122 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Joliet: E. Scott Ostrowski: Awesome Options for Awesome People, CR Score 60/100; 5.0★ from 48 Google reviews; open 24/7.
Best for emergencies (open 24/7): Illinois Solar Power, posts 24/7 hours; ranked #2 of 122.
Most-reviewed: Sunrun Solar, 822 Google reviews at 4.1★, the most of 122 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
122 Joliet solar installers are ranked here by CR Score, from ten published factors. 14 are open 24/7, 73 open Saturdays and 29 open Sundays, based on posted hours. The median Google rating is 4.9★ across 122 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | E. Scott Ostrowski: Awesome Options for Awesome People | 60 | 5.0★ (48) | Naperville, 15 mi away | 24/7 | Overall |
| 2 | Illinois Solar Power | 59 | 5.0★ (14) | Montgomery, 1 mi away | 24/7 | Emergencies |
| 3 | SUNRISE SOLAR | 59 | 4.9★ (173) | Willowbrook, 17 mi away | Sat | — |
| 4 | GreenGrids | 58 | 4.7★ (33) | Shorewood, 8 mi away | Sat · Sun · Evenings | — |
| 5 | 1Earth Solar | 58 | 5.0★ (13) | Joliet | Sat · Sun · Evenings | — |
| 6 | AweSun Power | 57 | 5.0★ (15) | Downers Grove, 15 mi away | 24/7 | — |
| 7 | Solar & Energy Experts LLC | 57 | 5.0★ (41) | Cicero, 30 mi away | 24/7 | — |
| 8 | Triumph Solar | 57 | 5.0★ (49) | Tinley Park, 14 mi away | Sat · Evenings | — |
| 9 | Kapital Electric, Inc. | 57 | 4.8★ (715) | Bensenville, 33 mi away | — | — |
| 10 | Volt Home Pros | 57 | 4.9★ (62) | Frankfort, 15 mi away | Sat | — |
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 in Joliet
Based in Naperville, 15 mi away
Ranked #1 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Solar energy company”.
Based in Montgomery, 1 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Solar energy company”.
Based in Willowbrook, 17 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 173 Google reviews, listed on Google as “Solar energy company”.
Based in Shorewood, 8 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 33 Google reviews, listed on Google as “Solar energy company”.
Based in Joliet
Ranked #5 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Solar energy company”.
Based in Downers Grove, 15 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Solar energy company”.
Based in Cicero, 30 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Solar energy company”.
Based in Tinley Park, 14 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Solar energy company”.
Based in Bensenville, 33 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 715 Google reviews, listed on Google as “Solar energy system service”.
Based in Frankfort, 15 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Solar energy company”.
Based in Morris, 20 mi away
Ranked #11 because of its Google rating and review volume: 4.8★ from 379 Google reviews.
Based in Des Plaines, 35 mi away
Ranked #12 because of its Google rating and review volume: 4.1★ from 822 Google reviews, the most in Joliet.
Based in Darien, 19 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Solar energy company”.
Based in Richton Park, 19 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Solar energy company”.
Based in Bolingbrook, 13 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based in Lockport, 4 mi away
Ranked #16 because of its Google rating and trade focus: 4.2★ from 23 Google reviews, listed on Google as “Solar energy company”.
Based in Homer Glen, 14 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Solar energy company”.
Based in Schaumburg, 37 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 46 Google reviews, listed on Google as “Solar energy company”.
Based in Chicago, 31 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Solar energy company”.
Based in Chicago, 32 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 72 Google reviews, listed on Google as “Solar energy company”.
Based in Oak Brook, 23 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 107 Google reviews, listed on Google as “Solar energy company”.
Based in Crest Hill, 25 mi away
Ranked #22 because of its Google rating and review volume: 4.8★ from 185 Google reviews.
Based in Elmhurst, 23 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 31 Google reviews, listed on Google as “Solar energy company”.
Based in Frankfort, 20 mi away
Ranked #24 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “Solar energy company”.
