85/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 41 Google reviews, open 24/7.
- 5.0★ from 41 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Solar Installers in Posen, IL (2026)
120 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Posen: Solar & Energy Experts LLC, CR Score 85/100; 5.0★ from 41 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): JD Pro Electric Inc, posts 24/7 hours; ranked #3 of 120.
- 9
Most-reviewed: Sunrun Solar, 822 Google reviews at 4.1★, the most of 120 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
120 Posen solar installers are ranked here by CR Score, from 8 published factors. 10 are open 24/7, 72 open Saturdays and 24 open Sundays, based on posted hours. The median Google rating is 4.9★ across 120 rated businesses.
Top 10 solar installers in Posen at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Solar & Energy Experts LLC | 85 | 5.0★ (41) | Cicero, 29 mi away | 24/7 | Overall |
| 2 | SUNRISE SOLAR | 83 | 4.9★ (173) | Willowbrook, 16 mi away | Sat | — |
| 3 | JD Pro Electric Inc | 82 | 5.0★ (134) | Franklin Park, 23 mi away | 24/7 | Emergencies |
| 4 | Solar Professionals of Illinois | 82 | 4.8★ (24) | Richton Park, 10 mi away | Sat · Sun · Evenings | — |
| 5 | Triumph Solar | 82 | 5.0★ (49) | Tinley Park, 9 mi away | Sat · Evenings | — |
| 6 | Illinois Solar Power | 82 | 5.0★ (14) | Montgomery, 22 mi away | 24/7 | — |
| 7 | Priority Solar Installation | 82 | 4.9★ (61) | Chicago, 10 mi away | Sat · Evenings | — |
| 8 | Ananta Energy Source | 81 | 5.0★ (10) | Darien, 27 mi away | 24/7 | — |
| 9 | Sunrun Solar | 81 | 4.1★ (822) | Des Plaines, 29 mi away | Sat · Sun | Most reviews |
| 10 | BB&C Solar Enterprises | 81 | 4.5★ (15) | Frankfort, 8 mi away | Sat · Sun · Evenings | — |
The 120 best solar installers in Posen, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Willowbrook, 16 mi away
83/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 173 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 173 Google reviews
- Hours
- Mon–Sat 9 AM–5 PM · Sun closed
- Address
- 825 75th St UNIT E, Willowbrook, IL 60527
Based in Franklin Park, 23 mi away
82/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 134 Google reviews, open 24/7.
- 5.0★ from 134 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9230 Grand Ave, Franklin Park, IL 60131
Based in Richton Park, 10 mi away
82/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Solar energy company”.
- 4.8★ from 24 Google reviews
- Hours
- Mon–Sun 9 AM–9 PM
- Address
- 4137 Sauk Trail Suite 333, Richton Park, IL 60471
Based in Tinley Park, 9 mi away
82/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 49 Google reviews
- Hours
- Mon–Thu 7 AM–7 PM · Fri 9 AM–7 PM · Sat 7 AM–7 PM · Sun closed
- Address
- 8527 Scheer Dr, Tinley Park, IL 60487
Based in Montgomery, 22 mi away
82/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
- 5.0★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Chicago, 10 mi away
82/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 61 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 7509 S Chappel Ave, Chicago, IL 60649
Based in Darien, 27 mi away
81/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
- 5.0★ from 10 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#9 Sunrun Solar
Based in Des Plaines, 29 mi away
81/100CR ScoreRanked #9 because of its Google rating and review volume: 4.1★ from 822 Google reviews, the most Google reviews on this list (822).
- 4.1★ from 822 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 2291 & 2309 S Mt Prospect Rd, Des Plaines, IL 60018
Based in Frankfort, 8 mi away
81/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “Solar energy company”.
