62/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 48 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Solar Installers in Naperville, IL (2026)
139 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Naperville: E. Scott Ostrowski: Awesome Options for Awesome People, CR Score 62/100; 5.0★ from 48 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Solar & Energy Experts LLC, posts 24/7 hours; ranked #2 of 139.
- 8
Most-reviewed: Tron Solar, 989 Google reviews at 4.8★, the most of 139 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
139 Naperville solar installers are ranked here by CR Score, from ten published factors. 16 are open 24/7, 86 open Saturdays and 32 open Sundays, based on posted hours. The median Google rating is 4.9★ across 139 rated businesses.
Top 10 solar installers in Naperville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | E. Scott Ostrowski: Awesome Options for Awesome People | 62 | 5.0★ (48) | Naperville | 24/7 | Overall |
| 2 | Solar & Energy Experts LLC | 60 | 5.0★ (41) | Cicero, 13 mi away | 24/7 | Emergencies |
| 3 | SUNRISE SOLAR | 60 | 4.9★ (173) | Willowbrook, 11 mi away | Sat | — |
| 4 | Kapital Electric, Inc. | 59 | 4.8★ (715) | Bensenville, 17 mi away | — | — |
| 5 | Ananta Energy Source | 59 | 5.0★ (10) | Darien, 1 mi away | 24/7 | — |
| 6 | Sunrun Solar | 58 | 4.1★ (822) | Des Plaines, 20 mi away | Sat · Sun | — |
| 7 | AweSun Power | 58 | 5.0★ (15) | Downers Grove, 12 mi away | 24/7 | — |
| 8 | Tron Solar | 57 | 4.8★ (989) | