603 Solar
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603 Solar
603 Solar began with one thing in mind: educating New Hampshire home owners who are interested in solar to our fullest capability and assisting them in orchestrating their solar panel installation so they get the best possible return on investment. If you have ever been interested in learning the advantages of PV solar panels for your home or business, you have come to the right place.

Please take a few moments to browse our website to learn more about us and the services we offer! All of the 603 Solar staff were outstanding! They were highly professional, smart, proactive, knowledgeable and great to work with. They quickly took care of all of the logistics related to our solar installation, and the installation team was as good as it gets.

Great team, great product, great outcome! 603 Solar was an excellent partner to work with. They were professional, prompt, easy to work with, had great communication, and the installation and quality of equipment is top-notch. We're very happy to have gone with 603 Solar for our roof mount system.
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Our mission is to educate people on the benefits of solar energy, to the best of our ability, and to assist home and business owners to receive the best return on investment for their solar array. 603 Solar is a solar energy service based in Exeter, NH. We wanted to begin a solar company structured on the values of integrity and honesty, providing an amazing customer experience and getting people the best return on investment.
Most of the solar arrays we install are know as Grid-Tied Systems. That is because even though you are producing power with your own solar energy, you are still connected to the grid for just in case scenarios, and Net Metering. Read below to learn how grid-tied systems and net metering work! Photovoltaic Solar (or PV for short) starts with our good friend, the sun!
603 Solar has partnered with the Vermont State Employees Credit union (VSECU) as a financing option for your solar array! 603 Solar is proud to work with VSECU as they offer a No-Money-Down "VGREEN" solar loan that understands solar and the benefits that it has to offer. This makes it easy and affordable for home owners to make the switch to solar energy without having to come out of pocket to do so.
At 603 Solar we like to start with the end in mind. Before your solar array is built we provide you with a detailed proposal so you know exactly how the array will look before we install it. We always strive to attain the best possible output for your system, while keeping aesthetics in mind, and will work with you to get exactly what you want.
Solarize Canterbury was the first major community solarize project that 603 Solar has been a part of. Solarize Canterbury all started with the Canterbury Energy Committee. The committee heard of towns in New Hampshire partnering with a local solar company to promote and educate the community on solar and was inspired to follow suit.
Reviews (16)
Mark Wilson
Mark Wilson
Dec 08, 2021
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I would not hesitate to recommend 603 Solar to anyone wanting to add solar panels to their home. Zach and his team exceeded my expectations in all areas of the process.
Keith Moon
Keith Moon
Nov 14, 2021
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We looked into multiple companies for our Solar install and decided on 603 Solar as they were very attentive to our inquiries, honest with their answers and seemed very easy to work with. Everyone who was involved with our project from 603 Solar was great to work with. Great communication throughout the entire process. We would highly recommend choosing 603 Solar for your own project.
Brigid McNamee
Brigid McNamee
Nov 05, 2021
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We had a wonderful experience working with Zach and the team at 603 Solar. The communication throughout our project from the planning stages to the iinstall was great. The workers were friendly and… professional. The paperwork, permits and inspections happened seamlessly. The pricing and equipment offered by 603 was the best value by far. I highly recommend them.
Melissa T.
Melissa T.
Nov 02, 2021
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We have now used 603 Solar twice and have nothing but good things to say about their customer service. Scot is always prompt at returning texts and calls when I have questions and they were quick to get us taken care of when our energy needs changed (we added another adult to the household and also a hot tub!). Erin in the office is also great at answering questions or getting me the answers and returns emails in a timely fashion. It goes to say we would use them again. We have already used them twice.
William Rapf
William Rapf
Oct 20, 2021
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Zach recently bid on a municipal project in Amherst NH. We found Zach and his Company, 603Solar, to be extremely accommodating, friendly, competent, and thorough. He provided insight and perspective to our project. His honesty, character and willingness to be flexible and go that extra step made 603Solar a standout in the competitive world of NH solar business.
