128 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Buffalo Grove: Tron Solar, CR Score 62/100; 4.8★ from 989 Google reviews.
Best for emergencies (open 24/7): Solar & Energy Experts LLC, posts 24/7 hours; ranked #5 of 128.
Most-reviewed: Sunrun Solar, 822 Google reviews at 4.1★, the most of 128 ranked after Tron Solar; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
128 Buffalo Grove solar installers are ranked here by CR Score, from ten published factors. 13 are open 24/7, 76 open Saturdays and 25 open Sundays, based on posted hours. The median Google rating is 4.9★ across 128 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Tron Solar | 62 | 4.8★ (989) | Vernon Hills, 5 mi away | — | Overall |
| 2 | Certasun | 60 | 4.8★ (306) | Buffalo Grove | — | — |
| 3 | Sunrun Solar | 60 | 4.1★ (822) | Des Plaines, 10 mi away | Sat · Sun | Most reviews |
| 4 | Kapital Electric, Inc. | 60 | 4.8★ (715) | Bensenville, 11 mi away | — | — |
| 5 | Solar & Energy Experts LLC | 60 | 5.0★ (41) | Cicero, 14 mi away | 24/7 | Emergencies |
| 6 | Smart Sky Solar | 59 | 4.9★ (46) | Schaumburg, 9 mi away | Sat · Sun · Evenings | — |
| 7 | PB Solar Panel Installer | 58 | 5.0★ (60) | Highland Park, 7 mi away | Sat | — |
| 8 | SunPower® | 58 | 4.1★ (451) | Vernon Hills, 5 mi away | Sat · Evenings | — |
| 9 | Midwest Solutions Inc | 57 | 4.9★ (151) | Antioch, 24 mi away | Sat · Evenings | — |
| 10 | E. Scott Ostrowski: Awesome Options for Awesome People | 57 | 5.0★ (48) | Naperville, 31 mi away | 24/7 | — |
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 review volume: 4.8★ from 989 Google reviews, the most in Buffalo Grove.
Based in Buffalo Grove
Ranked #2 because of its Google rating and trade focus: 4.8★ from 306 Google reviews, listed on Google as “Solar energy company”.
Based in Des Plaines, 10 mi away
Ranked #3 because of its Google rating and trade focus: 4.1★ from 822 Google reviews, listed on Google as “Solar energy company”.
Based in Bensenville, 11 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 715 Google reviews, listed on Google as “Solar energy system service”.
Based in Cicero, 14 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Solar energy company”.
Based in Schaumburg, 9 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 46 Google reviews, listed on Google as “Solar energy company”.
Based in Highland Park, 7 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 60 Google reviews, listed on Google as “Solar energy company”.
Based in Vernon Hills, 5 mi away
Ranked #8 because of its Google rating and trade focus: 4.1★ from 451 Google reviews, listed on Google as “Solar energy company”.
Based in Antioch, 24 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 151 Google reviews, listed on Google as “Solar energy company”.
Based in Naperville, 31 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Solar energy company”.
Based in Crystal Lake, 19 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Solar energy company”.
Based in Willowbrook, 28 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 173 Google reviews, listed on Google as “Solar energy company”.
Based in Skokie, 14 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Solar energy company”.
Based in Rolling Meadows, 7 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 99 Google reviews, listed on Google as “Solar energy company”.
Based in Crystal Lake, 12 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 78 Google reviews, listed on Google as “Solar energy company”.
Based in Chicago, 22 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 72 Google reviews, listed on Google as “Solar energy company”.
Based in Franklin Park, 16 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 134 Google reviews.
Based in Chicago, 17 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Solar energy company”.
Based in Fox Lake, 13 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based in Arlington Heights, 2 mi away
Ranked #20 because of its Google rating and review volume: 4.9★ from 219 Google reviews.
Based in Libertyville, 8 mi away
Ranked #21 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Solar energy company”.
Based in Cicero, 14 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Solar energy company”.
Based in Apache Junction, 8 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Solar energy company”.
