Top Solar Companies in Nashua, New Hampshire

Find the Best Solar Installers in Nashua, New Hampshire

Nashua, New Hampshire
Finding the perfect solar installer in Nashua, New Hampshire just got easier. Skip the endless research – our guide does the heavy lifting by showcasing the top solar companies right here in Nashua, New Hampshire. We combine in-depth analysis with feedback from local customers to present you with the best options.
Discover companies with proven track records, excellent customer reviews, and a commitment to service and quality. Here’s our curated list of Nashua, New Hampshire’s most reliable solar installers to start your solar journey with confidence.
1
4.3Expert Score
Market leader

One of the top third-party O&M suppliers in the US, Borrego has the technological solar & storage know-how to address all of your plant maintenance and operation service needs. through increase system uptime and performance, our team works together from our NERC-compliant operations center through our technical field employees, customer-facing Regional Managers, and problem-solving Regional Managers. We handle your large-scale commercial and utility solar assets as if they were our own.

Pros
  • comprehensive financing options and reduced prices
  • energy efficiency improvement
  • various promotions and discounts
Cons
  • installation services only in certain states
  • prices may be higher than some other companies
  • not all roofs are suitable for installation
Year Founded1980
Company Websiteborregoenergy.com
Areas ServedCA, DC, MA, TX
Services Offeredengineering and design, financing, construction, operations, and maintenance
Panel Optionsmonocrystalline, polycrystalline, thin-film, and bifacial panels
Battery Installationslithium-ion, lead-acid, and flow batteries
CertificationsNABCEP, SEIA

Borrego is our top choice in with a score of 4.3. Here’s why:

  • Started in 1980, they know solar inside and out and really care about their customers.
  • They provide a wide range of solar services — engineering and design, financing, construction, operations, and maintenance — whatever you need to get a system set up and running.
  • They work all over CA, DC, MA, TX, bringing solar energy to local homes and businesses.
  • Borrego is doing quality work, has a good online reputation, and is trusted by locals, as shown by many positive reviews.

See full Borrego review.

2
4.5Expert Score
Market leader

Whether you’re a homeowner or a business owner, Solar On Earth can help you get the solar panels you need. Services including solar system design, installation, and maintenance are the company’s forte. Rooftop and ground-mounted solar panels, in addition to solar energy storage options, are just some of the solar solutions they provide.

Pros
  • Renewable Energy
  • Responsible Practices
  • Quality Service
Cons
  • Limited Geographic Reach
  • High Upfront Costs
  • Dependence on Weather
Year Founded2015
Company Websitesolaronearth.com
Areas ServedMA
Services OfferedInstallation, maintenance, financing, monitoring, and design.
Panel OptionsMonocrystalline, polycrystalline, and thin-film solar panels.
Battery InstallationsLithium-ion and lead-acid batteries.
CertificationsNABCEP, LEED, IREC, ASES, NSJC, SRCC

Solar On Earth is our top choice in with a score of 4.5. Here’s why:

  • Started in 2015, they know solar inside and out and really care about their customers.
  • They provide a wide range of solar services — Installation, maintenance, financing, monitoring, and design. — whatever you need to get a system set up and running.
  • They work all over MA, bringing solar energy to local homes and businesses.
  • Solar On Earth is doing quality work, has a good online reputation, and is trusted by locals, as shown by many positive reviews.

See full Solar On Earth review.

3
4.7Expert Score
Market leader

Boston Solar is a full-service solar energy provider. They specialize in residential and commercial solar energy installations, offering custom-designed systems that maximize energy production while minimizing cost. They also provide maintenance, monitoring, and energy storage solutions.

Pros
  • High Quality
  • Innovative Technology
  • Experienced Installers
Cons
  • Long Payback Period
  • Maintenance
  • Weather Dependent
Year Founded2011
Company Websitebostonsolar.us
Areas ServedMA
Services OfferedInstallation, Financing, Solar Repair & Maintenance
Panel OptionsMonocrystalline, polycrystalline, and thin-film panels.
Battery InstallationsThe LG Chem RESU10H, the Sonnen ECO 8.2, and the Tesla Powerwall 2.
CertificationsNABCEP, LEED, OSHA, MassCEC

Boston Solar is our top choice in with a score of 4.7. Here’s why:

  • Started in 2011, they know solar inside and out and really care about their customers.
  • They provide a wide range of solar services — Installation, Financing, Solar Repair & Maintenance — whatever you need to get a system set up and running.
  • They work all over MA, bringing solar energy to local homes and businesses.
  • Boston Solar is doing quality work, has a good online reputation, and is trusted by locals, as shown by many positive reviews.

See full Boston Solar review.

4
4.4Expert Score
Market leader

With NuWatt Energy, you, not a third party or the utility company, will own the solar system that is put on your roof.In order to confidently prepare for the future, we can assist you in charting your energy independence with our high-quality and low-cost solar energy solutions.

