Solar Panels Over Metal Roof: 8 Things You Should Know

With renewable energy becoming increasingly affordable and accessible, many homeowners are choosing solar panels to reduce energy costs and adopt a greener lifestyle. Pairing solar panels with metal roofing creates a resilient, long-lasting system that maximizes both energy efficiency and durability. Metal roofs provide an ideal foundation for solar panels due to their strength and compatibility with various mounting options. We cover all the basics about installing solar panels on metal roofs — what they are, how to install it, and how to keep it up.

1. How Do Solar Panels Work?

Picture: www.maysunsolar.com

Once you learn how solar panels work, you’ll see the value they bring to your life when placed on a sturdy metal roof. Solar panels capture sunlight and convert it into electricity using the photovoltaic effect. Here’s how they work:

Solar panels: PV cells absorb sunlight: A solar panel is made up of several photovoltaic (PV) cells, usually made of silicon. Sunlight hits these cells and ignites electrons in the silicon, creating an electric current.
DC to AC conversion: The direct current (DC) from the PV cells must be converted to AC for home use. This is accomplished using an inverter, which is either included with each panel (a microinverter) or located at the center of the system.
Connection to the home and grid: AC is fed into your home’s electrical grid, where it powers appliances and electronics. All excess energy can be fed back into the grid (depending on your electricity provider) and earned in exchange for credits or cash.

The energy produced by solar panels relies on continuous sunlight, and its efficiency can be affected by roof pitch, shade, and climate. A metal roof is the perfect companion for your solar panels, as it has a durable and reflective coating for optimal performance and efficiency.

2. Is It Possible to Install Solar Panels On A Metal Roof?

One of the common questions homeowners have is whether they can mount solar panels on a metal roof. Yes, you read that right — metal roofs are the ideal substrate for solar panels. Metal roofs are incredibly sturdy and will withstand the extra weight of the solar panels without any problems. The smooth or standing seam styles often seen on metal roofs offer stability and, in comparison with asphalt shingles, metal roofs are less susceptible to breaking or chipping from installation.

Metal roofs of various types provide different mounting capabilities. Standing seam metal roofs, for example, support clamp-mounted solutions, which screw onto the seams without drilling while keeping the roof intact. Even corrugated metal roofs can accommodate solar panels with the help of brackets that make it safe to attach. So whether your metal roof is standing seam or corrugated, it can be used in conjunction with solar panels, offering a stable, long-lasting substrate for mounting.

Mounting Solar Panels on a Metal Roof

The installation of solar panels on a metal roof can be carried out in various ways, depending on the metal roof you are using. Here are the most common approaches:

Standing Seam Metal Roofs: These roofs come with a clamp-on mount system that does not require drilling. The clamps stick right to the seams, allowing the roof to be left pristine and reducing potential leaks.
Corrugated Metal Roofs: These roofs usually consist of special brackets that allow them to reach the roof safely. Rubber or silicone gaskets seal the brackets in place to prevent any water leakage around the mounting holes.

Both mounting systems keep your metal roof safe and waterproof, letting you know that your solar panels will not ruin the structure of your roof.

solar panels on a metal roof

3. The Benefits of a Metal Roof Combined with Solar Panels

There are more benefits to mounting solar panels on a metal roof than saving money on your electricity. Most importantly, metal roofs are one of the most reliable roofing materials; they can last 50 years or more, which is perfect for solar panels that typically last 25–30 years. The result of this alignment is that homeowners will not have to replace their roof at the halfway point in their solar panels lifespan, saving homeowners the hassle and expense of taking away and installing the panels when replacing their roof.

Moreover, both metal roofs and solar panels are environmentally sustainable. Solar panels save on fossil fuels, and metal roofs are typically recycled and can be recycled at the end of their life. That’s what makes the metal roof and solar panel pair a low-cost, long-term green power investment.

Here are some key benefits:

Temperature Control: Metal roofs absorb solar energy, making your home cool, and your solar panels will operate more efficiently since they are best used in colder weather.
Better Roof Life: Solar panels serve as an extra layer of protection on metal roofs from direct sunlight, rain, and hail, thus prolonging the lifespan of the roof.
Maintenance-Free: Metal roofs are easy to maintain, and combined with solar panels, you get an incredibly durable, low maintenance system that will cut down your overall cost.
Better Value: A strong metal roof paired with solar panels can raise the value of your home and make it more appealing to environmentally conscious buyers.
Environmentally Responsible: Both metal roofs and solar panels are recyclable and contribute to sustainability by reducing landfill waste and fossil fuel consumption.

