Great Sky Solar
Clean energy through clean business — solar design and installation serving Greater Boston
14+
Years in Business
358
Customer Reviews
31 mi
Service Area
11-50
Employees
SurgePV Score
About Great Sky Solar
Great Sky Solar is a solar installation company founded in 2012 and based at 3 Bow St, Suite 3 in Lexington, Massachusetts. The company serves the Greater Boston area including Cambridge, Arlington, Waltham, and surrounding communities, providing residential and commercial solar design and installation services.
Great Sky Solar positions itself as a company focused on clean business practices alongside clean energy. They handle all aspects of solar installation from initial site assessment and system design through permitting, installation, and grid interconnection. The company also operates a second website at cambridgesolarenergy.com targeting Cambridge-area customers.
The company holds an A+ BBB rating and has accumulated 358 reviews on Birdeye with a 4.9-star average. On Yelp, they have 13 reviews, and on Angi they are rated 5.0 out of 5. Great Sky Solar maintains NABCEP-certified staff and is listed in the MassCEC installer directory.
Service Area
Great Sky Solar serves the following areas within a 31-mile radius:
Contact Information
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Services Offered
Certifications & Accreditations
Partner Manufacturers
Panels
Inverters
Batteries
Warranty Coverage
25 years
25 years
10 years
What to Expect: Solar Installation Process
Initial Consultation
Free site survey and system design
Quote & Design
Detailed proposal with costs and savings
Installation
Panels, inverter, and wiring (1-3 days)
Inspection
City inspection and utility interconnection approval
Go Live
Utility grants PTO, system goes live
Customer Reviews
4.9
358 reviews
Michael G.
Great Sky Solar was responsive, professional, and transparent throughout the entire process. The installation crew was efficient and left our property spotless.
Rachel F.
Excellent experience from consultation to commissioning. They took the time to design a system that maximized our roof space and energy production.
Dan M.
Professional team, fair pricing, and great communication. They handled all the permitting and utility paperwork. System is performing above expectations.
Frequently Asked Questions About Great Sky Solar
What services does Great Sky Solar offer?
Great Sky Solar offers Solar Installation, Battery Storage.
Is Great Sky Solar NABCEP certified?
Yes, Great Sky Solar is NABCEP certified. NABCEP certification is the gold standard for solar professionals in the United States.
What areas does Great Sky Solar serve?
Great Sky Solar serves Boston, Lexington, Cambridge, Arlington, Waltham, Concord. They are based in Boston with a service radius of 50 km.
What warranty does Great Sky Solar offer?
Great Sky Solar offers 25-year panel warranty, 25-year inverter warranty, and 10-year installation/workmanship warranty.
How are Great Sky Solar's customer reviews?
Great Sky Solar has a 4.9/5 rating based on 358 customer reviews. Customers consistently rate them highly.
How long has Great Sky Solar been in business?
Great Sky Solar was founded in 2012 and has been in business for 14 years. They are one of the more experienced solar installers in their area.
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