Compare the highest-rated home solar professionals in Cambridge, Massachusetts. All contractors are licensed, insured, and verified through our rigorous screening process.
Boston Solar is one of the most prominent and highly-reviewed residential solar installers in Massachusetts. As a local leader, they specialize in the complete solar journey, from custom design and financing guidance to professional installation and ongoing support. They are well-versed in Massachusetts-specific incentives like the SMART program and federal tax credits.
Known for exceptional customer service and high-quality installations, New England Clean Energy has been a trusted name in the region for over 15 years. They focus on custom-designed systems and are experts in integrating battery storage, such as Tesla Powerwall, for energy resilience. They have a strong reputation for transparency and technical expertise.
SunBug Solar is a dedicated local installer with a strong focus on the Greater Boston area, including Cambridge. They are a certified B Corporation, reflecting their commitment to social and environmental performance. They offer a personalized approach, handling everything from design to maintenance, and are particularly skilled with the architectural nuances of New England homes.
The home solar market in Cambridge, Massachusetts, is mature, competitive, and of high overall quality. The city's high electricity rates and strong state-level incentives (like the SMART program, net metering, and state tax credits) make solar an economically attractive option. Competition among installers is fierce, which generally benefits consumers through competitive pricing and high service standards. The typical cost for a residential solar system in Cambridge ranges from **$15,000 to $30,000+** before incentives, heavily dependent on system size (typically 6-10 kW for an average home) and the inclusion of battery storage. After the 30% federal tax credit and other state incentives, the net cost can be significantly reduced, often by 50% or more. The market is dominated by established, reputable regional companies rather than national chains, and consumers prioritize installer reputation, warranty offerings, and expertise with local permitting and interconnection processes over simply finding the lowest price.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Cambridge regulations and climate
Get answers to common questions about home solar services in Cambridge, Massachusetts.
For a typical 6-8 kW system in Cambridge, the gross cost before incentives ranges from $18,000 to $28,000. Crucially, you can reduce this by 30% with the federal Investment Tax Credit (ITC). Massachusetts also offers the SMART program, which provides monthly incentive payments for the solar energy you produce, and a state tax credit of up to $1,000. Additionally, Cambridge residents benefit from a property tax exemption for the added home value from solar.
While Cambridge experiences snowy winters and fewer peak sun hours, modern solar panels are efficient in cold, clear weather and can still generate significant power. Snow typically slides off angled panels quickly, and production is strongest from spring through fall, which helps offset higher winter electricity use. The annual total sunlight is sufficient for a strong return on investment, with systems designed to maximize production across all seasons.
Yes, installing solar in Cambridge requires a building permit and an electrical permit from the Cambridge Inspectional Services Department (ISD). The process is generally straightforward for standard roof-mounted systems, but it can be more detailed for historic districts or properties with complex roofing. A reputable local installer will manage this entire permitting process and ensure compliance with all state electrical and building codes.
Prioritize providers with strong local experience, as they will be familiar with Cambridge's specific permitting, utility interconnection with Eversource, and optimal system designs for our roof styles and climate. Check for Massachusetts-licensed electricians and contractors (license #s), read local reviews, and verify they are certified by manufacturers like SunPower or Tesla. Always get multiple detailed quotes that include cash, loan, and lease options.
Absolutely. East- and west-facing roofs in Cambridge are very common and can still achieve 75-90% of the production of a south-facing system. For partial shading from trees or chimneys, installers use power optimizers or microinverters (like Enphase) to maximize each panel's output independently. A professional site assessment will analyze your specific roof's sun exposure throughout the year to accurately predict energy production.