4. Installing Solar Panels On A Metal Roof

solar panels installation over metal roof

Picture: strongholdroofing.com

Here’s a step-by-step guide to installing solar panels on a metal roof:

Roof Survey and Permit Review: First, assess your roof to make sure it can accommodate the added weight of the panels. This may involve hiring an expert to help ensure that your building complies with local building codes and regulations.
Choose Mounting Hardware: Depending on your roof type, select the right mounting hardware. This would be clamp mounts for standing seam roofs, and may be corrugated roof brackets with watertight seals.
Mounting System and Panels Installation: After mounting the hardware, the panels are installed in a way that provides the most sunlight. Having the angle and placement correct is essential to maximizing the performance of your solar panels.
Connect to Electrical System: At last, an electrician plugs the panels into your home’s electric grid, and you can begin producing electricity. That includes wiring the panels, installing inverters, and hooking up to the grid if necessary.

DIY-ers can always do this themselves but professional advice ensures that the job will be done safely and correctly — especially if you have a complex metal roo

5. Lifetime Impact of Solar Panels on a Metal Roof

Solar panels on a metal roof is a powerful, energy efficient and cost-effective combination in the long run. Roofs and panels both have long life spans, ranging from about 50 years on a metal roof to 25–30 years on solar panels. Since both are long lasting, the payback on your investment is considerable because you’ll spend less on energy and more on maintenance than other types of roofs.

In addition to the money saved, it has a big impact on the environment. Solar power lowers your household’s carbon footprint, and metal roofs are a sustainable, recyclable product. This pair, properly maintained, can save us money and the environment for decades to come.

6. What is The Price Of Solar Panels?

Solar panel prices can vary a lot depending on various factors such as the size, complexity of the installation, the site, and the requirement for energy. So, here’s a brief summary so you can make an estimate of the cost:

Average Cost: The price for a typical installation of solar panels in Canada would be anywhere from $15,000 to $30,000 for a typical residential install without incentives or tax rebates. This price includes all materials and labor for a complete solar system.
System Size: Systems with more power will be bigger and will typically cost more in the beginning. You may spend between $3,000 and $5,000 per kW on a 5-kW system, which is enough for most houses. Smaller systems will be more affordable, but they may not serve the entire energy requirement of the home.
Roof and Mounting: Metal roofs may save you money on installation costs as some styles, such as standing seam roofs, allow for non-penetrating mounts, which are easier to install. But a special roof type or material can drive up labour costs with mounting needs.
Rewards & Tax Credits: Most cities provide tax breaks, rebates, or grants to offset the initial cost. For instance, in Canada, the Canadian Clean Technology Investment Tax Credit can reduce upfront investment and make solar installation more affordable.
Costs of Maintenance: The panels need little upkeep, although you might need to clean and inspect them from time to time to keep them working. These are relatively inexpensive, costing an average of $150-$300 per year.
By lowering your energy costs and adding value to your home, installing solar panels will pay off in the long run. Homeowners should take into account their energy requirements and local incentives to get the most out of their solar system.

7. Canadian Clean Technology Investment Tax Credit

Picture: enphase.com

The Canadian Clean Technology Investment Tax Credit is a federal tax credit that helps accelerate renewable energy and clean technology adoption by reimbursing homeowners for installation costs. Here’s a closer look at its pros and cons:

Tax Credit: Credits up to 50% of the installation price of solar panels to lower the initial cost of installing the panels.
Eligibility Requirements: Installations must conform to Canadian clean energy requirements and must be completed by trained professionals. It helps to talk to your installer to make sure you are on the same page.
Procedure: Homeowners can file this credit on their taxes and provide installation certificates, receipts, and certifications. A tax professional can help ensure that the correct documentation is followed and the credit is maximised.
Impact on the Environment: By promoting clean energy projects, the credit helps Canada reduce greenhouse gas emissions and use renewable energy.

This tax credit can reduce the initial cost of solar panels in significant ways, making green energy affordable for more Canadians and greener for the planet.

