Solar Company in New Hampshire

603 Solar is the best solar company in Exeter NH, Concord NH, Manchester NH, Portsmouth NH, Dover NH, Rochester NH & the surrounding areas, as well as Maine & Massachusetts.

At 603 Solar, we’re proud to be known as one of the best solar companies in New Hampshire, helping homeowners and businesses across the Granite State take control of their energy future. Our team is passionate about bringing clean, affordable, and reliable solar energy to local communities, because going solar shouldn’t be complicated.

 From your first consultation to your final solar panel installation in NH, 603 Solar provides transparent communication, top-quality equipment, and professional craftsmanship. Our goal is simple: to make solar energy accessible and affordable for everyone in New Hampshire.

When it comes to choosing a solar company in New Hampshire, experience and local expertise matter. 603 Solar was founded right here in the state, and we understand the unique needs of New Hampshire homeowners—from snowy winters to roof angles and local permitting requirements.

Here’s what sets us apart:

  • Local Expertise: We know New Hampshire’s climate, building codes, and incentives better than anyone.
  • Custom Solar Designs: Every system is tailored to your energy usage, roof type, and budget.
  • Honest, Transparent Pricing: No hidden fees, no pushy sales tactics—just clear, straightforward quotes.
  • Top-Tier Equipment: We use premium solar panels and inverters designed for maximum performance and longevity.
  • Exceptional Customer Service: Our customers consistently rate us as the best solar company in New Hampshire because we put your satisfaction first.

Whether you’re looking to lower your electric bill or reduce your carbon footprint, 603 Solar makes it easy to switch to clean energy.

If you’re a homeowner considering solar panels in NH, 603 Solar offers complete residential solar solutions designed for long-term savings. We start with a free consultation to analyze your energy usage, roof space, and sun exposure. Then we design a custom solar system that maximizes your savings and energy independence.

Our residential solar installations help New Hampshire families:

  • Lower monthly electric bills
  • Protect against rising energy costs
  • Increase home value
  • Reduce reliance on the grid
  • Contribute to a cleaner environment

With 603 Solar, your solar panel installation in NH is handled by licensed, local professionals who take pride in doing the job right the first time.

Businesses across the state are turning to solar panels in NH to reduce overhead costs and demonstrate environmental leadership. Whether you run a small business or manage a large facility, 603 Solar designs and installs commercial solar systems that deliver measurable returns.

Benefits of going solar for your business include:

  • Significant long-term energy savings
  • Federal and state tax incentives
  • Lower operating costs
  • Positive brand reputation through sustainability

603 Solar works closely with business owners, property managers, and organizations to deliver seamless installations with minimal disruption to daily operations.

One of the best reasons to go solar now is the range of New Hampshire solar incentives available. When you partner with 603 Solar, we’ll help you navigate all available programs so you can maximize your savings.

Available incentives may include:

These incentives make now the perfect time to install solar panels in NH—and 603 Solar will guide you through every step.

Contact 603 Solar: The Top Solar Company in New Hampshire

Ready to take the first step toward energy independence? Contact 603 Solar, the top solar company in New Hampshire, for your free consultation today. Our friendly, knowledgeable team will walk you through your options, answer your questions, and show you exactly how much you can save with solar.

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