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    Home Renewable Energy

    Top 8 Common Solar Panel Myths Debunked

    By: Kristina Zagame
    Updated: October 12, 2022
    Edited By: Karsten Neumeister
    Facebook icon Twitter icon Pinterest icon Email icon
    solar energy pros and cons
    Why you can trust us

    Founded in 2005 as an Ohio-based environmental newspaper, EcoWatch is a digital platform dedicated to publishing quality, science-based content on environmental issues, causes, and solutions.

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    If you’ve ever talked to a group of people about solar panels, you’ve probably heard a lot of strong opinions. But it seems a lot of what people think they know about solar panels isn’t true.

    Solar panel technology first materialized in the 1950s and has significantly advanced since then. While technology continues to improve, a lot of the stigma surrounding them is stuck in the past.

    So, let’s debunk the most common myths about solar panels.

    Jump To: Solar Panels Are Too Expensive | Solar Panels Only Work When the Sun Is Shining | Solar Panels Decrease Home Value | Solar Panels Aren’t Efficient Enough | Only Homeowners Can Go Solar | Solar Panels Will Damage a Roof | Solar Panels Hurt the Environment More Than They Help It | Solar Panels Are Ugly

    1. Solar Panels Are Too Expensive

    A 2022 EcoWatch survey found that 60% of homeowners agree that solar panels are too expensive. The cost was also the top reason why homeowners said they would not consider installing them.

    We’ll start by saying that solar panels for homes aren’t cheap. But, the cost has dropped by roughly $20,000 in the past decade. According to the Solar Energy Industries Association (SEIA), the average-sized residential solar panel system has dropped from $40,000 in 2010 to roughly $20,000 in 2021.1

    Myth: Solar panels are too expensive

    Those are also the pre-incentive figures. Factoring in the federal tax credit, a $20,000 system would drop to $14,000. Some states also offer additional solar incentives that can lower the cost of solar even further.

    Meanwhile, the cost of retail electricity is rising, with the average electric bill increasing from roughly $110 in 2010 to $122 in 2021.2

    You have to think of solar as an investment that will pay for itself over time. Between energy savings, tax credits, rebates and solar financing options, many homeowners find that going solar is much more affordable than previously thought.

    2. Solar Panels Only Work When the Sun is Shining

    Our EcoWatch survey also revealed that 40% of homeowners believe solar only works when the sun is shining.

    To find out if this is true, we asked Dr. Greg Poelzer —  a Professor in the School of Environment and Sustainability (SENS) at the University of Saskatchewan — if solar panels still work on cloudy days.

    “Since clouds are not entirely opaque, sunlight still passes through them and reaches solar panels,” Dr. Polzer said.

    “The electricity generated may be lower than on days without clouds, but there is a significant difference between the sunlight that is diffused through cloud cover versus sunlight that is blocked by solid objects like tall buildings.”

    Research has shown that solar panels typically generate 10 to 25% of their standard power output on non-sunny days.

    3. Solar Panels Can Decrease Home Value

    Some people try to argue that solar panels will decrease the value of a home. But according to our survey, 70% of homeowners believe that solar panels increase a home’s resale value, and 63% of homeowners said they would pay more for a home with solar panels than a home without.

    Myth: solar panels decrease home value. Fact: homes with solar panels sell for more than homes without

    But again, you don’t have to just take our word for it.

    A study from Zillow found that homes with solar installations tend to sell for about 4.1% more than homes without.3  An older study from the Lawrence Berkeley National Laboratory revealed an increase in the resale value of approximately $5,911 for each kilowatt of solar power that’s installed.4

    So there you have it — solar panels do increase home value.

    4. Solar Panels Aren’t Efficient Enough

    When some homeowners hear that solar panels have an efficiency rate of 20-22%, some think that means they’re not strong enough to power their homes. Why isn’t it at 100%?

    Truthfully, it’s because it doesn’t need to be. Solar energy is much stronger than standard electricity. 

    According to the Department of Energy, just one and a half hours of sunshine could power the world for an entire year.5 That means solar is more than capable of powering your home.

    Not efficient.png


    Based on internal calculations, the average U.S. homeowner can offset their entire household energy needs with a 9 kilowatt (kW) solar panel system. But it also depends on what type of solar panel they choose, and if the home has an energy storage system.

    California Institute of Technology professor Nathan S. Lewis said if a homeowner installs a monocrystalline solar panel, like the one from SunPower, they’ll be plenty efficient for their household needs, especially for homeowners who don’t have a lot of space.

    “[Sunpower Panels] have a lot of value for limited areas because the higher efficiency means that one [panel] can make more electricity from a small roof than can be made from lower efficiency panels, to help meet the electricity demand of a household in full,” Dr. Lewis told EcoWatch.

