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Find the Best Solar Energy Companies

Read our guide to discover the best solar energy company for you. Solar power is the most accessible and abundant energy source on Earth, and also the cheapest. Solar energy can power air conditioners, water heaters and everything else in your home. We looked at prices, types of panels and all the factors you should consider before making the switch to solar.

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    Compare Top Solar Company Reviews

    Read 960 Reviews

    Offers Maxeon panel systems for homes and community properties. Storage software monitors and provides backup power. Lease, loan and purchase solar energy options. Easy installation without field wiring. Includes 25-year warranty.

    Get Started Call Now Toll Free (855) 463-9212
    SunLux Energy
    Read 343 Reviews

    Sells panels, inverters and batteries. Includes monitoring, lifetime support and 25-year warranty on parts, labor and repairs. Offers purchase, finance, lease or prepaid solar energy options. Performs full-service installations.

    Get Started
    Read 140 Reviews

    Provides solar panels, mounting hardware and inverters. Energy monitoring integrates smart home technology. Offers financing but not leases. Installs systems in 60 to 75 days. Includes a 35-year component warranty.

    Get Started Call Now Toll Free (913) 303-8908
    Vivint Solar
    Read 2,408 Reviews

    Specializes in home solar, battery storage and electric vehicle chargers. Purchase, PPA, loan or lease solar energy options. Installation takes four to eight hours. Includes 25-year panel and 10-year inverter warranties.

    Read 1,507 Reviews

    Combines solar power generation with a Brightbox battery to provide energy control and savings. Fast and efficient installations. Pay in full or make monthly payments. Includes 24/7 monitoring and lifetime warranty.

    Read 318 Reviews

    Offers solar energy options for homes and businesses. Provides multiple storage options and 24/7 monitoring. Purchase, lease and PPA options. Includes 25-year performance warranty and 20-year panel and installation warranty.

    Tesla Energy
    Read 55 Reviews

    Offers sleek, durable solar panels and solar glass roofing, net metering and Powerwall batteries. Typically installs systems within a day. Includes 12-year workmanship and 10-year inverter warranties.

    Dividend Solar
    Read 641 Reviews

    Provides renewable energy and energy-efficient financing solutions to property owners. EmpowerLoans and PACE financing available. No lease or PPA options. Sells and installs solar power systems through affiliated partners.

    Read 137 Reviews

    Provides solar, roofing, energy storage and chargers. Offers solar financing through Solar4America with no money down. No lease or PPA options. Includes 25-year warranty on solar power components.

    Solar Five
    Read 26 Reviews

    Specializes in residential and commercial solar systems with monitoring. Offers rooftop LIDAR panels and ground-mounted systems. Purchase, lease, loan and PPA options. Installs in one to three months. Includes 25-year warranty.

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      What is solar energy?

      Solar energy is the most accessible and abundant energy source on Earth, and it’s also the cheapest. Sun energy is a form of renewable energy, meaning it doesn’t use up natural resources or harm the environment. Compared to fossil fuels, solar energy reduces the amount of carbon and other contaminants emitted into the environment, which ultimately creates less pollution and leads to cleaner air and water.

      The most practical and common way to capture solar energy for residential use today is through solar panels. Solar panels are made up of a collection of photovoltaic cells, commonly referred to as PV cells. Air conditioners, water heaters and anything else that operates on gas or electricity can run on power generated by solar panels.

      How does solar energy work?

      The sun releases photons. When sunlight hits the photovoltaic (PV) cells of a solar panel, those photons knock loose electrons from atoms. The electrons flow through a circuit via a conductor to generate electricity. The PV modules then produce a direct current (DC), which is converted into alternating current (AC) by an inverter.

      Solar production is measured in watts, kilowatts and kilowatt-hours (kWh). Watts measure power, while kilowatt-hours measure energy produced. The average solar panel ranges from 250 to 400 watts and — under proper conditions — generates about 1 kWh per day.

      Most solar panels' wattage ranges from
      250 - 400.

      For example, imagine you have five 300-watt solar panels and get four hours of peak sun hours each day. Multiply each panel's wattage by peak sunlight hours, which gives you a production of 1,200 watt-hours per panel. Then divide by 1,000 to convert to kilowatt-hours per panel, which is 1.2 kWh. Multiply by the number of panels you have to estimate the total amount of energy your solar array can produce per day, which 5 kWh.

