11 Best Solar Panel Installers in Philadelphia

TerraSol Energies suits commercial and institutional buyers in the western suburbs. Its commercial work is organized by sector, with dedicated programs for schools and universities, auto dealerships, farms, government and nonprofits. The company manages design, permitting and installation and offers maintenance for systems already running. It is a PECO Trade Ally, and its office is on Watkin Avenue in Chadds Ford. Schools and nonprofits can work with an installer that already serves their sector.

Exact Solar fits buyers who want to check credentials before signing. The company publishes its Pennsylvania, Philadelphia and New Jersey contractor and electrical licenses, and its team holds NABCEP installer certification along with Enphase Gold and REC status. Local in-house crews handle rooftop and ground-mounted systems, battery storage and EV charging. A service team also repairs systems put in by other companies. Owners of a system whose installer has disappeared have someone to call for repairs.

Solar States suits Philadelphia homeowners who want a city-based company that designs and installs its own systems. Working since 2008, it keeps design and installation in-house, from rooftop arrays and solar pergolas to Tesla Powerwall batteries and EV chargers. It is a certified B Corp and runs a training program for new solar workers. The company works from North American Street in Kensington. Lower and moderate-income households can ask about its Solar Savings Grant before requesting a quote.

Sunwise Energy suits buyers who want employees, not subcontractors, on the roof. Its trained technicians handle each project from start to finish, and the company is an Enphase Gold Installer and a member of the Solar Energy Industries Association. It installs home systems with batteries as well as commercial and nonprofit projects. The office is on Chapel Avenue in Cherry Hill, and it covers Pennsylvania, New Jersey and Delaware. An optional 30-year SolarInsure warranty transfers with the house, which helps owners who may sell.

Moore Energy suits landowners and businesses as much as homeowners. The family-owned company has worked in solar since 2008 and develops solar farms in partnership with Pennsylvania landowners, alongside residential and commercial installations. It is a SolarEdge preferred partner and offers full financing for home and business projects. The office is on Keystone Road in Southampton, Bucks County. Owners of open land or a large roof can discuss a solar farm or a rooftop system with the same company.

Open Sky Energy fits homeowners and small businesses who want licensed electrical know-how at the core of the company. Michael Matotek is a NABCEP-certified PV installer and a Philadelphia master electrical contractor, and he also holds a New Jersey electrical license. The company designs and installs residential and commercial systems. Its offices are in Swarthmore, Delaware County, and Ambler, Montgomery County. Buyers in the city can confirm the Philadelphia electrical license before the first site visit.

Pennstar Solar suits homeowners whose priority is keeping the lights on during an outage. The owner-operated company designs battery backup systems and is certified for Tesla Powerwall, Enphase, FranklinWH, Sigenergy and Sol-Ark. An owner is present on every installation, and it repairs orphaned systems whose original installer has closed. It works only in southeastern Pennsylvania, from Chestnut Hill and Manayunk to the Main Line. Buyers comparing batteries can get several brands quoted side by side by one installer.

Zenergy suits suburban homeowners who want solar as part of a wider energy upgrade. Besides panels and FranklinWH or Tesla batteries, the Wilmington company installs roofs, heat pumps, insulation and EV chargers, and offers free home energy audits. Crews are trained in-house, and the team holds NABCEP and Tesla installer certifications. It serves the Philadelphia suburbs across the PECO region, along with Delaware and South Jersey. A household can tackle roof, heating and solar in a single plan.