Pros
  • Competitive prices
  • Financing options available
  • Referral discounts
Cons
  • Installation cost can be high
  • Not in all areas
  • Not suitable for all types of roofs
Year Founded2010
Company Websitenuwattenergy.com
Areas ServedCA, CT, ME, MA, NH, NJ, NY, RI, TX, VT
Services OfferedInstallation, Financing, Architecture, Energy Auditing, Construction, Roofing, Electrical Contracting, General Contracting, Solar Repair & Maintenance, Community Solar
Panel Optionsmonocrystalline and polycrystalline photovoltaic (PV)
Battery InstallationsTesla Powerwall batteries
CertificationsNABCEP, SEIA

NuWatt Energy is our top choice in with a score of 4.4. Here’s why:

  • Started in 2010, they know solar inside and out and really care about their customers.
  • They provide a wide range of solar services — Installation, Financing, Architecture, Energy Auditing, Construction, Roofing, Electrical Contracting, General Contracting, Solar Repair & Maintenance, Community Solar — whatever you need to get a system set up and running.
  • They work all over CA, CT, ME, MA, NH, NJ, NY, RI, TX, VT, bringing solar energy to local homes and businesses.
  • NuWatt Energy is doing quality work, has a good online reputation, and is trusted by locals, as shown by many positive reviews.

See full NuWatt Energy review.

5
4.7Expert Score
Market leader

A developing business, New England Clean Energy focuses on finding sustainable energy alternatives. The business uses solar panels and other techniques to provide alternative energy sources. their company operations place excellent customer service and environmental responsibility at the forefront. The business is dedicated to developing renewable energy solutions for a better future, from home to commercial.

Pros
  • Quality
  • Affordable
  • Environmentally Friendly
Cons
  • Inconsistent Energy Output
  • Maintenance Costs
  • High Initial Investment
Year Founded2006
Company Websitenewenglandcleanenergy.com
Areas ServedMA, NH, RI
Services OfferedInstallation, Financing, Solar Repair & Maintenance
Panel OptionsMonocrystalline, polycrystalline, and thin film panels.
Battery InstallationsLithium-ion, lead-acid, and flow batteries
CertificationsNABCEP, UL, OSHA , EPA

New England Clean Energy is our top choice in with a score of 4.7. Here’s why:

  • Started in 2006, they know solar inside and out and really care about their customers.
  • They provide a wide range of solar services — Installation, Financing, Solar Repair & Maintenance — whatever you need to get a system set up and running.
  • They work all over MA, NH, RI, bringing solar energy to local homes and businesses.
  • New England Clean Energy is doing quality work, has a good online reputation, and is trusted by locals, as shown by many positive reviews.

See full New England Clean Energy review.

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How Much Can Solar Panels Save Me in Nashua, New Hampshire?

Finding out how much you can save on solar in New Hampshire is not a straightforward answer. It depends on several factors, including the solar billing of your utility company, the size of a potential solar system on your roof, and your household’s energy consumption. While most solar installers will try to cover all your electricity needs, the actual savings will depend on your home’s unique conditions. To get a personal estimate of how much you could potentially save by going solar, fill out a simple form on our website, use Google’s Project Sunroof solar savings calculator, or consult with a couple of local solar installation companies for a personalized savings calculation.

Solar Financing Explained

You can pay for solar panels in a couple of ways.

  • Cash
  • Installer solar loans
  • Personal loans
  • Cash-out refinance or HELOC
  • Solar Leases or Power Purchase Agreements (PPA)

First, there is a cash purchase, which in most cases provides the best price and long-term savings, but the upfront payment is not always what you can afford. If you want to own your solar panels and don’t have about $15,000 to $20,000 in the bank, you’ll have to choose solar panel financing.

You can consider a personal loan, a home equity line of credit, or a solar loan offered by the solar company. However, keep in mind that these loans come with interest and additional fees. Solar loans often are tied to dealer fees, which can increase the total cost of your solar system by 20% or more in exchange for a lower interest rate. To ensure you get the best possible deal, it is wise to compare the dealer fees and interest rates offered by different installers. This way, you can make an informed decision based on the most favorable terms available.

Some companies offer solar leases or PPAs that require zero upfront cost. But in such case, you don’t own solar panels and you are not eligible for any solar rebates or the federal tax credit. And, because you have to pay the solar company monthly, your total solar savings will be lower. Ask for detailed savings calculations from a solar installer to decide on the best option. In most cases, you will still be paying less for electricity.


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Frequently Asked Questions

How We Rank Solar Installers

Our main goal is to provide homeowners like you with top-rated solar companies you can trust. Our solar experts analyzed thousands of local and nationwide installers to get to the bottom of who is best in a specific location. The solar company ranking methodology is based on gathering input from homeowner surveys, consulting with industry experts, and extensive research into the solar energy market. Here are the things we believe are the most important to consider when choosing a solar company.