      Remember that solar energy systems only work as well as the solar cells used in the panels. Installing quality solar panels on the roof of your home or business benefits the environment and your wallet. You can further maximize your solar energy's efficiency with a power box, which combines a battery, inverter and generator into one unit. Be sure that the mounting system is durable and certified for weather-related issues in your area, such as high winds or cyclones.

      Solar systems don’t always generate the exact amount of energy that you need. With a solar battery, you can store energy to use when the sun isn’t shining. If you’re connected to the electrical grid and live in a state that allows net metering, you can also sell surplus electricity to your local utility company.

      Types of solar companies

      Even the best alternative energy companies usually aren’t equipped to manufacture, install and finance your solar energy system. Instead, many solar companies specialize in one or several of those areas. Homeowners mostly deal with installers and financing companies, but it’s essential to understand how the different types of solar companies function.

      • Solar panel manufacturers: Solar panel manufacturers create the solar cells and assemble the solar panels that go on your roof. Solar panel manufacturers are often at the forefront of solar energy research and development. The best solar panel manufacturers own their supply chain, assemble high-efficiency solar panels from the cells they create and offer long-term warranties on their products.
      • Solar panel retailers: Retailers are the middlemen between the manufacturer and the installer. Solar equipment retailers and distribution companies work with networks of suppliers, manufacturers, contractors and installers.
      • Solar installation companies: If you think about purchasing a solar energy system like buying a car, your installer is like the dealership. Usually, solar panel installers source panels from a manufacturer directly or through a solar panel wholesaler or retailer. A solar panel installer’s primary business is getting solar panels working on your rooftop, which requires other components, including wiring or inverters. These companies can be small or large. Some serve only certain geographic areas, while others operate nationwide.
      • Solar financing companies: These companies help people finance a solar panel system for their home through solar leases, loans or power purchase agreements. For more information, read our guide on solar financing companies.

      Should I go solar?

      If your yard receives a decent amount of sunlight, solar panels might be a good investment for you. Ask yourself two questions when considering switching to solar energy for your home or business:

      1. How much is your energy bill?
        Most of the time, your current utility bill needs to be at least $75 per month to save money by going solar. Residential solar companies set this $75 threshold because your electricity usage isn’t high enough to see energy savings by installing solar panels if your monthly utility bill is less than that.
      2. What kind of roof do you have?
        Solar panels are most efficient if they are mounted toward the rotation of the sun (that’s south-facing if you’re in the northern hemisphere). The best solar panels have a life expectancy of 40 or more years, so you need to be sure your roof can last just as long. Solar panels also require mounting hardware, which works best on composite or asphalt shingles, concrete tiles, standing-seam metal or other sturdy materials. If you’ve been thinking of replacing or repairing your roof, prioritize that over installing residential solar panels.

      Is my house a good candidate for solar?

      The benefits of solar probably outweigh the disadvantages if you have a sturdy roof and your utility bill is more than $75 per month. Next, consider the size of your roof, how much sun you get and your location to determine if your house is a good candidate for solar.

      • The size of your roof: One solar panel is 5.5 feet tall by 3.5 feet wide, so the area of available space on your roof might determine how much of your energy need can be met by solar panels. For example, if you use 30 kWh of power daily, you would need an average of 20 to 30 solar panels to generate the required power.
      • How much sun you get: Solar panels produce more power when they get direct sunlight and aren’t shaded by trees or taller buildings. Solar energy companies calculate “peak sun hours” unique to your home. The more peak sun hours in your area, the more electricity you can produce. You can calculate your peak sun hours by placing an insolation meter in direct sunlight — the meter measures the potential solar power supply and current light intensity in your area. Most homes in the United States average three to five peak sun hours, with less in the winter and more in the summer.
      • Where you live: Some states are better for going solar than others. For example, California’s solar industry has boomed in the last few years because of the state’s $46 billion investment in renewable energy. Your climate also affects how much energy you need (e.g., you use more power if you must continuously run air conditioning). Keep in mind that if your home is surrounded by shade from tall buildings, large trees or other obstructions, this interferes with the amount of sunlight your panels receive and makes them less effective.

      Going solar

      Going solar is much easier than it used to be. Once you determine your energy needs and compare solar energy companies, make sure your roof can handle having solar panels installed. You should understand solar incentives and consider the available financing options.

      It’s smart to get quotes from multiple companies — this ensures you get the best deal on all your solar equipment components. If you hire an installer, its employees do all the heavy lifting and help you complete permitting paperwork. Finally, connect to the grid to officially go solar.