8. Solar Panel Insurance

Solar panels should also be covered by an insurance policy to ensure your investments are well protected, particularly when you’re installing them on a long-term, strong metal roof. Solar panel insurance may assist in resolving repair or replacement expenses in the event of damage, theft or accident. Here’s an overview:

Types of Coverage: In most states, solar panels fall under the “attached structures” section of homeowners insurance coverage, which includes liability for natural hazards (Hail, Wind, Fire) as well as theft and/or damage. But make sure to confirm particular coverage with your insurer.
More Excess Riders/Endorses: Some companies have special endorsements or riders for solar panels that can give additional coverage, such as accidental damages. Include this in your policy to make you feel confident, especially in places where we often experience severe weather.
Metal Roofs & Premiums: Metal roofs are very long-lasting and may shield solar panels from some of the damage that the weather may cause which can either lower your insurance rate or make your installation look more attractive to insurers.
Deductibles and Premiums: Premiums for solar panel insurance are usually cheap, but it’s important to look into deductible options and how much out-of-pocket cost you’ll incur if something goes wrong. Many companies permit tweaks so that expenses can be kept low.
Process & Inspection: You might have to show proof of maintenance and professional inspection when you file an insurance claim. When it comes to claims, keeping panels and mounting hardware in good repair can expedite the process.

Using the proper type of insurance coverage, homeowners can save their solar panels from unanticipated expenditures so that their investment is secure and continue working well into the future.

Best Solar Panel Installation Companies in Ontario

Here are 6 dependable companies installing solar panels in Ontario, as of 2024:

SolarUp

Description: Provides residential and commercial solar installations, financing at 0% and net metering energy bill savings of up to 80%.

Services: Solar panel design, installation, and maintenance.

New Dawn Energy Solutions

Description: Engineers and electricians committed to installing high-quality renewable energy sources.

Services: Individualized residential and commercial solar energy solutions.

Envisionmatrix Renewable Energy Inc

Description: Provides turnkey Solar PV designs and installations.

Services: Install solar panels at home or business.

Xolar Inc

Summary: Offers complete turnkey solar energy conversion solutions.

Services: Design, construction, and repair of solar installations.

Solar Brokers Canada

Overview: Canada’s largest solar supplier and the first residential solar brokerage.

Services: Sales of solar panels connecting home owners with solar installers.

Next Energy Solar

Description: Builds and installs state-of-the-art residential solar systems in Ontario.

Services: Provides payment options such as free solar grants and co-investment plans.

These firms offer a variety of services to suit the diverse needs of the people of Ontario who want to implement solar energy solutions.

FAQs: Installing Solar Panels on a Metal Roof

What type of metal roof is best for solar panels?

Standing seam metal roofs are ideal as they allow for non-penetrating mounts, preserving roof integrity.

Does installing solar panels void my metal roof warranty?

Generally, it does not, but always check with your roof’s manufacturer or installer for specifics.

Are there maintenance costs for solar panels on a metal roof?

Maintenance is minimal, but occasional cleaning and inspections are recommended for optimal performance.

How much does solar panel installation cost on a metal roof compared to other roof types?

Costs are similar, though metal roofs may sometimes require specific mounts, slightly affecting installation costs.

Is it harder to remove solar panels from a metal roof if needed?

Not usually; however, it’s best handled by professionals to ensure no damage occurs to the mounting system or roof.

How long do solar panels last?

Solar panels generally have a lifespan of 25 to 30 years, though some high-quality panels can last even longer with proper maintenance. Performance typically decreases slightly each year (about 0.5% annually), but many panels retain around 80-85% efficiency even after 25 years.

How much do solar panels cost for a 2,000 square foot house?

The cost of solar panels for a 2,000-square-foot house varies depending on energy needs, system size, and installation specifics. In Canada, homeowners can expect to pay between $15,000 and $30,000 for a full system before tax credits or incentives. After the Canadian Clean Technology Investment Tax Credit and other local incentives, the final cost could be significantly reduced.

Conclusion

Solar panels on a metal roof are a smart, sustainable investment that delivers both long-term savings and green advantages. Metal roofs are highly durable and ideal for solar panels, providing a strong base that can accommodate solar power for decades with minimal upkeep. In addition, homeowners can take advantage of tax credits, such as the Canadian Clean Technology Investment Tax Credit, to offset initial costs and make solar more accessible and affordable.

In addition to the financial and environmental advantages, the solar-metal roof combination adds more property value and security to your house. Solar panels provide another layer of protection, keeping the metal roof from direct exposure to the elements and metal roofs offer a stable, heat-resistant surface for optimal panel performance. Installing solar can cut electricity bills, boost property value and support Canada’s renewable energy goals.

Choosing to use solar panels on a metal roof is ultimately a move toward sustainability, and with the right insurance and installation, homeowners can benefit from a reliable, sustainable energy source for many years to come. This system not only salves the environment but will provide a reliable and low-maintenance alternative for your home’s energy requirements.