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Ensure a seamless transition to solar with Aecon

Leveraging Aecon’s trusted expertise and resources as one of North America’s largest multi-disciplinary utility contractors, Aecon Green Energy Solutions is committed to helping homeowners reach a cleaner, more cost-effective future. From designing the right technical solution for your home to installing and maintaining your solar energy system, we deliver turnkey solutions built on over 70 years of experience.

Solar Panel Installation
Why Solar?

Here comes the sun
Here comes the savings

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As a renewable energy source, the sun’s power is a readily available solution to your long-term energy needs and our collective goal of creating sustainable communities. In addition to reducing our reliance on fossil fuels, solar energy offers homeowners many benefits.

Energy independence

Generate your own power right from your rooftop or property to reduce your exposure to rising electricity prices and the frustrating uncertainty of power outages.

Utility cost savings

Significantly reduce your monthly electricity bills and even earn credit for the excess power you send back to the grid through net metering.


Lower your carbon footprint and take a tangible step toward a net-zero future by powering your home with renewable energy.


Solar photovoltaic (PV) panels on your rooftop or property capture the sun’s energy.

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Your solar optimizer then steps in to ramp up the energy generated by your solar panels and compensate for any lower production times caused by shading.

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Solar energy captured by your solar panels is converted into electricity (DC). Your solar inverter converts this electricity into a form compatible with your household needs (AC).

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Your home is powered by the solar energy captured by your system, drawing from the electrical grid only as needed in times of high demand and low production.

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Any excess power produced by your solar energy system is sent to the electrical grid, generating a credit on your next electricity bill.

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How it works

Powering your home with solar energy

Step 1

Determine if solar energy is right for you with our FREE Solar Assessment

Factors like electricity consumption, home type, and roof configuration impact suitability for solar energy. Our free Solar Assessment is the first step in determining if solar power is right for your home and gathering the information needed to design your custom system.

Step 2

Virtual design and incentive review

A trained solar specialist will work directly with you to review your custom-designed solar energy system. The goal here will be to ensure that the most effective system size, technology, and design composition has been selected for your home. We’ll also advise you of available incentives in your area that can help reduce the upfront cost of your solar energy system and further improve the return on your investment.

Step 3

Building permits and utility approvals

We will take care of the planning and permits required for installation. This process includes building permits, approvals from your local utility provider, and initial steps in applying for government incentives. Our team will keep you up to date as we move along the planning process.

Step 4

Solar energy system installation

Once all permits and approvals are received, it’s time to schedule your installation! Safety is our top priority, so installation begins with securing the site according to our strict safety standards. Next, installation is completed over the course of approximately one to five days, depending on your home, roof, and system size. Our team of solar technicians and electricians will be available to answer any of your questions throughout the process.

Step 5

Power on and start saving

The new system will undergo an electrical inspection once all your equipment is installed, including solar modules, optimizer, inverter, and critter guard. After inspection, your local utility provider will change your meter to a net or bi-directional meter so you can transition to your solar energy system. Then, all that’s left to do is power up and let the sun’s energy and your savings start rolling in! From there, our customer support team is just a phone call away.

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Interested in taking the next step toward energy independence?

Let us know! Our solar specialists are standing by to answer your questions or advise on available incentives.

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  • Solar

Maintaining curb appeal on a waterfront home

In Tilbury, Ontario, Aecon Green Energy Solutions installed 33 solar panels with a connected EV charger on a waterfront home. Continue reading below.

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Provide our team with a few details about your home and one of our solar specialists will be in touch to discuss your FREE Solar Assessment!

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Frequently asked questions

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I live in a northern climate. Am I too far north to generate meaningful solar power?

Most geographic zones within North America generate enough annual solar radiation to support solar energy home installations.

Across Canada, major cities in provinces from coast to coast get an average of 302 days of sunshine* each year. At the high end of the scale, Calgary, Alberta, receives an average of 333 days of sunshine, with 52% bright sun during daylight hours. At the lower end of the scale, St. John’s, Newfoundland, receives an average of 272 days of sunshine, with 35% bright sun during daylight hours. Ontario gets an average of 294 days of sunshine* each year and supports several large-scale solar farms within the province.

*With approximately 42%-45% bright sun during daylight hours. Source: Environment Canada. 1981-2010 Climate Normals & Averages.

How well do solar panels work in inclement weather?

