The Best Home Solar in Watertown, MA

Compare the highest-rated home solar professionals in Watertown, Massachusetts. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Boston Solar

4.8
(1 reviews)
Verified

Boston Solar is a leading Massachusetts-based solar installer with a dominant presence in the Greater Boston area. They are a full-service provider specializing in residential solar and battery storage installations. They are highly regarded for their expertise with local incentive programs, strong manufacturer partnerships, and comprehensive in-house services from design to maintenance.

10 Constitution Dr, Suite 4, Taunton, MA 02780 (Headquarters; serves Watertown extensively)

Specialties & Features

Solar panel installation
Battery storage system installation
Solar financing and leasing options

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

New England Clean Energy

4.9
(250 reviews)
Verified

Serving Massachusetts since 2006, New England Clean Energy has built an exceptional reputation for high-quality residential solar installations and customer service. They are known for their meticulous system design, energy efficiency expertise, and long-term customer support. They are a certified B Corporation, reflecting their commitment to social and environmental performance.

360 West Boylston St, West Boylston, MA 01583 (Serves the entire MetroWest and Boston area, including Watertown)

Specialties & Features

Solar energy system design and consultation
Energy efficiency assessments
Grid-tied and off-grid solar solutions

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

SunPower by BlueSel

4.7
(300 reviews)
Verified

As a premier SunPower Master Dealer, this company offers some of the highest-efficiency solar panels and leading warranties in the industry. They provide a wide range of financing options and are experts in integrating solar with home battery systems like the SunVault. Their strong manufacturer partnership ensures top-tier equipment and performance.

85 Constitution Dr, Unit 2C, Taunton, MA 02780 (A key SunPower provider for the Boston region)

Specialties & Features

High-efficiency solar panel installation
Manufacturer partnerships and warranties
Solar panel maintenance and repair

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes

Why These Are the Top Home Solar Contractors in Watertown

The home solar market in Watertown, Massachusetts, is robust and highly competitive, characterized by well-established, reputable companies rather than a high volume of smaller, newer entrants. The high cost of electricity in Massachusetts, combined with excellent state and local incentives (like the SMART program and federal tax credits), makes solar a financially attractive investment for homeowners. The typical competition is between a handful of top-tier regional installers, like those listed above, who have deep expertise in the complex local regulatory environment and incentive structures. The average quality of service is very high, as these companies compete on reputation, service, and technology rather than just price. Typical pricing for a residential system in Watertown is competitive with the national average but is offset significantly by incentives, leading to strong payback periods. Homeowners can expect to engage with companies that offer comprehensive services, from initial energy assessment and financial planning to professional installation and long-term maintenance.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Watertown regulations and climate

Frequently Asked Questions About Home Solar in Watertown

Get answers to common questions about home solar services in Watertown, Massachusetts.

1What is the average cost of a home solar system in Watertown, and are there any local incentives to help reduce it?

For a typical 6-8 kW system in Watertown, the gross cost before incentives is typically between $18,000 and $28,000. Crucially, you can reduce this by 30% with the federal Investment Tax Credit (ITC). Massachusetts offers additional savings through the state tax credit (up to $1,000) and the SMART program, which provides monthly payments for the solar energy you produce. Watertown's specific utility, Eversource, administers the SMART program, making it a direct financial benefit for local homeowners.

2How does Watertown's climate and seasonal weather affect solar panel production?

While New England has snowy winters and cloudy days, solar panels are highly effective in Watertown. They generate electricity from daylight, not just direct sun, and perform well in colder temperatures. Snow usually melts quickly off angled panels, and our sunny summers produce abundant energy. Importantly, Massachusetts has strong net metering policies, so excess summer production credits your bill for lower-production winter months, ensuring year-round savings.

3Do I need a permit from the Town of Watertown to install solar panels, and what are the common local regulations?

Yes, you will need an electrical permit and a building permit from the Watertown Inspectional Services Department. Most standard rooftop installations in residential zones are straightforward, but local regulations address setbacks from roof edges and visibility from the street. A reputable local installer will handle this entire permitting process for you, ensuring compliance with all Massachusetts building and electrical codes as well as Watertown's specific bylaws.

4How should I choose a solar provider serving Watertown, and are there trusted local companies?

Prioritize providers with strong experience in Massachusetts and specific knowledge of Watertown's permitting and utility (Eversource) interconnection process. Look for certified, licensed, and insured installers (NABCEP certification is a gold standard). Check reviews on platforms like EnergySage and the Massachusetts Clean Energy Center's list of qualified installers. Many reputable regional companies serve Watertown reliably, and getting 3-5 detailed quotes is the best way to compare equipment, warranties, and project timelines.

5What happens to my solar panels if I sell my Watertown home before the system is paid off?

Solar panels significantly increase your home's value and marketability in Watertown. Studies show homes with solar sell faster and for a premium. If you have a solar loan, you can typically pay it off at closing or transfer the loan to a qualified buyer. If you lease the system, the new homeowner would need to qualify and assume the lease agreement, which is a common and manageable process that local solar companies can facilitate.