Top-Rated Solar Installers in Philadelphia, PA
4 local companies ranked by 213 Google reviews. Free to compare, no sign-up.
Short answer: The top-rated solar installers in Philadelphia are Arsenal Solar (5.0★, 45 reviews), Solar States (4.8★, 134 reviews), Imperium Solar (4.5★, 17 reviews).
Solar installers in Philadelphia, ranked
- Arsenal SolarTop pick5.0 (45 Google reviews)516 Lindenhurst St, Philadelphia, PA 19116
- 4.8 (134 Google reviews)1500 N American St, Philadelphia, PA 19122
- Imperium SolarAlso installs batteries4.5 (17 Google reviews)2443 E Somerset St, Philadelphia, PA 19134
- 4.4 (17 Google reviews)50 S 16th St Fl 17, Philadelphia, PA 19102
Together these 4 companies average 4.8★ across 213 reviews. Solar States has the most reviews (134).
Ranked by Google rating weighted by review count, collected September 2026. Rankings are not paid for. How we rank and how we make money.
Listed here? Get your top-rated badge for your website or print the Philadelphia rebate sheet for your customers.
What a solar costs in Philadelphia
For a 7 kW home system ($3.20 to $5.50 per watt, the middle 60% of US home systems in 2023). Your home may cost more or less.
That could cut your cost by up to $500 if you qualify. Most rebates have rules (income, your current heating, a registered contractor, approval before work starts).
Price source: Lawrence Berkeley National Lab, Tracking the Sun. Rebates: our verified program data, checked monthly. Always confirm the exact amount for your home.
Talk to a home energy auditor first. Some utility programs want an audit before any work starts. See the top-rated home energy auditors in Philadelphia.
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How much sun does Philadelphia get?
Philadelphia averages about 4.1 peak sun hours a day, more than 70% of the 123 cities we track. As a rough guide, each kilowatt of panels here makes about 1,190 kWh a year (after typical system losses). A good installer will give you a roof-specific estimate that accounts for shading and roof angle.
Source: Open-Meteo historical solar radiation, 2020-2024. Production estimate assumes 80% system efficiency.
Before you hire a solar installer
- Ask for a production estimate for your roof (kWh per year) and how shading was measured.
- Ask which panels and inverter they use, and who backs the warranty if the company closes.
- Ask how your utility credits extra power you send to the grid, and whether a battery makes sense for you.
Questions about solar installers in Philadelphia
Who is the best solar installer in Philadelphia?
Based on Google reviews, the top-rated solar installers in Philadelphia are Arsenal Solar (5.0★, 45 reviews), Solar States (4.8★, 134 reviews), Imperium Solar (4.5★, 17 reviews). We rank by a review-weighted score, so companies with many strong reviews rank above those with only a few.
How are the solar installers in Philadelphia ranked?
We list 4 solar companies in Philadelphia, ranked by Google rating weighted by review count. Together they have 213 Google reviews and average 4.8 stars, collected September 2026. Solar States has the most reviews (134). No company pays to be listed or ranked.
How much does solar installation cost in Philadelphia?
For a 7 kW home system ($3.20 to $5.50 per watt, the middle 60% of US home systems in 2023), the installed price is typically about $22,400 to $38,500, according to Lawrence Berkeley National Lab, Tracking the Sun. Your home may cost more or less, so get at least two quotes for the same work.
Are there rebates for solar panels in Philadelphia?
Yes. Our verified program data shows solar rebates up to $500 open in Philadelphia. Most rebates have rules, such as income, your current heating, a registered contractor, or approval before work starts, so check the rebate page before you sign.
How much power do solar panels make in Philadelphia?
Philadelphia averages about 4.1 peak sun hours a day, more than 70% of the 123 cities we track. As a rough guide, each kilowatt of panels here makes about 1,190 kWh a year (after typical system losses). A good installer will give you a roof-specific estimate that accounts for shading and roof angle.
What should I ask a solar installer before I hire?
Ask for a production estimate for your roof (kWh per year) and how shading was measured. Ask which panels and inverter they use, and who backs the warranty if the company closes. Ask how your utility credits extra power you send to the grid, and whether a battery makes sense for you.
Before you call anyone, check what solar rebates you can get in Philadelphia. Many programs require approval or a registered contractor before work starts.
Planning more upgrades? See the top-rated heat pump installers, home battery installers, home energy auditors in Philadelphia.
How to read these results
- Open the profile.How a installer describes its own work tells you a lot. Look for jobs like yours.
- Read the Google reviews.Stars and counts come from Google Maps. Click through and read what past customers wrote, good and bad.
- Check for program badges.A green registered-contractor badge means the company is on the program's own list, which some rebates require.
- Compare three.Do not stop at the first good installer. Three quotes show you the real range in price, equipment and plan.
Not ready to talk to a contractor yet?
Short reads and quick quizzes. Learn the rules first, then call.
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