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Welcome to

Commonwealth Energy

A better solar energy solution for Massachusetts and beyond. We are a family owned business who’s focused on helping you Save Money, Gain Energy Independence, and Save the World.

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Our promise to you

We promise to provide you personalized and professional services. Our goal is to ensure you are satisfied in all aspects of the job, from consultation to completion. We are here for you every step of the way.

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“Commonwealth Energy is a family owned and operated business and that’s where our focus lies, family. It’s our goal to help you and your family save your hard earned money, while at the same time doing our part to combat climate change through renewable energy. We look forward to helping you save the world!”  -Vincent Longtin

How can we serve you?
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Home owners served

Our Services

Solar Services

Going solar isn't complicated when you have an experienced guide leading the way. Each project is tailored specifically to you to fit your home's unique energy profile and needs.

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Roofing Services

Our install system ensures that all the components work together to keep moisture out, your energy costs low and your house looking terrific.

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Energy Savings Audit

There are many different options available to lower your household’s energy use. See which one fits your needs.

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Repair Services

Not getting repairs handled in a timely manner can cause some of the most costly headaches your home will ever give you. Let's prevent that today!

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Electrical Services

Our electricians are always on standby to get your home solar compatible . Let's get you ready to save!

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In Home or Contactless Consultation

Due to Covid-19, We are now offering all of our services through a contactless procedure or our traditional methods, whichever you are comfortable with. We are here to help you.

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Our Work
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Satisfaction Guaranteed!
Licensed, Certified & insured crew
Roofing and Solar Specialists All-In-One
Surpassing Quality of Work Expectations
Industry Best Financing available on ALL projects
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What Our Clients Say

We could tell you all day about what we offer you but we think its better for our work to speak for itself, here’s what our clients say  about us!

5/5
“Today was a great day to get my energy service from Commonwealth Energy. They gave me a lot of insight on how to make awesome changes and this will save me money, thank you so much! ”
Jeff
Brockton, MA
4.5/5
“This company was very professional, they arrived on time and kept me in the loop during the entire process. I was happy with both the work done as well as the crew that performed it.”
Matthew p.
Middleton, MA
5/5
" Commonwealth Energy were some of the the most professional people I have come across. They treated my home as their own. And gladly stayed late to finish their work. Best crew of workers Thank you Ryan."
Ronald B.
Beverley, MA
4.5/5
“Vincent was responsive and arrived on time for our energy assessment. We then had this crew come back to install insulation in our attic and basement. His quotes were accurate (even came in under!) and the crew was friendly and left the place clean.”
Ian r.
Cambridge, MA

Special Offers

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6 MONTHS OF FREE ENERGY

When you go Solar today you get 6 Months of free energy. We take care of your electric bill for the first HALF YEAR after your Solar panel installation. We want to save you as much as we possibly can on your monthly electricity cost. this is an easy way for us to give you a head start on your savings journey, and it is our pleasure to do so.

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Veterans Discount

At Commonwealth Energy we honor, respect and support our troops, Active, off duty, and no longer serving. To thank you for your service we offer you our highest possible discount on all products and services.

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Come see us!

We’re here to serve your every clean energy need. Solar panel costs are lower than they’ve ever been! There’s never been a better time to go solar and we can’t wait to help you save money, gain energy independence and make the world a better place!

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