In short, here’s how we pick top installers:

    • Company that has been in business for over five years as it indicates stability, reliability, and successful installations.
    • Local solar companies over big national ones covering multiple areas as they can provide better personal attention and know more about the solar needs and regulations in their area.
    • Companies with hands-on experience and a wealth of projects under their belt are more likely to deliver efficient and timely installations that cater to specific customer needs.
    • Companies that handle their own installations instead of outsourcing to subcontractors ensure a higher caliber of work and nurture a culture of excellence and accountability in service.
    • Select a company that has a good overall reputation and reviews on sites like SolarReviews, BBB, Google Maps, and Yelp.
    • Companies that offer a wide selection of high-quality solar panels and related products and work with reputable brands.
    • Companies that provide flexible financing options such as solar loans, leases, or power purchase agreements.
    • Installers that provide substantial workmanship warranties and system performance guarantees.

Read more: Our Methodology.

What to Look for In a Solar Company:

To ensure that you partner with a great provider that can meet your needs of going solar, look for the following:

    • Make sure the solar installer has industry-standard certifications, such as those from the North American Board of Certified Energy Practitioners (NABCEP), indicating that they meet the gold standard in renewable energy installations. Also, verify if they are licensed, bonded, and insured for residential solar projects in your area. If subcontractors are involved, check their credentials as well.
    • Prioritize installers with a proven track record in solar installations, ideally with at least 5+ years of experience. Ask about the number of systems they’ve installed and their project portfolio. A competent installer should openly discuss the solar panels, inverters, and batteries they use if they help to take advantage of local solar incentives and rebates, and warranty coverage specifics.
    • Your installer should be forthcoming about the installation process and answer any questions you might have, like “How many solar panels will I need? Why?”, “Can you give me a detailed cost breakdown based on my energy consumption?”, “What solar panel brands do you install? Why?”, etc. They should also be transparent about their use of subcontractors, detailing their roles and how their work will be supervised.
    • A preliminary evaluation of your roof’s condition is the groundwork. The installer should advise on necessary repairs to ensure it’s ready for solar panel installation and clarify responsibilities for any potential roof damage during the process. Discuss aesthetic concerns, such as the placement of solar panels around roof vents or the possibility of relocating vents for a more visually appealing setup.
    • Check the installer’s reputation through online reviews and testimonials. They should be able to connect you with past customers willing to share their experiences. Personal recommendations from friends or neighbors who’ve gone solar can also be invaluable.
    • Solar installation costs can vary widely, so obtaining multiple quotes is advisable. Experienced installers will adjust their offers to your home’s specifics—size, energy needs, etc. For an objective cost comparison, calculate the price per watt of the proposed system, giving you a standardized basis to evaluate different quotes.

Should You Choose a Local Solar Installer or a Big National Company?

Always choose a local solar company over a big national corporation. Small local companies that operate in a distinct local area are better than multistate and national solar companies and large corporations. It’s the small local companies that get the best reviews on our website, and it’s the national multistate companies that get very poor reviews. Why so, you may ask? 

Solar is a local service business, for the most part, and it is extremely difficult to run a solar company and offer good customer service to many locations from a central office.

Local ones have a community connection, they know better the incentives and regulations in the area, and they simply care more about you than large businesses trying to get into your pocket and overprice you. While multistate solar companies might try to convince you by financial stability and “quality of installations across different locations”, try to choose a local company that meets all your criteria.

What Does a Solar Installation in Nashua, New Hampshire Look Like?

Here’s how a solar system installation will look like once the design for your solar system is approved:

    • First, a solar installer should estimate your energy needs and analyze your annual and monthly electricity consumption, which you can find on utility bills measured in kilowatt-hours (kWh). Such calculations will help to understand potential savings, payback period, and the system size you need.
    • A home energy audit is something every experienced solar company would do to understand the size and output needed.
    • Next question on the list: are your house’s roof conditions good enough for installation? A solar installer should carefully inspect the roof and ensure its conditions and orientation are good to go, how and where to better place solar panels and wire the system.
    • Next, they will design the system and show you how it’s going to look.
    • You will usually need a permit to install solar panels from your local authorities, and the solar provider should handle all the paperwork.
    • The entire process might take up to 3 months, depending on the state and local regulations, while the system installation is usually up to 3 days (might take longer depending on roof conditions and system complexity).
    • The installation crew should always clean up and remove any debris, leaving your house in good condition.
    • When the system is installed, it should be checked and approved by local municipality inspection.
    • If you’re connecting your system to the grid, it has to be wired to your local utility system. You’ll apply for connection through your utility company, which will also want to inspect your system to ensure it’s following utility guidelines. Some installers may help you with this step, so always ask. Once you have all the permits, your system will be up and running, powering your home with solar.
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Andriy Ryzhyy
Andriy Ryzhyy

Andriy is a content creator and product manager with experience in digital marketing automation and renewable energy sources. Holding a Master’s degree in Linguistics, he worked as a research assistant at the University of Ottawa, focusing on applying the Optimality Theory framework to information retrieval.

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