      1. Determine your energy needs
      The first step in going solar is determining how much energy your home uses. The average U.S. household requires approximately 900 kWh of electricity per month. Considering each solar panel generates between 1 kWh to 1.5 kWh of power each day, the average American home would need between 20 and 30 panels to run entirely on solar power.

      Generally, the more panels on a home or business, the more energy a solar power system can create. The amount of electricity that your panels generate varies by location and available sunlight. The efficiency of your solar panels and how much power you require in your home or business affects the number of solar panels you need.

      2. Understand solar incentives
      Find out if your state offers solar incentives, such as government subsidies or rebate programs designed to encourage more residential solar energy systems. Solar investment tax credits also make the economic benefits of solar energy accessible to more consumers. After tax credits have been applied, the average price to go solar ranges from $7,926 for a 4 kW system to $37,985 for a 20 kW system.
      3. Consider solar financing options
      Solar modules and installation costs have gone down since the commercial solar industry started. Still, going solar is not affordable for the average homeowner without a little help. To offset the high upfront price of going solar, many solar companies offer financing loans or power purchase agreement (PPA) programs.

      Solar loans have terms and conditions similar to most other home improvement loans, and some states offer subsidized solar energy loans with below-market interest rates.

      Solar lease companies allow consumers to use solar panel equipment for a fee. Homeowners who choose to lease solar panels instead of purchasing them do not receive the same tax credits, rebates or other incentives offered by the federal government and local utility company.

      4. Get quotes from at least three companies
      Select a handful of companies in your area that provide residential solar power options, then request quotes so you can compare pricing. Most solar energy companies want to see an annual statement from your utility company to estimate costs, so it’s smart to have that information ready when you are requesting bids.

      As you compare companies, be sure to ask how long the installation process takes and how long each equipment component is covered by warranty. Remember that you don’t have to go with the same company for installation and financing.

      5. Select solar power system equipment
      The best solar brands maximize the amount of energy you can generate in the minimum amount of space. Consumers should evaluate solar panels and other equipment options on three primary parameters: electricity production, durability and quality. Remember to ask about the warranty for all solar equipment components.
      • Solar panels: As you compare solar energy options, remember that higher efficiency is always better. Currently, three types of panels are available on the solar market — monocrystalline, polycrystalline and thin-film amorphous. Residential solar energy systems most commonly incorporate monocrystalline and polycrystalline solar panels. Thin-film amorphous solar panels are cheaper but also less efficient, which makes them more ideal for commercial applications where space isn’t a concern.
        • Degradation rate: Pay attention to the degradation rate and temperature coefficient to find quality solar panels. The degradation rate refers to how much the output declines each year — the average degradation rate for solar panels is about 0.8%, so anything less than that is more durable than average.
        • Temperature coefficient: The temperature coefficient refers to how much panels decrease in efficiency each degree above 25°C. (PV modules are tested at 25°C, so 25°C is the solar industry’s universal reference point.) Look for PV modules with a temperature coefficient between -0.3% and -0.5%.
      • Power inverter: An inverter converts DC electricity into AC electricity, which is what powers your home. After panels, your inverter is the most critical part of your solar energy system. To select the best inverter for you, consider how many watts you need and the power rating. The most common kinds of inverters are string inverters, central inverters and micro-inverters.
      • Storage batteries: Solar storage batteries provide continuous power to your home, even when the sun isn’t shining. These batteries come in handy whether you are on or off the grid. The best solar batteries can store large amounts of electricity and withstand multiple discharge-recharge cycles.
      • Charge controllers: Charge controllers regulate current and voltage to prevent batteries from overcharging. Solar charge controllers can be either PWM (pulse width modulation) or MPPT (maximum power point tracking). Generally, MPPT controllers are more expensive but more sophisticated.
      • Monitoring equipment: Monitoring equipment connects to the inverter and lets you know how efficiently your panels are generating electricity. Most solar energy companies use proprietary software to monitor solar arrays.
      6. Hire a local or national installer
      Once you have an idea of the solar equipment that you want, start thinking about whether you want a national or local installer. There are pros and cons to both — national companies often have better warranties, but local companies are more familiar with your state’s incentives and permitting requirements. According to the National Renewable Energy Laboratory (NREL), local solar installers cost an average of 10% less than national residential solar installers.

      Before selecting a local solar installation company, review the companies’ customer ratings and seek references from homeowners who have recently completed a similar system installation. Find out if they employ in-house installers or use contractors. You should also consider whether the company offers in-house financing and if the company you are considering offers warranties for parts or equipment.