On cloudy days, solar panels produce less electricity than on sunny days. With overcast weather conditions, panels produce about half as much electricity as under full sun. If panels become covered with snow, they will stop producing power, but generally, the snow melts quickly as soon as the sun strikes the modules.

Are solar energy systems safe?

Yes. Solar panels consist of solar cells that are mostly silicon, the primary component of sand. No exhaust or toxic materials are leaking out of the system. The electricity coming through the inverter is like that from household wall sockets and requires the same care you would give any other power conductor. All components are approved for connection to your local hydro company and are installed according to standard construction practices. Our systems go through inspections with the Electrical Safety Authority (ESA) before connecting to the grid.

Does my solar inverter have to be replaced before my solar panels, and how much does an inverter cost?

Solar inverters have a shorter lifespan and warranty than panels because the inverter is doing most of the work in the system to convert DC to AC power. The warranty on a solar inverter is 12 years compared to 25 years for the panels and optimizer. You can extend the warranty to 25 years for less than the cost of an inverter. The cost of a string inverter can range from $2,000-$4,000, depending on the size and capabilities. We typically expect to replace your inverter after year 13.

What are the considerations for the location of my solar panels?

Generally, the most common considerations include current and future shading on your panels from chimneys, trees, and other buildings, as well as ensuring the proper orientation of your panels toward the sun.

Is my roof strong enough to support a solar energy system?

Before installing a solar energy system on your rooftop, an engineering review and roof inspection will determine whether your rooftop is strong enough to support the added load. Engineering approval occurs before we apply for your (mandatory) building permit.

How does shade affect the performance of a PV solar system?

One of the leading causes of power loss in a solar PV system is when part of a panel – or array – becomes shaded. Typically, the panels are connected in strings, so the output of that particular string of panels will only be as great as the lowest-performing panel. Therefore, a solar installation should be designed so that none of the panels are even partially shaded at any point of the year.

Do solar panels have to face south?

Panels facing south at the correct tilt angle will provide the maximum energy output. Solar panels can, however, face the sky anywhere between east and west directions and still perform quite well. We can estimate the best production for optimal orientation and tilt angle during the system discovery phase.

If my roof shingles have to be replaced, is it necessary to remove my solar panels?

Shingles under solar panels are protected from weather and remain in better condition. Sometimes, it is possible to replace shingles around your solar array. Suppose your roof requires maintenance under your array. In that case, the removal and reinstallation of solar panels have a quick turnaround – about half a day for removal and one day for reinstallation.

Is it more common to install solar panels on homes with new rooftops?

We recommend installing solar panels if your roof will last longer than ten years.

What can I expect from the installation process?

Once you’ve signed a contract, your project process is ready to begin. We will take care of all the planning and permits required for installation. Our team will keep you up to date as we progress through the development process. On installation day, our team of solar technicians and electricians will get to work. Installation can take approximately 1-3 days. Once everything is installed and fully inspected, the utility will change your meter so you can turn your system on.

Who is responsible for maintaining a solar energy system?

The homeowner is responsible for maintenance. One of the most significant advantages of solar power is that there is very minimal maintenance. With no moving parts, typical maintenance consists of spraying the panels down with a hose to remove any dirt.

How long will a solar panel system last?

Solar panels have been known to be fully operational for 40 years or longer. Solar panels are highly durable and designed to withstand golf ball-sized hail. The mounting systems are engineered to withstand severe wind and weather conditions.

What is the typical cost of installing a solar energy system?

A typical installation costs between $14,000 and $40,000, depending on your roof structure and how much electricity your household needs to produce. Battery storage is an additional cost.

What are the ongoing costs of running a solar energy system?

Costs to maintain a solar energy system are low. It’s ideal to have your system inspected annually, but, at the very least, we recommend every 3-5 years. For service, a minor issue could be replacing a connector or a part, which may take an hour. More significant services could include replacing the inverter or replacing old wiring. A high-quality installation and regular inspections will ensure your solar energy system operates well for 25 years or more.

Do solar panels increase the cost of home insurance?

On average, homeowners pay a marginal amount (around $100-$200 per year) for home insurance covering a typical residential solar energy system.

How will my new solar energy system benefit the environment?

Solar power generation can dramatically reduce greenhouse gas (GHG) emissions, particularly carbon dioxide (CO2). For a typical family home, a 5-kW system will offset roughly 73 tonnes of GHG emissions and a total of 1,825 tonnes of GHG emissions over the system’s lifespan. Generating power with solar is one of the cleanest ways to produce electricity. You’ll be doing your part to help achieve a sustainable future.

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