34 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Highland: Streib Company, CR Score 83/100; 4.9★ from 679 Google reviews; open 24/7.
Best for emergencies (open 24/7): Ltd Solar Consulting and Roofing, posts 24/7 hours; ranked #2 of 34.
Most-reviewed: Constructors 911, 158 Google reviews at 4.9★, the most of 34 ranked after Streib Company; ranked #24.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
34 Highland solar installers are ranked here by CR Score, from 8 published factors. 4 are open 24/7, 14 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.8★ across 34 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Streib Company | 83 | 4.9★ (679) | St. Louis, 40 mi away | 24/7 | Overall |
| 2 | Ltd Solar Consulting and Roofing | 81 | 5.0★ (10) | St. Louis, 35 mi away | 24/7 | Emergencies |
| 3 | All Around Tree Care Services LLC | 81 | 4.8★ (66) | Mascoutah, 19 mi away | 24/7 | — |
| 4 | GRID LLC | 80 | 4.7★ (14) | Highland | Sat | — |
| 5 | Route 66 Solar | 79 | 4.9★ (119) | Edwardsville, 16 mi away | Evenings | — |
| 6 | Resolute Energy Solutions | 79 | 5.0★ (6) | Highland | Sat | — |
| 7 | Freedom Forever | 78 | 4.7★ (117) | Mascoutah, 15 mi away | — | — |
| 8 | Solar R&R Kings | 77 | 5.0★ (4) | East Saint Louis, 31 mi away | Sat · Sun | — |
| 9 | Astrawatt Solar | 76 | 4.7★ (47) | Olivette, 39 mi away | Sat · Evenings | — |
| 10 | Pyramid Electrical Contractors, Inc. | 75 | 3.5★ (24) | Fairview Heights, 19 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.9★ from 679 Google reviews, the most Google reviews on this list (679).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in St. Louis, 35 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mascoutah, 19 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 66 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Highland
Ranked #4 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Edwardsville, 16 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 119 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Highland
Ranked #6 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mascoutah, 15 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 117 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Saint Louis, 31 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Olivette, 39 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 47 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fairview Heights, 19 mi away
Ranked #10 because of its Google rating and availability: 3.5★ from 24 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Edwardsville, 16 mi away
Ranked #11 because of its Google rating and trade focus: 4.2★ from 140 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Alton, 25 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 on 6 of 8 factors; credentials and recency not yet collected.
Based in East Saint Louis, 30 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 on 6 of 8 factors; credentials and recency not yet collected.
Based in Swansea, 20 mi away
Ranked #14 because of its Google rating and proximity: 5.0★ from 4 Google reviews, 20 mi from Highland.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Florissant, 37 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 on 6 of 8 factors; credentials and recency not yet collected.
Based in St. Louis, 40 mi away
Ranked #16 because of its Google rating and trade focus: 4.0★ from 20 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fairview Heights, 20 mi away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 9 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hillsboro, 31 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Florissant, 36 mi away
Ranked #19 because of its Google rating and trade focus: 2.3★ from 3 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Clayton, 37 mi away
Ranked #20 because of its Google rating and trade focus: 4.4★ from 19 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in St. Louis, 34 mi away
Ranked #21 because of its Google rating and review volume: 4.9★ from 154 Google reviews, 154 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Olivette, 39 mi away
Ranked #22 because of its Google rating and review volume: 4.9★ from 28 Google reviews, 28 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in St. Louis, 40 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in St. Louis, 36 mi away
Ranked #24 because of its Google rating and review volume: 4.9★ from 158 Google reviews, 158 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Edwardsville, 16 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
#1 to #25 are shown in full above. Here are #26 to #34, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | ECOcentrix | 69 | 5.0★ (60) | 30 mi |
| 27 | Martin Roofing & Solar | 69 | 4.3★ (24) | 20 mi |
| 28 | Day & Night Solar | 68 | 4.3★ (12) | 19 mi |
| 29 | LVG Electrical & Communications | 68 | 4.9★ (75) | 36 mi |
| 30 | Solarships | 67 | 4.7★ (13) | 31 mi |
| 31 | Skyline Roofing & Solar | 67 | 4.8★ (19) | 40 mi |
| 32 | Hunter Appliance, Heating & Air | 65 | 4.6★ (34) | 35 mi |
| 33 | Camp Electric + Engineering Inc. | 64 | 4.2★ (10) | 27 mi |
| 34 | Building Systems Technologies LLC (BST-STL) | 62 | 4.8★ (6) | 37 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) | 30 mi |
| Azimuth Energy | 3.0★ (2) | 36 mi |
| Brighter Days Solar | 20 mi | |
| Cardinal Roofing & Solar Solutions | 1.0★ (1) | 35 mi |
| Clean Credits | 25 mi | |
| Energy preserve | 13 mi | |
| Gardner Capital | 1.0★ (1) | 37 mi |
| GRID LLC | In Highland | |
| Lafser & Associates, Inc. | 5.0★ (1) | 33 mi |
| Martin Solar | 20 mi | |
| Midwest Power Partners LLC | 18 mi | |
| Oncore Solar STL | 25 mi | |
| Premier Energy Group | 5.0★ (1) | 16 mi |
| Simply Solar Illinois | 25 mi | |
| Solar City STL Illinois | 5.0★ (1) | 21 mi |
| SolarIsland Energy | 5.0★ (1) | 32 mi |
| Supreme Solar Cleaning | 5.0★ (1) | 12 mi |
| The Power Company | 1.0★ (1) | 20 mi |
| US Solar | 5.0★ (1) | 29 mi |
| Zobrist Electric | 4.0★ (4) | In Highland |
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 34 Highland 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 Highland 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 |