How Much Do Solar Panels Cost?

Estimating How Much Home Solar Panels Cost

One of the first questions someone interested in solar asks is, “How much  do solar panels cost?” The answer is often given in terms of “watts installed” rather than by how much the actual solar panels themselves cost. This is because different manufacturers’ panel wattages and system configurations can vary widely, as do financial incentives from state to state.

So it’s more accurate for a homeowner to estimate the cost of a solar panel system by first finding out how many kilowatt hours of energy their household typically uses and thus how many kilowatts are needed, along with the cost of equipment and labor for installation.

For a baseline on the actual cost of the solar panels, though, the general rule of thumb is that solar panels cost about $0.85 to $1 per watt before installation and the federal investment tax credit incentive. Residential solar panel capacity ranges from around 250 watt to 360 watts, so the cost per panel mostly falls in the range of $212-$360.

How Much Do Solar Panel Installations Cost?

Few people are going to buy just the solar panels and install a home solar system themselves, though, just like few people would buy the components of a car and build their own vehicle. We recommend you use an approved installer for your solar system. So that’s where the cost gets to watts installed.

The average cost of solar per watt installed in the United States is $3.16. The average system size is five to eight kilowatts (5-8 kW). So an average home solar system would cost from $14,000 to more than $30,000. Keep in mind that you’ll get some of that investment back once you apply the 30 percent federal residential renewable energy income tax credit (ITC)1, so the cost ends up being $10K to $20K. But the tax credit may be ending soon, so don’t put off buying solar for too long.

A qualified solar expert can easily give you a more precise free estimate after evaluating your property, but here are a few other factors that will influence the cost

Factors Affecting the Cost of Solar

It’s important to understand that there isn’t a one-size-fits-all answer to estimating the cost of installing a home solar system. Solar panel installation cost depends on multiple factors, including:

  • Whether your state or local government provide tax credits, net metering or other incentives;
  • How you finance your system (e.g. lease, finance or purchase);
  • The size and other characteristics of your roof, how much energy you use and the type of solar panels you choose; and
  • The cost of utility power in your area.

Also, remember that the old adage, “You get what you pay for,” applies to home solar. Not all solar systems are alike. The durability, reliability and efficiency of solar panels can vary widely. Our panels are guaranteed to last and to produce a certain amount of power for 25 years with our Complete Confidence Warranty.

Industry measurements such as the Fraunhofer Center for Sustainable Energy Systems’ PV Durability Initiative can give you a better idea of the expected solar panel lifespan  – a factor that can have a tremendous impact on the system’s lifetime value.

Yes, it’s possible to buy a single solar panel for as little as $100, but a solar panel does not operate in isolation. You need a system of hardware and software to generate electricity from the sun, including solar panels, mounting hardware, wires and cables, an inverter and monitoring software. And you need to consider the cost of installation and operation.

Once you get an estimate for the cost of your solar power system, you should subtract what you’ll save on your utility bill over time and any incentives offered by your local or state governments. Then you’ll have a better understanding of how going solar will impact your finances.

While the highest quality panels may cost more, the superior efficiencyand durability2 can provide increased savings over time and lower maintenance costs. (You can get a personalized Solar Technologies savings estimate using our solar calculator.)

Save on the Price of Solar Panels

There are many different tax incentives, subsidies and financing and billing solutions at the state and local levels that can make going solar more affordable. To see if you might be eligible for renewable energy incentive programs, visit the Database of State Incentives for Renewables & Efficiency® (DSIRE®).

As mentioned previously, you may also qualify for a U.S. federal residential renewable energy income tax credit. If you purchase your solar system, you are eligible for the solar ITC, which allows you to deduct 30 percent of the cost of installing a solar energy system from your federal taxes. The full solar ITC is available to home solar owners through 2019. It drops to a 26 percent deduction in 2020 and 22 percent in 2021. After that, the residential ITC is due to expire unless Congress decides to extend it.

Get a Solar Estimate

Ultimately, the easiest way to answer the “How much does solar cost” question is to give our solar advisors a call at 844-578-6793. They’ll help you get an estimate for your home. Or you can contact a solar installer in your area directly. Here are some tips: Choosing a Home Solar Installation Company.

When you’re getting solar estimates, ask about the technologies the installer intends to use, their hardware, their monitoring software, their past installations and their maintenance plans. It’s especially important to ask about their warranty. Many companies offer multiple separate warranties for a solar system, and there can be hidden fees in, for example, replacing a broken panel. Solar Technologies covers its entire Equinox home solar system with one warranty and will not charge you, for example, to ship us a panel that needs to be replaced.

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This post originally appeared on the SunPower Resources Blog

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