- 4.5★ from 15 Google reviews
- Hours
- Mon–Sun 8 AM–9 PM
#11 Volt Home Pros
Based in Frankfort, 11 mi away
81/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 62 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat 9 AM–2 PM · Sun closed
- Address
- 7777 W Lincoln Hwy Suite A, Frankfort, IL 60423
Based in Bolingbrook, 22 mi away
81/100CR ScoreRanked #12 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
- 5.0★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 498 W Boughton Rd, Bolingbrook, IL 60440
Based in Crest Hill, 30 mi away
80/100CR ScoreRanked #13 because of its Google rating and availability: 4.8★ from 185 Google reviews, open 24/7.
- 4.8★ from 185 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#14 WindSoleil
Based in Chicago, 18 mi away
80/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 72 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 72 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat 8 AM–4 PM · Sun closed
- Address
- 401 N Trumbull Ave # D, Chicago, IL 60624
#15 Smart Sky Solar
Based in Schaumburg, 36 mi away
80/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 46 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 46 Google reviews
- Hours
- Mon–Sat 8 AM–8 PM · Sun 8 AM–5 PM
- Address
- 1901 N Roselle Rd Suit 800, Schaumburg, IL 60195
Based in Chicago, 25 mi away
80/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 18 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3152 W Devon Ave APT 2D, Chicago, IL 60659
#17 GreenGrids
Based in Shorewood, 30 mi away
79/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.7★ from 33 Google reviews, listed on Google as “Solar energy company”.
- 4.7★ from 33 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 21403 Somerset St, Shorewood, IL 60404
Based in Bensenville, 29 mi away
79/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 715 Google reviews, listed on Google as “Solar energy system service”.
- 4.8★ from 715 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 1270 Mark St, Bensenville, IL 60106
Based in Western Springs, 16 mi away
79/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 8 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
- Address
- 4736 Grand Ave, Western Springs, IL 60558
#20 1Earth Solar
Based in Joliet, 25 mi away
79/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 13 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 2108 McDonough St, Joliet, IL 60436
#21 Those Solar Guys
Based in Midlothian, 4 mi away
78/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 4 Google reviews
- Hours
- Mon–Sun 9 AM–10 PM
- Address
- 5705 W Midlothian Turnpike, Midlothian, IL 60445
Based in Skokie, 28 mi away
78/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 50 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 4939 Oakton St, Skokie, IL 60077
Based in Downers Grove, 16 mi away
78/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 5 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
Based in Homer Glen, 11 mi away
78/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 22 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun closed
Based in Cicero, 14 mi away
78/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 3 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
Solar installers ranked #26 to #50
#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 120 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | PB Solar Panel Installer | 77 | 5.0★ (60) | 39 mi |
| 27 | My Window Washing and Gutter Cleaning | 77 | 4.9★ (216) | 18 mi |
| 28 | Greencore Solar, Inc. | 77 | 5.0★ (7) | 28 mi |
| 29 | Illinois Solar Express, LLC | 77 | 4.9★ (31) | 21 mi |
| 30 | The Chicago Solar Energy Company | 77 | 5.0★ (3) | 20 mi |
| 31 | GoSolar | 77 | 5.0★ (25) | 28 mi |
| 32 | RxSun | 77 | 4.8★ (121) | 20 mi |
| 33 | Unity Solar Group | 76 | 4.8★ (107) | 20 mi |
| 34 | Neighborhood Electric Inc | 76 | 4.9★ (98) | 32 mi |
| 35 | Elegant Solar Inc | 76 | 5.0★ (6) | 31 mi |
| 36 | My Window Washing and Gutter Cleaning | 76 | 4.9★ (234) | 25 mi |
| 37 | Windy City Solar Group | 76 | 5.0★ (11) | 17 mi |
