56 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Glen Carbon: Route 66 Solar, CR Score 58/100; 4.9★ from 119 Google reviews; open evenings.
Best for emergencies (open 24/7): Streib Company, posts 24/7 hours; ranked #2 of 56.
Most-reviewed: Bates Electric, 1,366 Google reviews at 4.8★, the most of 56 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
56 Glen Carbon solar installers are ranked here by CR Score, from ten published factors. 7 are open 24/7, 24 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.8★ across 56 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Route 66 Solar | 58 | 4.9★ (119) | Edwardsville, 3 mi away | Evenings | Overall |
| 2 | Streib Company | 57 | 4.9★ (679) | St. Louis, 25 mi away | 24/7 | Emergencies |
| 3 | Ltd Solar Consulting and Roofing | 56 | 5.0★ (10) | St. Louis, 20 mi away | 24/7 | — |
| 4 | Bates Electric | 56 | 4.8★ (1,366) | Arnold, 32 mi away | 24/7 | Most reviews |
| 5 | Freedom Forever | 55 | 4.7★ (117) | Mascoutah, 16 mi away | — | — |
| 6 | eEquals Solar | 55 | 4.2★ (140) | Edwardsville, 5 mi away | — | — |
| 7 | StraightUp Solar | 55 | 4.9★ (128) | St. Louis, 24 mi away | — | — |
| 8 | Astrawatt Solar | 55 | 4.7★ (47) | Olivette, 22 mi away | Sat · Evenings | — |
| 9 | SunSent Solar | 54 | 4.6★ (106) | Saint Charles, 29 mi away | Sat | — |
| 10 | Shinnova Home + Solar | 54 | 5.0★ (30) | Bridgeton, 26 mi away | Sat · 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: 4.9★ from 119 Google reviews, listed on Google as “Solar energy company”.
Based in St. Louis, 25 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 679 Google reviews.
Based in St. Louis, 20 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Solar energy company”.
Based in Arnold, 32 mi away
Ranked #4 because of its Google rating and review volume: 4.8★ from 1,366 Google reviews, the most in Glen Carbon.
Based in Mascoutah, 16 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 117 Google reviews, listed on Google as “Solar energy company”.
Based in Edwardsville, 5 mi away
Ranked #6 because of its Google rating and trade focus: 4.2★ from 140 Google reviews, listed on Google as “Solar energy company”.
Based in St. Louis, 24 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 128 Google reviews, listed on Google as “Solar energy company”.
Based in Olivette, 22 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 47 Google reviews, listed on Google as “Solar energy company”.
Based in Saint Charles, 29 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 106 Google reviews, listed on Google as “Solar energy company”.
Based in Bridgeton, 26 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Solar energy company”.
Based in Sappington, 26 mi away
Ranked #11 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based in East Alton, 12 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Solar energy company”.
Based in East Saint Louis, 16 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 77 Google reviews, listed on Google as “Solar energy company”.
Based in East Saint Louis, 16 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Saint Charles, 27 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 104 Google reviews, listed on Google as “Solar energy company”.
Based in Highland, 16 mi away
Ranked #16 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Solar energy company”.
Based in Saint Charles, 27 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Solar energy company”.
Based in Mascoutah, 21 mi away
Ranked #18 because of its Google rating and review volume: 4.8★ from 66 Google reviews.
Based in Fairview Heights, 11 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 9 Google reviews, listed on Google as “Solar energy company”.
Based in Florissant, 21 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based in St. Louis, 25 mi away
Ranked #21 because of its Google rating and trade focus: 4.0★ from 20 Google reviews, listed on Google as “Solar energy company”.
Based in Ballwin, 29 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 12 Google reviews, listed on Google as “Solar energy company”.
Based in Ballwin, 29 mi away
Ranked #23 because of its Google rating and review volume: 4.9★ from 817 Google reviews.
Based in Saint Peters, 33 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Roofing contractor”.
Based in Highland, 27 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 6 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 56 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | SunKey Solar | 51 | 5.0★ (15) | 27 mi |
| 27 | EFS Energy | 51 | 4.4★ (32) | 25 mi |
| 28 | SunSent | 51 | 5.0★ (5) | 28 mi |
| 29 | Exceptional Electric | 51 | 4.9★ (381) | 26 mi |
| 30 | Statewide Solar | 50 | 2.3★ (3) | 19 mi |
| 31 | Pyramid Electrical Contractors, Inc. | 50 | 3.5★ (24) | 10 mi |
| 32 | Brda Electric | 50 | 4.9★ (154) | 18 mi |
| 33 | GreenWay Financial & Energy Solutions | 50 | 5.0★ (5) | 33 mi |
| 34 | Exceptional Energy Solutions | 50 | 5.0★ (17) | 35 mi |
| 35 | All Green Energy | 50 | 5.0★ (6) | 26 mi |
| 36 | Constructors 911 | 50 | 4.9★ (158) | 21 mi |
| 37 | B-Raines Slate & Solar Roofing Co. | 49 | 4.4★ (19) | 20 mi |
| 38 | Day & Night Solar | 49 | 4.3★ (12) | 5 mi |
| 39 | ECOcentrix | 49 | 5.0★ (60) | 15 mi |
| 40 | AKA Solar LLC | 49 | 5.0★ (5) | 27 mi |
| 41 | Solar Luxury LLC | 49 | 5.0★ (11) | 23 mi |
| 42 | Midwest Solar Solutions | 49 | 5.0★ (4) | 14 mi |
| 43 | RoofTek | 48 | 4.9★ (28) | 22 mi |
| 44 | LVG Electrical & Communications | 48 | 4.9★ (75) | 21 mi |
| 45 | Cann-Aire | 48 | 5.0★ (4) | 2 mi |
| 46 | 3MG Roofing & Solar | 47 | 4.7★ (14) | 35 mi |
| 47 | Skyline Roofing & Solar | 47 | 4.8★ (19) | 27 mi |
| 48 | Martin Roofing & Solar | 47 | 4.3★ (24) | 22 mi |
| 49 | Valoa Solar | 47 | 3.7★ (3) | 33 mi |
| 50 | five stars electric and solar LLC | 45 | 3.2★ (11) | 35 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 |
|---|---|---|
| American Patriot Solar | 5.0★ (1) | 15 mi |
| Azimuth Energy | 3.0★ (2) | 20 mi |
| Cardinal Roofing & Solar Solutions | 1.0★ (1) | 20 mi |
| Clean Credits | 12 mi | |
| Gardner Capital | 1.0★ (1) | 20 mi |
| GoSolar | 1.0★ (1) | 35 mi |
| Grandinetti Services LLC | 5.0★ (2) | 25 mi |
| H&F Exteriors | 4.9★ (703) | In Glen Carbon |
| Lafser & Associates, Inc. | 5.0★ (1) | 17 mi |
| Midamerica Solar LLC | 4.0★ (1) | 33 mi |
| Oncore Solar STL | 12 mi | |
| Premier Energy Group | 5.0★ (1) | 5 mi |
| R3 Renewables | 13 mi | |
| Roof Experts | 5.0★ (1) | 26 mi |
| Solar City STL Illinois | 5.0★ (1) | 14 mi |
| SolarIsland Energy | 5.0★ (1) | 16 mi |
| STL Solar Plus | 5.0★ (1) | 28 mi |
| Supreme Solar Cleaning | 5.0★ (1) | 12 mi |
| The Power Company | 1.0★ (1) | 11 mi |
| US Solar | 5.0★ (1) | 23 mi |
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 56 Glen Carbon 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 Glen Carbon 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 |