Sara Badger Wilson
Sara Badger Wilson
Sep 26, 2021
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Amazing easy and pleasant experience. Scot was wonderful to work with and and managed our expectations, dates, pricing and time-frames. Sub-contractor/installer was Adams Electric and they were amazing. Neat,… clean, courteous and very tolerant of my dog. All around a great experience. Very happy with everything from start to finish.
Raven Chaput
Raven Chaput
Sep 04, 2021
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My husband and I began our project with 603 Solar around fall of 2020. They are great to deal with. I found them to always be ready to explain anything and solve any issues. Our original sales person moved on… over the winter; we got a call from the owner in the Spring letting us know this and making sure he had all the details of our project correct. They used Adams Electric to install our system. These guys were great also. They ran into much, much ledge on our property and our couple day project turned into like four days. They never got frustrated and never gave up. Also, we lost our
Jim Barker
Jim Barker
Aug 14, 2021
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603 Solar did a great job for us. 30 panel ground array. Professional installation crew. 603 very responsive to emails. Thanks!
Kevin Porter
Kevin Porter
May 18, 2021
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Scot and the team at 603 Solar were great to work with for our large residential solar installation. We received quotes from a number of companies and 603 was by far the most competitive. The installation was smooth, the communication was great, and the administrative support with the utility company and state was fast and professional. The monitoring technology is top notch. Highly recommend using 603.
Kristin Ward
Kristin Ward
Dec 02, 2020
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603 Solar completed an install for us over the summer. They were friendly, efficient and professional. The great thing about Solar is that your solar loan is the equivalent of what you’d been paying for your… electric bill - once the loan is paid off, your electricity is free for the lifetime of your panels. We’re looking forward to paying off our solar loan in five years and having free electricity for the following 20! We would absolutely work with 603 Solar again and definitely recommend them to anyone interested in the installation of solar panels.
Michelle M. Paris
Michelle M. Paris
Aug 22, 2020
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603 Solar not only met my needs for solar they exceeded them. I wanted a system producing more than my current electric needs for my growing family. Just recieved my first electric bill about 3 weeks after the install and I already have a credit with the electric company. They also beat out quotes of other companies I looked into. Ian did a great job listening to my needs and made everything easy to understand. Thank you 603 Solar!
Courtney Ledoux
Courtney Ledoux
May 20, 2020
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From the initial meeting, to the price and install, 603 was honest, efficient and communicated often. We now have 42 panels powering our home!
Jacqueline Laufman
Jacqueline Laufman
Apr 03, 2020
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603 Solar is a remarkably brilliant and dedicated team of young professionals. In our town of Canterbury we repeatedly heard exceptional comments about this company's solar installations, of which there already were many, when we decided to meet to discuss a solar panel proposal. We were, to be honest, dubious that it would fit our budget or that… we were even ready to go solar, there was so little that we knew. We listened to and looked at very clear examples and information. We asked many questions; their answers were astute, unrushed, respectful and thorough. We were more than impressed
Beth Blair
Beth Blair
Jan 11, 2020
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603 was very knowledgeable about their product, all aspects of installation. When we posed a question they might not have been sure about, they went the extra mile to find the answer and get back to us promptly. We had great discussions with Zack about both the technology and the financial benefits. We HIGHLY recommend 603!
Ron Herman
Ron Herman
Jan 10, 2020
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603 has been helpful with my questions and the installation crew was very competent and patient with me looking over their shoulders.
Michael Stanton
Michael Stanton
Aug 04, 2019
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The team at 603 Solar were fantastic to work with. They are extremely knowledgeable in the field of solar energy and did a good job of answering our variety of questions. Several times Scot would say to us - 'you won't have to worry about a thing, we will handle it for you' which couldn't have turned out to be more true.
Thanks to 603 Solar we're now producing more energy than we're using, even in the darkest, cloudiest months of the year.
I would highly recommend giving 603 Solar a call if you're considering solar energy!