      7. Complete municipal permits and utility paperwork
      There’s some paperwork to complete before solar panels can be installed. Homeowners must apply for proper permissions with their state or local government. You might have to comply with building codes as well, depending on where you live. Without the correct paperwork, you risk hefty fines.

      You then need to make arrangements with your local utility company to outline a net-metering agreement, a contract that details the responsibilities for you and the utility company and covers information like electric rates and compensation for excess energy fed into the grid. Your utility company may also require justification for the size of your system, particularly if it produces more power than you typically use.

      8. Connect solar panels to the grid
      A final inspection is required to ensure the system meets safety regulations before you can connect to your local utility grid. A grid system provides reliable, economical electricity. Solar panels can be directly connected to a power inverter and then connected to a home grid, or they can be connected to the inverter through the battery and then to the home grid. It’s not wise to install the panels yourself, though; instead, hire a qualified professional with certification who works with high-quality solar panels.

      What are the best solar energy companies near me?

      We compared the top local solar energy companies across the U.S. to help you find the best in your city.

      Solar energy questions

      What are the different types of solar energy technologies?
      When it comes to harnessing photons into energy, there are two main types of solar energy technologies: photovoltaic cell (PV) and concentrating solar power (CSP). Both convert sun energy into electrical power.
      • Photovoltaic technology: PV technology converts sunlight into electricity with solar panels. Most common in solar for home use, photovoltaic panels are made of many solar cells that have semiconductor materials that capture light. When the sunlight hits those solar cells, electrons are knocked loose, which creates an electric current. The electrons flow through a circuit to generate usable electricity — the more panels on a home or business, the more energy the solar power system can create.
      • Concentrated solar power: Referred to as CSP, concentrated solar power is used mostly in large power plants and is not typically recommended for residential use. CSP technology concentrates sunlight using mirrors and reflectors to collect solar energy and turn it into thermal energy. This thermal technology harnesses the sun’s heat and converts it to mechanical energy before converting that to concentrated solar power to heat homes and water. This energy can be used to power turbines, which then makes electricity. CSP plants can also store their energy in order to produce electricity at all times of the day.
      How do I choose a solar company?
      Before making any decisions, research multiple solar energy companies and read their customer reviews to make sure the solar company is right for you. To narrow down your solar power options, check each company’s licenses and insurance policies. You should request pricing quotes from at least three of your top picks. When you ask for a quote, ask the following questions before you take the next step:
      • What solar loans or financing programs do you offer?
      • How many solar panels will I need based on my monthly energy consumption?
      • What does your warranty cover, and for how long?
      • Will you take care of city permitting and state requirements?
      Do you really save money with solar panels?
      Solar panels really do save money on electricity costs, and you might even make money. If you install solar panels in 2020, you can save up to $20,000 on energy bills over the next 20 years. Through net-metering, you can sell extra electricity that your panels produce back to your local power company.
      How much does solar installation cost?
      Average solar installation costs range from about $10,000 to $25,000 before incentives and tax credits. Solar panel installation prices vary depending on multiple factors, including:
      • Where you live
      • Incentive eligibility
      • Type of panels
      • Number of panels
      The federal solar tax credit can reduce your solar installation costs by 30% if you meet all of the eligibility requirements. You could also be eligible for extra incentives through state or local government programs to help offset the initial costs. Most property owners recoup the cost of the solar power installation when they sell their homes.
      How many solar panels would it take to power a house?
      The average American house needs approximately 20 to 30 solar panels to cover 100% of its electrical power needs. The exact number of solar panels you need to power your house depends on a few factors, including:
      • Your electricity usage
      • Type of panels you have
      • Solar exposure
      If you’re concerned about the number of solar panels you’re going to need, don’t be afraid to get quotes from different providers and compare benefits.
      How does the federal solar tax credit work?
      Federal solar tax credits reward homeowners who invest in solar energy with a reduction in income taxes. Homeowners are only allowed to claim systems they own, which is why solar leasing is becoming less popular.

      The federal Solar Investment Tax Credit (ITC) lets you deduct 26% of the cost of your new solar energy system and its project costs (including equipment options, permitting and installation) through 2020.

      The tax credit decreases from 26% to 22% in 2021 for residential solar power systems. For example, if you spend $15,000 to install a solar panel system in 2020, you get a $3,900 credit. In 2021, you will only get a $3,300 credit for the same installation. ITC is expected to be 0% for homeowners by 2022, though we may see an extension.

