technology that can alert you to maintenance needs. Pay attention to any system alerts or error messages.

Shading Changes

New construction or tree growth around your property can cast new shadows on your panels, reducing their output. A solar professional can help you determine if trimming or repositioning panels is necessary.

Regular maintenance is key to the productivity of your solar panels. It’s recommended to conduct a professional inspection at least once a year, but keeping an eye out for these signs will help ensure that your solar panels remain in top condition year-round.

Solar Panel Maintenance Cost

The costs associated with solar panel maintenance can vary widely based on location, the size of your solar array, and the extent of services required. On average, professional cleaning can range from $10 to $20 per panel, while a full inspection might cost between $150 to $300. Investing in a maintenance plan with a provider like Construct Sun can be more cost-effective in the long run.

How Does Severe Weather Affect Solar Panels?

Solar panels are engineered to endure a variety of environmental conditions; however, extreme weather events pose a significant threat to their integrity and performance. Understanding how severe weather can impact your solar panels is crucial for proactive maintenance and protection.


Solar panels are typically tested to withstand hail of certain sizes, but unusually large hailstones can cause cracking or pitting on the surface of the panels. Such damage can compromise the protective glass and underlying cells, reducing the panels’ ability to generate power.

Heavy Snow

While solar panels are built to support a substantial amount of weight, excessive snow accumulation can strain the mounting system and the panels themselves. Moreover, the weight of the snow could potentially dislodge wiring or connectors.

Extreme Winds

High winds can lift panels from their mounting points if the racking systems are not secured properly. Additionally, winds can carry debris that may scratch or dent the solar panels, impairing their function.

Freezing Temperatures

In colder climates, the cycle of freezing and thawing can affect the structural components of the solar panels and the mounting hardware, leading to potential micro-fractures or warping over time.

Salt Mist

For coastal areas, salt mist can corrode the frames and mounts of solar panels, necessitating more frequent checks and maintenance to prevent decay.


Should the inverter or wiring become submerged due to floods, there is a risk of equipment failure. It’s critical to ensure that electrical components are well above any potential water levels.


A lightning strike can cause an electrical surge that could damage the solar inverter. While solar installations often include surge protectors, it’s wise to have a robust grounding system in place as an additional precaution.

Solar Panel Maintenance FAQs

With the increasing adoption of solar technology, understanding the nuances of keeping your panels in top condition is essential. Below, we answer some of the most frequently asked questions about solar panel maintenance to help you preserve your investment and ensure maximum efficiency.

Are solar panels easy to maintain?

Solar panels are designed for durability and require minimal routine maintenance. The majority of the time, maintenance involves simple cleaning and occasional inspections, which can often be managed by the homeowner or through a professional service.

Can you monitor the health of your solar panels?

Yes, most modern solar panel systems include monitoring software that allows homeowners to track their system’s output and health in real-time. This can alert you to any performance issues or maintenance needs.

Do solar panels need to be cleaned?

Yes, to ensure they operate at peak efficiency, solar panels should be cleaned to remove dust, pollen, leaves, and other debris that can accumulate on the surface and block sunlight.

Will rain clean solar panels?

Rain can naturally remove some surface dirt and dust from solar panels. However, it may not be enough to clean them thoroughly, especially if there is sticky residue or bird droppings.

Is it okay to hose off solar panels?

Yes, using a standard garden hose to gently rinse solar panels is acceptable. However, you should avoid using high-pressure water jets, as they can damage the panels’ surface.

How to repair or replace solar panels?

If your solar panels are damaged or not functioning correctly, it’s best to contact a professional solar technician. Repairs or replacements should be conducted by specialists to ensure the integrity of your system and to maintain warranty conditions where applicable.

If You’re Ready To Start Saving on Utility Bills, We’re Here To Help!

Making the switch to solar energy is a smart financial decision, and Construct Sun is here to guide you through every step. Our expertise in residential solar panel installations is your gateway to lower energy costs and a reliable, clean energy source for your home.

At Construct Sun, we specialize in custom solar solutions and solar panel servicing tailored to fit your specific needs, ensuring that your investment is as efficient and effective as possible. Our professional team in Reno, Nevada, and Raleigh, North Carolina, is equipped with the latest technology and knowledge to provide you with a seamless installation experience.

Ready to take the next step towards a more cost-effective and energy-independent future? Contact Construct Sun, and let’s start the conversation about how solar energy can benefit your home and budget.

Picture of Construct Sun

Construct Sun

Construct Sun is a team of leaders and experts from different industries who share one goal: to lead the world by advocating a more sustainable energy source by providing solar energy solutions and, most importantly, top-of-the-line solar education.

Contact Us

Do you have a question? Fill out the form below & we'll get back to you as soon as we can!
By clicking “submit”, I consent to join the email list and receive SMS from Construct Sun, with access to our latest offers and services. Message and data rates may apply. Message frequency varies. More details on this are in our Privacy Policy and Terms and Conditions. Text "HELP" for help or contact us at 844-463-6691. Text "UNSUBSCRIBE" to cancel.

Reno, Nevada

Las Vegas, Nevada

Raleigh, North Carolina

South California

Success message!
Warning message!
Error message!