Based in Franklin Park, 30 mi away
Ranked #25 because of its Google rating and review volume: 5.0★ from 134 Google reviews.
#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 122 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Aurora Solar Panel Installers | 54 | 5.0★ (17) | 19 mi |
| 27 | Grand Solar & Environmental | 53 | 5.0★ (8) | 21 mi |
| 28 | Green Home Makeover | 53 | 4.6★ (47) | 17 mi |
| 29 | SLR Solar Panel Installer | 53 | 5.0★ (50) | 39 mi |
| 30 | RxSun | 53 | 4.8★ (121) | 35 mi |
| 31 | GoSolar | 53 | 5.0★ (25) | 30 mi |
| 32 | My Window Washing and Gutter Cleaning | 53 | 4.9★ (216) | 20 mi |
| 33 | Those Solar Guys | 53 | 5.0★ (4) | 18 mi |
| 34 | Reficiency Solar | 53 | 4.7★ (37) | 19 mi |
| 35 | Atlas Solar Advisors | 52 | 5.0★ (18) | 38 mi |
| 36 | Semper Solr | 52 | 4.8★ (99) | 37 mi |
| 37 | The Solar Shop | 52 | 5.0★ (5) | 13 mi |
| 38 | FreeWorld Electric & Solar | 52 | 4.9★ (58) | 33 mi |
| 39 | Neighborhood Electric Inc | 52 | 4.9★ (98) | 25 mi |
| 40 | Ailey Solar | 52 | 4.7★ (57) | 29 mi |
| 41 | Windfree Solar Co | 52 | 4.6★ (107) | 36 mi |
| 42 | The Chicago Solar Energy Company | 52 | 5.0★ (5) | 27 mi |
| 43 | Safeguard Solar LLC | 52 | 5.0★ (15) | 17 mi |
| 44 | Greencore Solar, Inc. | 51 | 5.0★ (7) | 32 mi |
| 45 | Solar Services | 51 | 4.9★ (11) | 26 mi |
| 46 | Windy City Solar Group | 51 | 5.0★ (11) | 28 mi |
| 47 | Independence Renewable Energy, LLC | 51 | 4.6★ (37) | 28 mi |
| 48 | The Chicago Solar Energy Company | 51 | 5.0★ (3) | 25 mi |
| 49 | Soleon Solar | 51 | 5.0★ (5) | 21 mi |
| 50 | Aeos Energy | 51 | 4.3★ (18) | 30 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 |
|---|---|---|
| ACSS Energy | 5.0★ (2) | 23 mi |
| AJA Energies | 4.0★ (1) | 17 mi |
| All Energy Solar | 5.0★ (1) | 22 mi |
| Carlson Solar Energy | 5.0★ (1) | 27 mi |
| Continental Energy Solutions LLC | 5.0★ (2) | 24 mi |
| Energy Efficient Building Systems By Solarcrete | 5.0★ (2) | 26 mi |
| Evo Energy | 5.0★ (2) | 15 mi |
| Imperium Energy Company | In Joliet | |
| Leading Solar Solutions, Inc | 5.0★ (1) | 12 mi |
| Mammoth Roofing and Solar, Alsip, IL | 4.0★ (2) | 21 mi |
| ProWash | 5.0★ (2) | In Joliet |
| Solar Service Solutions LLC | 5.0★ (2) | 10 mi |
| Solar SmartRoof by Powur | 5.0★ (2) | 38 mi |
| Solar with Jason | 5.0★ (1) | 22 mi |
| Solarmark Energy Solutions | 5.0★ (1) | 27 mi |
| Sunrun south chicago solutions | 1.0★ (2) | 22 mi |
| The Chicago Solar Energy Company | 5.0★ (1) | 28 mi |
| TruLight-Solar | 3.0★ (2) | 34 mi |
| Vivint Solar Frankfort Sales Office | 1.0★ (1) | 12 mi |
| Your Solar Guys | In Joliet |
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 122 Joliet 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 Joliet 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 |