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Commonwealth Electrical Technologies
“It's a great experience sharing the field with CET.”
Best Solar Panel Installers near Worcester, MA
3 of these contractors are based in Worcester; the others serve Worcester from towns including Westborough (9 mi), Sutton (10 mi) and Marlborough (14 mi).
1 open 24/7 · 10 open weekends · 21 rated 4.5+ · 3 show a license
Data verified October 16, 2026
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Delsignore Electrical Contractor
“And they do it all, lighting, fire alarm, AV and network cabling.”
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Solar Store at Higgins
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Golden Group Roofing & Solar
- Project
- Work
- Product
“He was responsive, very clear explaining what needed to be done, the price quote was fair and well explained, and the work was done cleanly and at the scheduled time.”
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Brightstar Solar
- Project
- Questions
- Informative
“Coming from a technical background I can tell you Jon's biggest asset is his ability to assess your property & needs to come up with a design that makes sense.”
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Alte Store
- Off Grid
- Information
- Batteries
“- drop-off was kind of terrible as the truck driver didn't have a way to lower the panels from the truck so I had to manually unbox and lower 48 panels down to the side of the road”
The 24 contractors listed for Worcester, MA design and install rooftop solar and battery systems. Each entry repeats what the company publishes about certifications, the equipment it fits and its hours, together with star ratings and comments drawn from public reviews.
Area overview: Worcester, MA
22 of the 24 contractors on this page have a rating, from 4.0 to 5.0 across 1,737 reviews; 9 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (95%), quality (81%) and responsiveness (80%). The topics that come up most in reviews of the contractors on this page are "efficient", "communication" and "price". 1 is open around the clock; 10 are open on Saturdays and 6 on Sundays. 3 show a license on their websites and 4 have a BBB rating of A or A+. Domain records put 16 websites of the contractors on this page at ten or more years old; the oldest dates from 1995. 1 offers emergency call-outs; 4 offer financing or payment plans; 8 give free estimates; 4 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for all 24 of the contractors on this page; 23 publish a contact page; 11 list a public email and 1 takes bookings online. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
Can a survey happen outside working hours?
Weekend hours appear for 10 of the 24 contractors here, which is often when a roof survey is easiest to arrange around work. The survey itself wants daylight and dry weather, since someone has to get onto the roof or fly a drone over it to check the covering and measure shading.
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Donahue & Sons
“Great company all arround highly recomend”
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SGE Solar
- Sales
- Price
- Questions
“The end result looks phenomenal, with flush-mount rails that are cut flush with the edges of the array, and the cables enter through the roof underneath the panels so there is no unsightly conduit running amok.”
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Mark the Solar Expert
- Sales
- Knowledge
- Decision
“We are completely satisfied with how things are working and I find myself checking the weather constantly and getting excited for each sunny day because I know we're saving money.”
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Ecogen Services
- House
- System
- Team
“Now, as a retired restaurant owner/ operator, I was amazed at the detailed planning, efficiency, teamwork and respect these men exhibited from the downbeat”
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K & M Electric Solutions
“Great company to work with and very professional.”
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Vikram Solar US Inc.
“Good place to work and culture and Nice environment..”
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National Roofing and Solar
“It's highly efficient and reliable, providing us with consistent energy and significant savings.”
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Western Earthworks
“Good guys that work safe work on quality jobs what I gathered”
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Relay Power
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PI Berlin North America
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Comfortmax
- Expertise
- Communication
- Marcelo
“We had been trying to get our system repaired by another company for a long time, but after weeks of getting the run around, they were unable to fix it.”
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Master Roof
- Project
- Communication
- Skylights
“One of the reasons I choose Master Roof was because I was impressed with Wilson who came to my house, got on a ladder and on top of my roof, went into my attic, and compiled a comprehensive report for me.”
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Venture Solar
- System
- Sales
- Solar Panels
“This means that if you're in a condo (that's part of a subdivided parcel), and you/your neighbors all want to get solar you are at the whims of the MA DPU to grant an exception, which can take up to a year.”
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JV Mechanical Contractors
- Water Heater
- Hvac
- Efficient
“Having had an existing Mitsubishi system on the 1st floor which we've used for years that provides both heat and AC we decided to go with what we know works for us and made the decision to install similar units for our 3 bedrooms on the 2nd floor.”
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Energy Geeks
- Efficient
- Team
- Attic
“Mike came out and fixed my baffle vents that were installed incorrectly by another company and also went up and down the roof line on both sides spray foaming to stop all the air leaks I had.”
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Solar On Earth
- Bill
- Questions
- Electric
“My experience with my Representative from Solar Farms was a very good experience, Vincent was my Representative and he was always courteous and respectful, due to the fact he always would follow up and stop by at the worst time as my commute home is ...”
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Joseph D. Holman
- Quote
- Charger
- Wall
“I did pay $49 for one company for evaluation and the employee said he needed to open some holes at my basement ceiling for wiring from the electric box to the garage.”
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Intelligent Solar Services
- System
- Questions
- Team
“From our first phone call he inspired confidence that he knew what he was talking about in every aspect of design, permitting process, installation and use of solar in general, and specifically for my use.”
Why these companies made our list
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