    More From EcoWatch: SunPower Solar Company Review

    5. Only Homeowners Can Go Solar

    There are many ways to utilize solar panels as a renter or business owner, like getting plug-in mini solar panel systems or solar-powered appliances. But the best way is to join a community solar program.

    Myth: only homeowners can go solar. Fact: Community solar can be used by retners and business owners

    Community solar allows people who don’t own their homes or who live in an apartment building to take advantage of solar energy through a shared solar array. These arrays are typically installed offsite and you can buy a share or pay a monthly subscription for access to the solar energy the solar system produces.

    While you won’t be able to take advantage of solar incentives, joining a community solar project is still a great way to reduce your electricity bill and your carbon footprint.

    6. Solar Panels Will Damage a Roof

    There’s always a risk of damage involved with installing something on your roof. But if you’ve heard a horror story about your neighbor’s aunt’s friend’s cousin who had their roof damaged by solar panels, know that’s a very rare occurrence — and typically one that happens from non-professional DIY installations. 

    myth: solar panels will damage a roof graphic

    A reputable solar company will inspect your roof and let you know if it’s in good condition for solar. Homeowners interested in solar should also look for qualifications, like certification from the North American Board of Certified Energy Practitioners (NABCEP) and ask for proof of license from contractors.

    In most cases, solar panels aren’t directly attached to a roof. They’re usually installed on mounts and surrounded by protective covers called “flashing.” Once installed, solar panels can protect your roof by shielding your shingles from the elements, including hail and UV sun damage.

    7. Solar Panels Hurt the Environment More Than They Help It 

    We’re huge fans of solar panels around here, but we’re not going to neglect to acknowledge that the process of making them isn’t harmful to the environment. 

    Myth: solar panels hurt the environment more than they protect it. Fact: solar panels have a carbon footprint 18 times smaller than fossil fuels

    Solar panel production is currently reliant on fossil fuels and mining for precious metals, which contributes to greenhouse gasses and pollution. There’s also the issue of solar panel recycling, which hasn’t been quite nailed down yet.

    However, even with their shortcomings, solar panels are far greener than the alternative. Burning coal generates a footprint 18 times the size of solar, while natural gas creates an emissions footprint 13 times the size.6

    Solar also produces zero emissions after production, which makes it an essential solution to slowing climate change. And as technology advances, we anticipate that the process of creating solar panels will become even more eco-friendly.7

    8. Solar Panels Are Ugly

    Okay, it’s hard to call this one a myth. But it is an argument some homeowners make for not wanting to install solar panels. The EcoWatch survey revealed that 31% of homeowners think solar panels are ugly.

    Disliking the appearance of solar panels was also the second most popular reason homeowners said they wouldn’t install solar panels, right behind them being too expensive.

    Most solar panel systems are still quite bulky, but the aesthetics have come a long way since they were first developed in 1954, and there’s more hope on the horizon.

    tesla solar panels
    Courtesy: Tesla Solar

    Many have praised thin-film solar panels for their sleek design, but because they aren’t that efficient, they’re a less-than-ideal choice to power an entire household. But according to Dr. Poelzer, this could change soon.

    “Technological advancements in thin-film PV research are also rapidly pushing this lighter, more flexible and less temperature sensitive option to achieve efficiency levels that rival the mono- and polycrystalline system,” Dr. Poelzer said.

    Additionally, companies like Tesla have been developing technologies such as solar shingles to make high-efficiency solar modules more aesthetically pleasing.

    As it currently stands, solar roof tiles aren’t as widely available and are much more expensive than standard rooftop solar panels. But as the technology becomes more popular and cheaper to produce, solar roofs will become more accessible to homeowners.

    More From EcoWatch: Tesla Solar Review (Are Tesla Solar Panels Worth It?)

    Shining a Light on Solar Panel Stigma

    Hearing negative comments and conflicting information about solar panels can give any homeowner hesitancy about installing them. That’s why it’s important to know the facts about solar panels.

    EcoWatch’s panel of solar experts has done extensive research on solar energy. You can find more informational guides here or send questions to us at solar@ecowatch.com.

    If you’re more curious about the solar installation process, check out our review of the best solar companies to find a reputable installer who you trust — one that isn’t just trying to sell you on the product.

    Subscribe to get exclusive updates in our daily newsletter!

      By signing up, you agree to the Terms of Use and Privacy Policy & to receive electronic communications from EcoWatch Media Group, which may include marketing promotions, advertisements and sponsored content.

      Kristina Zagame

      Kristina Zagame is a journalist and content writer with expertise in solar and other energy-related topics. Before joining EcoWatch, Kristina was a TV news reporter and producer, covering a wide variety of topics including West Coast wildfires and hurricane relief efforts. Kristina’s reporting has taken her all over the U.S., as well as to Puerto Rico and Chile.
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