160 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in King of Prussia: PosiGen Home Solar, CR Score 62/100; 4.8★ from 472 Google reviews; open Sundays until 8 PM.
Best for emergencies (open 24/7): Surf & Turf Roofing, Solar and Windows, posts 24/7 hours; ranked #6 of 160.
Most-reviewed: EMT Solar and Roofing, 1,289 Google reviews at 4.9★, the most of 160 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
160 King of Prussia solar installers are ranked here by CR Score, from ten published factors. 28 are open 24/7, 96 open Saturdays and 55 open Sundays, based on posted hours. The median Google rating is 4.9★ across 160 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | PosiGen Home Solar | 62 | 4.8★ (472) | Plymouth Meeting, 5 mi away | Sun | Overall |
| 2 | Finray Solar | 62 | 4.9★ (601) | Ardmore, 11 mi away | Sat | — |
| 3 | Rising Sun Power | 60 | 5.0★ (30) | King of Prussia | Sat · Sun · Evenings | — |
| 4 | EMT Solar and Roofing | 60 | 4.9★ (1,289) | Camden, 22 mi away | — | Most reviews |
| 5 | Solar Energy World | 59 | 4.8★ (485) | Pennsauken, 20 mi away | Sat | — |
| 6 | Surf & Turf Roofing, Solar and Windows | 58 | 4.9★ (272) | Bellmawr, 22 mi away | 24/7 | Emergencies |
| 7 | Ramere's Solar Cleaning L.L.C | 58 | 5.0★ (72) | Cinnaminson, 22 mi away | Sat · Sun | — |
| 8 | Integrated Home Energy | 58 | 4.9★ (92) | West Chester, 11 mi away | Sat | — |
| 9 | Solr Standard | 58 | 4.9★ (126) | Horsham, 18 mi away | Sat · Evenings | — |
| 10 | SunLife Solar | 58 | 4.8★ (123) | Wilmington, 27 mi away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.8★ from 472 Google reviews, listed on Google as “Solar energy company”.
Based in Ardmore, 11 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 601 Google reviews, listed on Google as “Solar energy company”.
Based in King of Prussia
Ranked #3 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Solar energy company”.
Based in Camden, 22 mi away
Ranked #4 because of its Google rating and review volume: 4.9★ from 1,289 Google reviews, the most in King of Prussia.
Based in Pennsauken, 20 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 485 Google reviews, listed on Google as “Solar energy company”.
Based in Bellmawr, 22 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 272 Google reviews.
Based in Cinnaminson, 22 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 72 Google reviews, listed on Google as “Solar energy system service”.
Based in West Chester, 11 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 92 Google reviews, listed on Google as “Solar energy company”.
Based in Horsham, 18 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 126 Google reviews, listed on Google as “Solar energy company”.
Based in Wilmington, 27 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 123 Google reviews, listed on Google as “Solar energy company”.
Based in King of Prussia
Ranked #11 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Solar energy company”.
Based in Bellmawr, 26 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 72 Google reviews, listed on Google as “Solar energy company”.
Based in Mercerville, 35 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 540 Google reviews, listed on Google as “Solar energy company”.
Based in Runnemede, 24 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 105 Google reviews, listed on Google as “Solar energy company”.
Based in Bellmawr, 24 mi away
Ranked #15 because of its Google rating and trade focus: 4.7★ from 62 Google reviews, listed on Google as “Solar energy company”.
Based in Blue Bell, 12 mi away
Ranked #16 because of its Google rating and review volume: 4.8★ from 214 Google reviews.
Based in Collegeville, 9 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Solar energy system service”.
Based in Ashland, 24 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Solar energy company”.
Based in Ashland, 22 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 315 Google reviews, listed on Google as “Solar energy company”.
Based in Pottstown, 18 mi away
Ranked #20 because of its Google rating and review volume: 5.0★ from 954 Google reviews.
Based in Haddonfield, 22 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 129 Google reviews, listed on Google as “Solar energy company”.
Based in Pennsauken, 21 mi away
Ranked #22 because of its Google rating and review volume: 4.9★ from 435 Google reviews.
Based in New Castle, 29 mi away
Ranked #23 because of its Google rating and review volume: 4.8★ from 718 Google reviews.
