Ranked by quality score, web presence, and tenure. Updated July 2026. No paid placements, every business was sourced from public listings and scored the same way.
Gaithersburg is a built-out Montgomery County suburb with dense residential-services demand. Solar installers design, permit, and install residential and commercial photovoltaic systems, battery storage, and EV charging integrated with solar.
We indexed 4 solar installers serving Gaithersburg and surrounding neighborhoods, including Old Town, Kentlands, Montgomery Village. Each firm is scored on a consistent set of data signals: website health, HTTPS security, mobile-friendliness, online contactability, and alignment with the solar installers niche. The ranking is fixed by data, not by who pays the most to appear at the top.
If you live in Gaithersburg, MD and need a solar installer, this page is a starting point, not an endorsement. Call two or three from the list, get written estimates, and compare. The numbers next to each business are a filter, not a decision.
Trusted solar panel installation pros in Gaithersburg, MD. All companies are researched, certified, and licensed. Compare top-rated experts backed by our $2,500 guarantee.
Compare top-rated solar companies in Gaithersburg, Maryland. View ratings, reviews, phone numbers, and websites of trusted local solar installers.
Before incentives, expect to pay somewhere between $15,000 and $30,000 for a typical residential solar installation in Gaithersburg. The exact cost depends on your residential solar energy system size and energy requirem
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Our rankings combine Google review scores, review volume, years in business, and service breadth. We do not accept payment for placement. Businesses can claim their listing and update their information, but the rank is fixed by the data.
Start by checking verified review volume (not just rating), look for businesses with consistent 4+ star ratings, confirm they have a working website and responsive phone, and get at least 3 written quotes before committing. The businesses ranked on this page are ordered by review-data quality, not paid placement.
Pricing for solar installers in Gaithersburg varies with scope, materials, and urgency. Request itemized quotes from three of the providers listed here and compare line items before signing anything.
Many do, but scope varies by firm. Say whether the job is residential or commercial up front when you call: crew size, insurance requirements, and scheduling differ between the two.
Most ranked firms take repair work, though small jobs can wait behind larger installations. Describe the repair when you call and ask whether a minimum job charge applies.
PicksByTown ranks local service providers using review-data signals: volume, rating consistency, website presence, and contactability. We do not accept payment for placement.
Third-party roundups and multi-business directories covering this area. Not curated by us , included for reference.
The solar installers on this page serve all of Gaithersburg and surrounding areas, including Old Town, Kentlands, Montgomery Village. Response times and service radius vary, call ahead for estimates.
When better-ranked providers are added or ratings change, we’ll let you know. No spam. Unsubscribe anytime.