8 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Chester: Autonomy Solar, CR Score 57/100; 5.0★ from 35 Google reviews; open Saturdays until 6 PM.
Best for emergencies (open 24/7): All Around Tree Care Services LLC, posts 24/7 hours; ranked #3 of 8.
Most-reviewed: All Around Tree Care Services LLC, 66 Google reviews at 4.8★, the most of 8 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
8 Chester solar installers are ranked here by CR Score, from ten published factors. 1 is open 24/7, 4 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 5.0★ across 8 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Autonomy Solar | 57 | 5.0★ (35) | Cape Girardeau, 39 mi away | Sat | Overall |
| 2 | Casa Del Solar, LLC | 56 | 5.0★ (11) | Farmington, 34 mi away | Sat · Sun · Evenings | — |
| 3 | All Around Tree Care Services LLC | 55 | 4.8★ (66) | Mascoutah, 40 mi away | 24/7 | Emergencies, Most reviews |
| 4 | Jackson Solar | 55 | 5.0★ (32) | Jackson, 38 mi away | — | — |
| 5 | Solarize | 49 | 5.0★ (5) | Festus, 39 mi away | — | — |
| 6 | Martin Roofing & Solar | 49 | 4.3★ (24) | Mascoutah, 38 mi away | — | — |
| 7 | Rumos Chem | 48 | 4.7★ (31) | Farmington, 35 mi away | — | — |
| 8 | IT Electric LLC | 45 | 5.0★ (6) | Bonne Terre, 40 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 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Solar energy company”.
Based in Farmington, 34 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Solar energy company”.
Based in Mascoutah, 40 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 66 Google reviews, the most in Chester.
Based in Jackson, 38 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Solar energy company”.
Based in Festus, 39 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy system service”.
Based in Mascoutah, 38 mi away
Ranked #6 because of its Google rating and review volume: 4.3★ from 24 Google reviews.
Based in Farmington, 35 mi away
Ranked #7 because of its Google rating and review volume: 4.7★ from 31 Google reviews.
Based in Bonne Terre, 40 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Electrician”.
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 8 Chester 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 Chester 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 |