Based in Chicago, 22 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 121 Google reviews, listed on Google as “Solar energy company”.
Based in Downers Grove, 31 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 15 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 128 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Mr. Electric of Greater Naperville | 55 | 4.8★ (185) | 21 mi |
| 27 | Greencore Solar, Inc. | 55 | 5.0★ (7) | 12 mi |
| 28 | My Window Washing and Gutter Cleaning | 55 | 4.9★ (259) | 9 mi |
| 29 | Unity Solar Group | 55 | 4.8★ (107) | 21 mi |
| 30 | Windfree Solar Co | 55 | 4.6★ (107) | 16 mi |
| 31 | Illinois Solar Express, LLC | 55 | 4.9★ (31) | 21 mi |
| 32 | Ananta Energy Source | 54 | 5.0★ (10) | 27 mi |
| 33 | YourSolarHelp | 54 | 5.0★ (9) | 16 mi |
| 34 | Freedom Forever | 54 | 4.0★ (239) | 8 mi |
| 35 | Property Refresh Power Washing and Gutter Cleaning | 54 | 4.9★ (102) | In Buffalo Grove |
| 36 | Priority Solar Installation | 54 | 4.9★ (61) | 34 mi |
| 37 | Phoenix Exteriors Roofing & Solar | 54 | 4.7★ (178) | 8 mi |
| 38 | Sige Solar | 54 | 4.6★ (30) | 9 mi |
| 39 | Aeos Energy | 53 | 4.3★ (18) | 14 mi |
| 40 | My Window Washing and Gutter Cleaning | 53 | 4.9★ (234) | 16 mi |
| 41 | FreeWorld Electric & Solar | 53 | 4.9★ (58) | 23 mi |
| 42 | Sun N Us Solar | 53 | 4.2★ (13) | 10 mi |
| 43 | Grand Solar & Environmental | 53 | 5.0★ (8) | 24 mi |
| 44 | Global Adjusting & Construction | 53 | 4.9★ (178) | 13 mi |
| 45 | My Window Washing | 53 | 4.9★ (164) | 15 mi |
| 46 | 93Energy | 53 | 4.7★ (29) | 14 mi |
| 47 | TruHome Pros | 53 | 4.8★ (342) | 18 mi |
| 48 | Solar by Dave Stanton | 53 | 5.0★ (5) | 31 mi |
| 49 | Source Solar | 53 | 3.8★ (18) | 15 mi |
| 50 | Solar Services | 52 | 4.9★ (11) | 19 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) | 21 mi |
| Apollo Solar Energies | 5.0★ (1) | 10 mi |
| Carlson Solar Energy | 5.0★ (1) | 17 mi |
| Continental Energy Solutions LLC | 5.0★ (2) | 21 mi |
| Energy Efficient Building Systems By Solarcrete | 5.0★ (2) | 22 mi |
| Evo Energy | 5.0★ (2) | 31 mi |
| Geothermal Energy Solutions, Inc. | 4.5★ (2) | 6 mi |
| Global SunPower | 1.0★ (1) | 13 mi |
| JD Pro Electric INC | 5.0★ (1) | 11 mi |
| Mammoth Roofing and Solar, Alsip, IL | 4.0★ (2) | 34 mi |
| MARS Energy EPC | In Buffalo Grove | |
| Poltech Electric Inc. | 5.0★ (1) | 10 mi |
| SLR Werks Solar Panel Installer LLC | 5.0★ (1) | 16 mi |
| Solar Connections International | 5.0★ (1) | 19 mi |
| Solar Panels Installation Oak Park | 1.0★ (1) | 20 mi |
| Solar SmartRoof by Powur | 5.0★ (2) | 19 mi |
| Solarmark Energy Solutions | 5.0★ (1) | 21 mi |
| Sunrun south chicago solutions | 1.0★ (2) | 34 mi |
| TruLight-Solar | 3.0★ (2) | 20 mi |
| USA Clean Solar | 1.0★ (1) | 8 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 128 Buffalo Grove 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 Buffalo Grove 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 |