Ranked #1 in Frankfort
Based in Naperville, 15 mi away
Ranked #1 because of its Google rating and availability: 5.0★ from 48 Google reviews, open 24/7.
- 5.0★ from 48 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
118 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Frankfort: E. Scott Ostrowski: Awesome Options for Awesome People, CR Score 87/100; 5.0★ from 48 Google reviews; open 24/7.
Best for emergencies (open 24/7): AweSun Power, posts 24/7 hours; ranked #2 of 118.
Most-reviewed: Sunrun Solar, 822 Google reviews at 4.1★, the most of 118 ranked; ranked #17.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
118 Frankfort solar installers are ranked here by CR Score, from 8 published factors. 14 are open 24/7, 70 open Saturdays and 27 open Sundays, based on posted hours. The median Google rating is 4.9★ across 118 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | E. Scott Ostrowski: Awesome Options for Awesome People | 87 | 5.0★ (48) | Naperville, 15 mi away | 24/7 | Overall |
| 2 | AweSun Power | 84 | 5.0★ (15) | Downers Grove, 15 mi away | 24/7 | Emergencies |
| 3 | Solar & Energy Experts LLC | 84 | 5.0★ (41) | Cicero, 33 mi away | 24/7 | — |
| 4 | Illinois Solar Power | 83 | 5.0★ (14) | Montgomery, 11 mi away | 24/7 | — |
| 5 | Solar Professionals of Illinois | 83 | 4.8★ (24) | Richton Park, 7 mi away | Sat · Sun · Evenings | — |
| 6 | Volt Home Pros | 83 | 4.9★ (62) | Frankfort | Sat | — |
| 7 | Triumph Solar | 83 | 5.0★ (49) | Tinley Park, 5 mi away | Sat · Evenings | — |
| 8 | BB&C Solar Enterprises | 82 | 4.5★ (15) | Frankfort | Sat · Sun · Evenings | — |
| 9 | SUNRISE SOLAR | 82 | 4.9★ (173) | Willowbrook, 18 mi away | Sat | — |
| 10 | Adams | 82 | 4.8★ (379) | Morris, 30 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 in Frankfort
Based in Naperville, 15 mi away
Ranked #1 because of its Google rating and availability: 5.0★ from 48 Google reviews, open 24/7.
Based in Downers Grove, 15 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
Based in Cicero, 33 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 41 Google reviews, open 24/7.
Based in Montgomery, 11 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
Based in Richton Park, 7 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Solar energy company”.
Based in Frankfort
Ranked #6 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Solar energy company”.
Based in Tinley Park, 5 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Solar energy company”.
Based in Frankfort
Ranked #8 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “Solar energy company”.
Based in Willowbrook, 18 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 173 Google reviews, listed on Google as “Solar energy company”.
Based in Morris, 30 mi away
Ranked #10 because of its Google rating and availability: 4.8★ from 379 Google reviews, open 24/7.
Based in Darien, 26 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
Based in Franklin Park, 30 mi away
Ranked #12 because of its Google rating and availability: 5.0★ from 134 Google reviews, open 24/7.
Based in Bolingbrook, 19 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based in Shorewood, 20 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 33 Google reviews, listed on Google as “Solar energy company”.
Based in Joliet, 15 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Solar energy company”.
Based in Crest Hill, 31 mi away
Ranked #16 because of its Google rating and availability: 4.8★ from 185 Google reviews, open 24/7.
Based in Des Plaines, 36 mi away
Ranked #17 because of its Google rating and review volume: 4.1★ from 822 Google reviews, the most Google reviews on this list (822).
Based in Chicago, 23 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Solar energy company”.
Based in Chicago, 28 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 72 Google reviews, listed on Google as “Solar energy company”.
Based in Western Springs, 21 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based in Bensenville, 35 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 715 Google reviews, listed on Google as “Solar energy system service”.
Based in Chicago, 35 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Solar energy company”.
Based in Homer Glen, 12 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Solar energy company”.
Based in Midlothian, 11 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Solar energy company”.
