603 Solar

603 Solar PV Solar Company based out of Exeter, NH.

Voted #1 by Best of the Seacoast and Best of the 603 in 2023 + 2024 + 2025🥇☀️♻️
Claim your free site evaluation 👉https://603solar.com/free-solar-evaluation/

☀️ The sun is finally shining here in New Hampshire — and there’s no better time to start putting it to work for you! Th...
06/01/2026

☀️ The sun is finally shining here in New Hampshire — and there’s no better time to start putting it to work for you!

This beautiful 7.65 kW solar installation in Durham, NH is helping another homeowner take control of their energy costs while investing in a cleaner future. 🌎⚡️

With long summer days, strong production months ahead, and energy prices continuing to rise, solar is one of the smartest investments homeowners can make right now. The sooner you install, the sooner you start saving. 💰

Thinking about going solar in NH, ME, or MA? 603 Solar is here to help every step of the way.

☀️ Entering the weekend with this special feature!We’re proud to showcase this project at St. John’s Episcopal Church in...
05/29/2026

☀️ Entering the weekend with this special feature!

We’re proud to showcase this project at St. John’s Episcopal Church in Portsmouth, NH — combining historic architecture with clean, renewable energy for the future.

Projects like this highlight how solar can seamlessly integrate with all types of buildings, helping organizations lower energy costs while making a long-term investment in sustainability.

Thank you to St. John’s Episcopal Church for trusting 603 Solar with your project!

📍 Portsmouth, NH
⚡ Local solar solutions for homes, businesses, and organizations across New Hampshire, Maine, and Massachusetts.

☀️ Another beautiful Maine solar installation completed!At 603 Solar, we may call New Hampshire home, but we’re proud to...
05/28/2026

☀️ Another beautiful Maine solar installation completed!

At 603 Solar, we may call New Hampshire home, but we’re proud to help homeowners across all of New England lower their energy costs and invest in clean, renewable energy. We proudly install in both Maine and Massachusetts too!

This sleek rooftop system blends perfectly with the home while delivering long-term savings and energy independence for the homeowner. ⚡🏡

Thinking about going solar in NH, ME, or MA? We’d love to help you explore your options.

☀️ Another beautiful install complete in Sandown, NH!This home is now powered by a 10.56kW solar system, helping the hom...
05/27/2026

☀️ Another beautiful install complete in Sandown, NH!

This home is now powered by a 10.56kW solar system, helping the homeowners take control of their energy costs while producing clean, renewable power right from their rooftop. 🌎⚡

With sunny days ahead, this system is ready to deliver long-term savings and energy independence for years to come.

Thinking about going solar for your home in New Hampshire? 603 Solar is here to help every step of the way!

📞 Contact us today for a free consultation.

This Memorial Day weekend, we pause to honor and remember the brave men and women who made the ultimate sacrifice for ou...
05/25/2026

This Memorial Day weekend, we pause to honor and remember the brave men and women who made the ultimate sacrifice for our freedom. 🇺🇸
From all of us at 603 Solar, thank you to our fallen heroes and the families who carry their legacy forward.
Wishing everyone a safe and meaningful Memorial Day weekend. ☀️

☀️ Another beautiful install in the books for the 603 Solar team!This custom 11.88 kW solar system is helping this prope...
05/22/2026

☀️ Another beautiful install in the books for the 603 Solar team!

This custom 11.88 kW solar system is helping this property turn sunshine into long-term savings, while reducing dependence on rising utility costs. With clean energy and a sleek roof-mounted design, this system is built to perform year after year.

Thinking about going solar for your home, barn, or business? Now is a great time to see what solar can do for you in New Hampshire.

📞 Reach out to 603 Solar today for a free consultation!

☀️ Another beautiful Maine home powered by the sun!We love helping homeowners take control of their energy costs while a...
05/21/2026

☀️ Another beautiful Maine home powered by the sun!

We love helping homeowners take control of their energy costs while adding clean, reliable solar power to their homes. This installation blends seamlessly into the roofline and will provide years of renewable energy savings. 🌎⚡

Thinking about going solar? Now is a great time to explore your options and see how much you could save.

📍 Proudly serving New Hampshire, Maine, Massachusetts and the 603 community
📩 Message us today for a free consultation!

05/21/2026

Say "hello" to one of our clients, Tom Randell 👋 We recently installed Tom's array and awaiting for Permission to Operate (PTO) from the NHEC. Once turned on, this array is expected to produce over 18,000 kWh of clean, renewable energy in the first year ♻️

Tom is also running for the Board of the NHEC and voting is live for members now, through June 10th! You can vote through the NHEC Smart Hub and paper ballots may have already hit your mailbox ✉️ Be sure to go show your support!

If you havent checked out solar for your home or business yet, what are you waiting for? Sign up for a free site evaluation today.

Free Site Evaluation --> https://603solar.com/request-solar-evaluation/

Come join us for our last two events for NH Energy Week tomorrow (Thursday May 7th)! ☀️♻️⚡️10 AM Lights On for Lee: Libr...
05/06/2026

Come join us for our last two events for NH Energy Week tomorrow (Thursday May 7th)! ☀️♻️⚡️

10 AM Lights On for Lee: Library Solar + Storage. Join us for the ribbon cutting for the new solar and storage system at the Lee Library.

12 PM: 603 Solar Lunch and Learn. Join us at our office at 24 Charter St, Exeter, NH for a "Solar Lunch and Learn" with lunch from Las Olas Taqueria

RSVP --> https://www.facebook.com/events/1663876531469421

NH Energy Week is here! Huge shout out to Clean Energy NH and all of their partners / sponsors for organizing this great...
05/04/2026

NH Energy Week is here! Huge shout out to Clean Energy NH and all of their partners / sponsors for organizing this great week of events ☀️

Join us at any of the four virtual and physical events we are hosting this week. Also, be sure to check out the rest of NH Energy Week's events by heading to their website here 👉https://nhenergyfuture.org/events/

See you this week 👋

Solar 101 (Virtual):
Tuesday at 10 AM
Google Meet Link: https://meet.google.com/bfi-bqxq-xys
RSVP: https://www.facebook.com/events/929556806365633

Myth Busting Solar (Virtual):
Wednesday at 2 PM
Google Meet Link: https://meet.google.com/qyy-qvmd-ede
RSVP: https://www.facebook.com/events/819108617301930

Lights On for Lee: Library Solar + Storage:
Thursday at 10 AM
9 Mast Rd, Lee, NH
RSVP: https://www.eventbrite.com/e/lights-on-for-lee-library-solar-storage-tickets-1986831944831?aff=oddtdtcreator

Lunch and Learn (In Person):
Thursday at 12 PM
24 Charter St, Exeter, NH
RSVP: https://www.facebook.com/events/1663876531469421

Address

24 Charter Street
Exeter, NH
03833

Opening Hours

Monday 8am - 6pm
Tuesday 8am - 6pm
Wednesday 8am - 6pm
Thursday 8am - 6pm
Friday 8am - 6pm

Telephone

+16035702607

Website

Alerts

Be the first to know and let us send you an email when 603 Solar posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to 603 Solar:

Shortcuts

Share

Category