      Does solar increase home value?
      Yes, solar usually increases home value. On average, homeowners who install solar panels see a 3% to 4% increase in property value.
      Is it harder to sell a house with solar panels?
      Sometimes it’s harder to sell a house with solar panels, but not always. The process is relatively straightforward if you own the solar panels on the house you’re selling. Be aware that solar panels occasionally complicate appraisals if you don’t include them in the value of your home.

      It’s much more challenging to sell a home if you leased solar panels. You most likely will have to buy out of the lease or transfer the lease to your buyer. Some companies allow early termination, though an exit fee will likely apply. Transferring a solar lease can become complicated because the buyer and seller must both cooperate.

      Do solar companies put a lien on your house?
      Only solar lease companies put a lien on your house. Homeowners who lease their solar panels agree to have a lien on their property. Because of the lien, homeowners who lease solar panels may face challenges should they wish to refinance their homes while the panels are installed.

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        Author reviews about solar companies

        Dividend Solar

        Dividend Solar is a financing company that gives homeowners a way to invest in solar. It has brought to market a solar financing and solar investment solution that is unavailable from any other entity in the solar industry.

        Read 641 Reviews
        Vivint Solar

        Vivint Solar is available to consumers in 22 states. Plans include solar purchase, solar loan, solar power purchase agreement (PPA) and solar lease. Monitoring is available through the Vivint Solar app.

        • Solar products: Vivint offers monocrystalline and polycrystalline solar panels plus a line of solar batteries, powerful chargers and smart home apps. The company partners with LG Chem to provide batteries with an energy capacity of 9.8 kWh and a warranty of 10 years. They are wall-mounted, noiseless and safe to touch.
        • Financing options: Vivint Solar offers solar loans, but its most popular financing option is its PPA structure.
        • Installation process: The Vivint installer team attaches panels to your roof and completes the grid and electrical work. Typical solar panel installation takes four to eight hours.
        • Warranty: The company’s solar panels are covered by a 25-year warranty and its inverters are covered by a 10-year warranty.
        • Coverage areas: Vivint Solar is available in Arizona, California, Colorado, Connecticut, Delaware, Florida, Hawaii, Illinois, Massachusetts, Nevada, New Hampshire, New Jersey, New Mexico, New York, Pennsylvania, Rhode Island, South Carolina, Texas, Utah, Vermont, Virginia and Washington, D.C.
        Read 2408 Reviews

        Perhaps the largest residential solar installation company, this California-based subsidiary of Tesla manufactures and installs solar panels, servicing about 275,000 residential and commercial customers in 19 states and Washington, D.C.

        Read More
        Solar Five

        Solar Five is based in Massachusetts and believes in building a stronger community by supporting neighborhood businesses that employ local residents. The company also supports local initiatives. It provides affordable solar energy to homeowners, businesses and governments.

        Read More

        Sunrun specializes in customized solar energy systems. Through the mySunrun app, you can track your system’s energy production, share your system’s stats via social media and change your billing preferences.

        • Solar products: With Sunrun, you can purchase an LG Chem battery in addition to your solar energy system. This battery stores the excess energy that your system produces, making it available to you in an outage.
        • Financing options: If you want to lease the system, you can pay Sunrun a set amount per month or pay them a higher upfront fee and avoid the monthly payment. If you want to own the system, you can pay off the system in full or finance it with a loan.
        • Installation process: Sunrun’s installation team mounts and installs the inverter, meter and panels on your roof.
        • Warranty: SunRun guarantees the performance of its product throughout the product’s lifetime. This warranty promises free repairs to your solar energy system. SunRun’s systems also include a roof warranty in case of leaks or holes.
        • Coverage areas: Sunrun is available in Arizona, California, Colorado, Connecticut, Florida, Hawaii, Illinois, Maryland, Massachusetts, Nevada, New Hampshire, New Jersey, New Mexico, New York, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, Texas, Utah, Vermont, Washington, D.C., and Wisconsin.
        Read 1507 Reviews
        SunLux Energy

        SunLux handles everything: site evaluation, paperwork, installation and maintenance. The company also works with commercial clients in California to maximize energy savings and return on investment.

        • Solar products: SunLux offers Panasonic HIT Solar Panels, LG Solar Panel and Q.Peak Solar Panels. Inverters are from SolarEdge, Enphase Microinverter and SMA. Solar battery storage options include Tesla, LG and Enphase systems.
        • Financing options: You can pay for your SunLux system in full or explore loan and lease options. SunLux Energy partners with finance companies to offer financing for its energy systems. It also partners with solar leasing programs and offers leasing options for people paying more than $100 per month on their energy bills.
        • Installation process: SunLux provides full-service installations. Once your initial evaluation is complete, its engineers design a system that fits your property and send it to you for approval. The company handles all required permits.
        • Warranty: SunLux provides complete coverage for 25 years, including parts, labor and shipping costs for any repairs or maintenance.
        • Coverage areas: SunLux has locations in California, Texas, Nevada and Arizona.
        Read 343 Reviews

        SunPower manufactures Maxeon solar panels and keeps distribution in-house. SunPower helps you choose the best financing option for your situation and handles permitting paperwork, tax incentive applications, testing, monitoring and maintenance.

        Read More

        Zenernet provides convenient consultations, upfront pricing and financing options. Professional solar panel installation is available across the U.S. with long-term warranties.

        • Solar products: Zenernet builds solar panels systems to look good and perform well with sleek, black-on-black panels. It also partners with Sense to integrate smart home technology to monitor energy usage.
        • Financing options: Solar loans are available, but not leases. PACE partners include California First, Hero and Ygrene.
        • Installation process: Solar power system installations are typically completed in 60 to 75 days. Zenernet’s network of professional local installers with solar experience are all certified and insured.
        • Warranty: All system components are covered by a 35-year warranty.
        • Coverage areas: Zenernet is available in Arizona, California, Connecticut, Delaware, Florida, Idaho, Illinois, Kansas, Massachusetts, Missouri, New Jersey, New Mexico, New York, Nevada, North Carolina, South Carolina, Rhode Island, Texas and Utah.
        Read 140 Reviews
        Complete Solar

        Complete Solar specializes in sales and installation. Complete Solar offers a range of services and helps clients choose specific features while staying within their budgets.

        Read 187 Reviews

        PetersenDean is a residential and commercial roofing and solar company that handles estimating, design, permitting and installation.

        Read 137 Reviews

        Sungevity is a leading solar power provider that designs and installs residential and commercial solar systems. It offers flexible financing options and fast installation times.

        Read More
        Go Solar

        This Colorado-based and Colorado-focused full-service solar company has partnered with high-quality U.S.-based companies to offer great solar products made in the U.S.

        • Solar products: Go Solar Inc. uses quality German-engineered, 310-watt monocrystalline solar panels and state-of-the-art inverters. Go Solar Group designs your solar array to fit your home’s specifications.
        • Financing options: You can pay in cash or get a solar loan. Go Solar does not lease solar arrays.
        • Installation process: Go Solar has a team of in-house installers.
        • Warranty: Solar panels include a 25-year warranty. Go Solar Inc. keeps the customer experience smooth and pleasant with in-house contractors, financing, maintenance, monitoring and even roof repair.
        • Coverage areas: Go Solar is available in Nevada, Utah and Texas.

        Compare Top Solar Company Reviews

        Complete Solar
        Read 187 Reviews

        Specializes in solar panel sales and installations. Provides net metering. Partners with financing companies to offer loans and PPAs. Installation takes two to three days. Guarantees systems for 25 years.

        EnergySage Read Reviews

        Provides free solar energy educational resources. Helps homeowners compare solar power quotes and find local solar installers. Partners with Go Solar California, Massachusetts Clean Energy Center and Environment America.

        Blue Raven Solar

        Provides solar energy systems for $0 down. Offers 18 months of free solar power. Handles design, permits and installation. Includes a 25-year manufacturer warranty. Installs systems in as little as one day.

        Solar Optimum

        Partners with manufacturers like LG, Panasonic, Tesla, Enphase and Unirac for solar equipment. Offers financing and leasing options. Systems come with a comprehensive 25-year warranty.

        Trinity Solar

        Offers complete solar service, from design to permits to installation. More than 50,000 installations in eight east coast states. Installation in as little as one day. NABCEP and BPI certified. Partners with local nonprofits.

        Go Solar Read Author Review

        Designs each solar array per home specifications. Uses 310-watt monocrystalline solar panels and state-of-the-art inverters. Employs a team of in-house installers. Offers purchase and financing options but not leases.

        Read 595 Reviews
        Out Of Business

        Nationwide residential and commercial solar panel installation specialist, now a subsidiary of Tesla that’s responsible for installing low-profile-design solar panels and solar roof tiles for use with Tesla’s home battery system.

        by Zachary Shahan Solar Energy Contributing Editor

        Zachary Shahan is the director of CleanTechnica, and his key areas of focus are solar energy and electric vehicles. He has been referenced or interviewed by essentially every major media organization as a recognized global thought leader on solar energy.