Based in Skokie, 37 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 50 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 118 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | The Chicago Solar Energy Company | 77 | 5.0★ (5) | 25 mi |
| 27 | Solar Power Midwest LLC | 77 | 4.2★ (23) | 13 mi |
| 28 | My Window Washing and Gutter Cleaning | 76 | 4.9★ (216) | 22 mi |
| 29 | The Chicago Solar Energy Company | 76 | 5.0★ (3) | 22 mi |
| 30 | Illinois Solar Express, LLC | 76 | 4.9★ (31) | 25 mi |
| 31 | Neighborhood Electric Inc | 76 | 4.9★ (98) | 32 mi |
| 32 | Greencore Solar, Inc. | 76 | 5.0★ (7) | 34 mi |
| 33 | GoSolar | 76 | 5.0★ (25) | 33 mi |
| 34 | Unity Solar Group | 76 | 4.8★ (107) | 25 mi |
| 35 | Ace GC Exteriors | 75 | 4.7★ (32) | 34 mi |
| 36 | The Chicago Solar Energy Company | 75 | 5.0★ (3) | 29 mi |
| 37 | T&J Prestige | 75 | 4.9★ (38) | 23 mi |
| 38 | RxSun | 75 | 4.8★ (121) | 31 mi |
| 39 | Elegant Solar Inc | 75 | 5.0★ (6) | 39 mi |
| 40 | My Window Washing and Gutter Cleaning | 74 | 4.9★ (234) | 35 mi |
| 41 | Windy City Solar Group | 74 | 5.0★ (11) | 25 mi |
| 42 | Aurora Solar Panel Installers | 74 | 5.0★ (17) | 30 mi |
| 43 | FreeWorld Electric & Solar | 74 | 4.9★ (58) | 29 mi |
| 44 | The Solar Shop | 74 | 5.0★ (5) | 23 mi |
| 45 | Ailey Solar | 74 | 4.7★ (57) | 24 mi |
| 46 | My Window Washing | 74 | 4.9★ (164) | 34 mi |
| 47 | E on Climate & Renewables Na | 74 | 4.3★ (4) | 29 mi |
| 48 | Semper Solaris | 73 | 5.0★ (6) | 23 mi |
| 49 | Solar Services | 73 | 4.9★ (11) | 31 mi |
| 50 | LB Solar Solution | 73 | 4.3★ (6) | 24 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 |
|---|---|---|
| A2Z Cleanup and Restoration G.C, LLC | In Frankfort | |
| ACSS Energy | 5.0★ (2) | 25 mi |
| AJA Energies | 4.0★ (1) | 18 mi |
| Assured Energy Solutions | 4.9★ (301) | In Frankfort |
| Continental Energy Solutions LLC | 5.0★ (2) | 25 mi |
| Energy Efficient Building Systems By Solarcrete | 5.0★ (2) | 24 mi |
| Evo Energy | 5.0★ (2) | 15 mi |
| Frankfort Electrician | 4.8★ (22) | In Frankfort |
| Green Light Energy | In Frankfort | |
| Leading Solar Solutions, Inc | 5.0★ (1) | 4 mi |
| Mammoth Roofing and Solar, Alsip, IL | 4.0★ (2) | 15 mi |
| MWSLR - Midwest Solar | 5.0★ (2) | 15 mi |
| ProWash | 5.0★ (2) | 12 mi |
| Selenium Solar | In Frankfort | |
| Sintic Solutions LLC | 5.0★ (1) | 15 mi |
| Solar Service Solutions LLC | 5.0★ (2) | 20 mi |
| Solar with Jason | 5.0★ (1) | 24 mi |
| Sunrun south chicago solutions | 1.0★ (2) | 15 mi |
| TruLight-Solar | 3.0★ (2) | 30 mi |
| Vivint Solar Frankfort Sales Office | 1.0★ (1) | In Frankfort |
Typical prices in USD, adjusted for Illinois with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $26,020 | $29,430 | $32,010 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.95 East North Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 118 Frankfort solar installers on 8 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. Unknown factors are left out of the score, 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 Frankfort data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |