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Average Cost To Install Solar Panels On Roof | Solar Panel Cost Guide

What is the average cost to install solar panels on a roof?

The average cost to install solar panels on a roof is about $20,000. However, this cost can vary depending on the size of your home, the type of solar panels you choose, and other factors.

Additionally, there may be tax credits or other incentives available that can reduce the overall cost of installation.

Solar panels have become less expensive in recent years, but their upfront costs are still considerable. The price-match guarantee for solar energy systems installed by the best companies is an incentive for contractors to work with you at a lower rate.

Fixed roofs are commonly more expensive than ballasted or tiltable roofs. Tracking ground installations are typically the most expensive in commercial applications, with an average cost of $500 to $1,000 per panel.

What are the factors impact the solar panel installation cost?

When it comes to solar panel installation, there are a variety of factors that will impact the overall cost. Some of these factors include the size of the system, the property location, and the type of system you choose.

Additionally, government incentive programs have made it more affordable for homeowners to install solar panels on their roofs.

The cost of solar panels has become more affordable over time as technology has improved and demand has increased. Today, many homeowners are taking advantage of this renewable energy source in order to reduce their monthly electricity bills. There are a variety of systems available, so be sure to consult with a qualified installer to see what option would work best for your home.

System size

Larger systems require more materials and labor, so they are more expensive to install. Additionally, the type of equipment used — such as inverters and mounting hardware — also affects the total cost.


Geographic location does not always impact the cost of a solar panel installation.

For example, if you are installing solar panels in a rural area, you may find that there is less competition among installers and that the cost of labor and materials is higher than in an urban area. Additionally, if your property is located in a sunny area, you may be able to install smaller and less expensive panels than if you live in a more temperate climate.

By understanding what drives up costs in your area, you can make more informed decisions about whether solar energy is right for you.

Panel brand and equipment quality

Cheap, low-quality panels may seem like a good deal up front, but they are likely to fail sooner and need to be replaced more often, which can end up costing more in the long run. Panel brands that have a good reputation for quality and durability tend to be more expensive, but their products are likely to last longer and require less maintenance. When comparing quotes from different installers, be sure to ask about the quality of the equipment they plan to use.


Generally, the more complex the installation, the more labor-intensive it will be. Thus, a rooftop installation with lots of angles and curves will be more expensive than a ground-mounted installation on flat land. Additionally, some states have higher labor costs than others. For example, New York has one of the highest minimum wages in the country, which drives up the cost of solar installations there.

Permitting and interconnection

Permitting and interconnection fees can vary from state to state. For example, in New Jersey the permitting fee is around $650.

The permitting fees are paid when the application for a solar permit is submitted to your local building department. The interconnection fee is paid to your local utility company when your solar panels are connected to the grid.

Additional Costs and Considerations

There are a lot of additional factors and considerations when it comes to solar panels which can impact the cost.

Size, Shape, and Condition of the Roof

The size and shape of the roof will directly affect the cost of solar panels. Before installing solar panels, make sure the roof is in good condition; solar panel removal and re-installation can be costly.

Shade and Sunlight Conditions

The amount of sunlight your home receives impacts installation costs. Sunny areas need fewer panels, while shadier ones require a larger solar panel system. Sunnier locations have a higher energy output.

Federal and State Tax Credit Incentives

The federal solar tax credit can reduce the purchase and installation costs of a new home solar system.

Local incentives like tax credits, rebates, local electricity rates, net energy metering (NEM) and the direction of your roof can help shorten your solar panel payback period and maximize your savings.

Electricity Use

It is important to note that the average cost of installing solar panels on a roof will vary depending on how much power you use. If you use less than 4,000 kWh per year, then the cost for installation will be between $18,000 and $24,000. However, if you use more than 4,000 kWh per year, then the cost will be between $21,500 and $28,500.

Financing Options

There are three standard options for paying for your solar energy system: purchase outright, take out a loan to purchase the system, or lease your system from a third party. Which option is right for you? It depends on your financial situation and how much money you want to spend up front.

Our solar financing guide breaks down each of these options to help you make the decision that best fits your needs.

What are the best ways to reduce the cost of installing solar panels on a roof?

average cost to install solar panels on roof

There are a few ways to reduce the cost of installing solar panels on a roof. One way is to find government incentives and rebates that can help offset the cost of the installation. Another way is to find a solar company that offers financing or leasing programs.

Compare quotes from multiple installers

When comparing quotes from multiple installers, it is important to make sure that you are comparing apples to apples. This means that you should be looking at the same type of installation, the same size of installation, and the same quality of installation. You should also be sure to ask for references and to check them.

Not only will this help you get a sense of what different companies charge for their services, but it will also help you identify any potential discounts or rebates that may be available.

Make sure to ask about the company’s qualifications and experience, as well as its track record for completing installations on time and within budget.

Look for state and federal incentives

Many states have programs that offer tax credits or rebates for installing solar panels, and the federal government offers a 30% tax credit for solar installations.

It’s important to remember that these incentives can change over time, so be sure to check with your state and local governments frequently to see what’s available.

Choose a high-efficiency panel

A high-efficiency panel is a solar panel that has a higher conversion efficiency than traditional solar panels. This means that they are able to convert more sunlight into usable energy, making them a more efficient option for those looking to install solar panels.

The best way to reduce the cost of installing solar panels on a roof is to choose a high-efficiency panel.

This makes them a better choice for homeowners looking to save money on their energy bills. Additionally, high-efficiency panels take up less space on your roof, making them an ideal option for homes with limited rooftop real estate.

If you’re looking for ways to reduce the cost of installing solar panels on your roof, high-efficiency panels should be at the top of your list.

Size your system appropriately

A small system might only be able to provide power for a single home, while a large system could provide power for an entire neighborhood. It is important to size your system appropriately so that you don’t install too many or too few panels.

Many homeowners install too large a system, thinking they will save money in the long run. But that’s not always the case. In fact, an oversized system could actually increase your overall costs and take longer to pay off.

Keep maintenance costs in mind

Panels that are not kept clean and free of debris will lose a significant amount of their efficiency, so it is important to have a plan for cleaning them regularly. In addition, panels that are installed in shady areas or near trees may require more maintenance, as leaves and branches can block sunlight from reaching them.

By keeping these factors in mind when choosing a location for your solar panels, you can help ensure that they provide the maximum possible savings on your energy bill.

How long does it take to install solar panels on a roof?

A small, simple system might take just a few hours, while a large, complex one could take several days. Installation typically includes mounting the panels on the roof, wiring them to the home’s electrical system, and connecting them to a monitoring system.

The average time it takes to install a solar panel system is around two days. However, that may vary depending on the size and complexity of the system. It’s important to note that not all roofs are suitable for solar panels, so you’ll need to have a consultation with a professional installer to see if your roof is compatible.

Once the installation is complete, you’ll need to wait for your local utility company to connect you to the grid. This process usually takes about two weeks, but again it may vary depending on your location.

How many solar panels are needed to power a home?

It depends on the size and type of solar panel, as well as the wattage of the panel.

To figure out how many solar panels are needed to power your home, you will need to know your average monthly kWh usage. Most homeowners need between 25 and 35 solar panels to power their home. A solar panel typically produces one kWh per day, so if your daily kWh usage is 30 you would need 30 solar panels to generate all of your energy needs.

Divide the monthly kWh average by 30 and then multiply that number by 365 (the number of days in a year) to find out how many solar panels are needed for each day’s needs. Solar calculations are based on the size of your roof and other factors. You can use a solar calculator to get a more accurate estimate.


What is net metering and why is it important?

Net metering is a way for homeowners to get compensated for the solar energy they produce. In states where net metering is in effect, consumers can sell the excess solar energy they produce back to their local utility company at the same rate as they buy electricity from the grid. This lowers their electricity bill, shortening their payback period and raising their cost savings.

How much solar power do I need for my off-grid house?

If you are looking to install a solar system in your home that will power it completely off the grid, then you need to make sure that your system is large enough. The average cost to install solar panels on roof is around $2 per watt. So, if you have a 3,000 watt house, then your system will cost approximately $6,000. Keep in mind that this price can vary depending on a number of factors, including the size of your home and the quality of the equipment you choose.

How much do batteries for solar panels cost?

The cost of batteries for solar panels can vary greatly depending on the type and quality. The average consumer should expect to spend about $500-$600 per battery plus installation costs.

How can you find the right solar installation company?

The installation process is a lengthy one and there are many factors that can affect the price you pay. It’s best to find a company with experience in your area, so they know what permits or licenses might be needed. If you’re purchasing a solar system outright, make sure the company will also provide financing and that they are able to give you an estimate of how much electricity your home consumes each month.

Which is better, buying or leasing my solar system?

Solar leases are typically a good choice for those who do not have the upfront cash to purchase solar panels. The monthly lease payments can be as low as $40 per month, and you never have to worry about the price of your solar panels increasing over time.

If you have the upfront cash to buy your own solar panels, it is usually a better idea to do so. Buying your own solar panels can save you money in the long run because you will not have to pay any monthly lease payments. It is also possible to sell your solar panels after you are done with them if you decide that you no longer want them.

If you would like to know if we can install solar and put thousands of dollars in your pocket for doing it, use the form below to submit your electric bill for a no cost, no obligation evaluation.