| 38 | FreeWorld Electric & Solar | 76 | 4.9★ (58) | 18 mi |
| 39 | E on Climate & Renewables Na | 76 | 4.3★ (4) | 18 mi |
| 40 | Ailey Solar | 76 | 4.7★ (57) | 13 mi |
| 41 | Nexamp | 76 | 3.3★ (12) | 18 mi |
| 42 | Solar Power Midwest LLC | 75 | 4.2★ (23) | 20 mi |
| 43 | T&J Prestige | 75 | 4.9★ (38) | 21 mi |
| 44 | LB Solar Solution | 75 | 4.3★ (6) | 13 mi |
| 45 | Quality Solar, LLC | Best solar company in Chicago, Illinois | 75 | 4.4★ (14) | 17 mi |
| 46 | Windfree Solar Co | 74 | 4.6★ (107) | 24 mi |
| 47 | My Window Washing | 74 | 4.9★ (164) | 31 mi |
| 48 | Solarwerks | 74 | 5.0★ (34) | 23 mi |
| 49 | Semper Solaris | 74 | 5.0★ (6) | 20 mi |
| 50 | Semper Solr | 74 | 4.8★ (99) | 35 mi |
Also serving Posen
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) | 22 mi |
| AJA Energies | 4.0★ (1) | 15 mi |
| Chicago Solar Installation Experts | 1.0★ (1) | 18 mi |
| Cohesive Enterprises LLC | 5.0★ (1) | 18 mi |
| Continental Energy Solutions LLC | 5.0★ (2) | 20 mi |
| Energy Efficient Building Systems By Solarcrete | 5.0★ (2) | 16 mi |
| Geothermal Energy Solutions, Inc. | 4.5★ (2) | 36 mi |
| Leading Solar Solutions, Inc | 5.0★ (1) | 11 mi |
| Mammoth Roofing and Solar, Alsip, IL | 4.0★ (2) | 5 mi |
| Pivot Energy | 1.0★ (1) | 18 mi |
| ProWash | 5.0★ (2) | 22 mi |
| Solar Panels Installation Oak Park | 1.0★ (1) | 19 mi |
| Solar Service Solutions LLC | 5.0★ (2) | 31 mi |
| Solar Us Shop | 4.0★ (1) | 18 mi |
| Solar with Jason | 5.0★ (1) | 21 mi |
| Sunrun south chicago solutions | 1.0★ (2) | 5 mi |
| SunVest Solar LLC | 2.0★ (1) | 18 mi |
| The Chicago Solar Energy Company | 5.0★ (1) | 16 mi |
| TruLight-Solar | 3.0★ (2) | 20 mi |
| Vivint Solar Frankfort Sales Office | 1.0★ (1) | 12 mi |
How much do solar installers cost in Posen?
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 |
How we ranked Posen solar installers
We scored 120 Posen 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 Posen 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 |
Solar installers in Posen: frequently asked questions
Who is the best solar installer in Posen?
By CR Score, the highest-ranked solar installer in Posen, IL is Solar & Energy Experts LLC with a CR Score of 85/100. It has 5.0★ from 41 Google reviews. It is open 24/7. SUNRISE SOLAR (#2) and JD Pro Electric Inc (#3) follow. We ranked 120 solar installers on 8 factors, last updated October 22, 2026.
How many solar installers are there in Posen?
ContractorsRanked ranks 120 solar installers serving Posen, IL. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which solar installers in Posen are open 24/7?
10 ranked solar installers in Posen post 24/7 hours. The highest-ranked are Solar & Energy Experts LLC (#1), JD Pro Electric Inc (#3) and Illinois Solar Power (#6). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which solar installers in Posen work on weekends?
72 of 120 ranked solar installers post Saturday hours and 24 post Sunday hours. The highest-ranked open Saturdays are Solar & Energy Experts LLC (#1), SUNRISE SOLAR (#2) and JD Pro Electric Inc (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does solar panel installation cost in Posen?
Solar panel installation typically costs $26,020 to $32,010, with $29,430 typical (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)). The range is adjusted for Illinois. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Posen solar installers have?
The median Google rating among 120 rated solar installers in Posen is 4.9★, with a median of 18 reviews. Sunrun Solar has the most, 822 reviews, and ranks #9. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank solar installers?
Each solar installer gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do solar installers outside Posen count in this ranking?
Yes, if they are within 40 mi of the Posen city center, our service radius for solar installers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Posen
- October 2026: CR Scores recalculated for 120 solar installers serving Posen.
More solar installers and Posen pages
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