Based in Williamstown, 35 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Solar energy company”.
Based in West Hills, 36 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 57 Google reviews, listed on Google as “Solar energy company”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 160 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Pro Energy Savers Marlton - Solar Panel Installation | 55 | 4.7★ (39) | 28 mi |
| 27 | Butterfly PBC | 55 | 5.0★ (16) | 10 mi |
| 28 | Surf & Turf Roofing, Solar and Windows | 55 | 4.6★ (572) | 40 mi |
| 29 | Solar States | 55 | 4.7★ (104) | 16 mi |
| 30 | Zenergy Solar | 55 | 5.0★ (61) | 27 mi |
| 31 | Freedom Forever | 55 | 4.6★ (251) | 23 mi |
| 32 | Superior Solar Design | 55 | 5.0★ (14) | In King of Prussia |
| 33 | Zimmerman's Roofing | 55 | 4.9★ (556) | 37 mi |
| 34 | Pennstar Solar LLC | 55 | 5.0★ (24) | 10 mi |
| 35 | SmartRoof - Roofing and Solar | 55 | 4.7★ (189) | In King of Prussia |
| 36 | PvGuys | 55 | 5.0★ (5) | 22 mi |
| 37 | GutterDash Guttering Services | 54 | 5.0★ (222) | 31 mi |
| 38 | Moore Energy LLC | 54 | 4.9★ (54) | 19 mi |
| 39 | Solarmaxx Energy LLC | 54 | 5.0★ (14) | 36 mi |
| 40 | Exact Solar | 54 | 4.9★ (94) | 27 mi |
| 41 | Open Sky Energy | 54 | 5.0★ (35) | 13 mi |
| 42 | Solar by Omar | 54 | 5.0★ (27) | 36 mi |
| 43 | Dirosato Plumbing and Heating | 54 | 4.5★ (63) | 5 mi |
| 44 | Rise Solar | 54 | 4.7★ (14) | 36 mi |
| 45 | SunPower Builders | 54 | 4.1★ (15) | In King of Prussia |
| 46 | Walker Power | 54 | 5.0★ (23) | 36 mi |
| 47 | Kaitanna Solar Installation Company | 54 | 4.9★ (37) | 28 mi |
| 48 | MACK Solar and Roofing | 54 | 5.0★ (119) | 22 mi |
| 49 | Bachman's Roofing | 54 | 4.9★ (327) | 38 mi |
| 50 | Gensun Roofing and Solar | 54 | 4.8★ (18) | 20 mi |
20 more solar installers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Barun Corp | 5.0★ (2) | 11 mi |
| Ct Solar Leasing Llc | 5.0★ (1) | 7 mi |
| Ecological Systems by Water Wizard LLC | 3.0★ (2) | 36 mi |
| EnLight.Energy | 4.5★ (2) | 35 mi |
| Hytek Energy | 5.0★ (2) | 36 mi |
| J and N Energy Enterprises | 1.0★ (1) | 6 mi |
| KC Green Energy | 3.0★ (2) | 22 mi |
| Montco Solar | 5.0★ (2) | 9 mi |
| Simply Solar | 5.0★ (2) | 36 mi |
| Smart Light Solar | 5.0★ (2) | 36 mi |
| Solar Aura | 5.0★ (2) | 36 mi |
| Solar Cents | 5.0★ (2) | 36 mi |
| SolareAmerica | 5.0★ (1) | 11 mi |
| SolarLink SolarPanels | 5.0★ (2) | 14 mi |
| Summit Energy | 1.0★ (1) | In King of Prussia |
| Sun-In-One | 5.0★ (2) | 23 mi |
| Sunrun New Jersey | 1.0★ (2) | 36 mi |
| Superior Solar Design | In King of Prussia | |
| The Best Crew Construction, LLC. | 5.0★ (2) | 36 mi |
| Tomlin Green Solutions LLC | 5.0★ (2) | 11 mi |
Typical prices in USD, adjusted for Pennsylvania with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $33,090 | $37,430 | $40,720 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.20 Middle Atlantic factor (2025 Cost vs. Value Report) | October 2026 |
We scored 160 King of Prussia solar installers on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In King of Prussia data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |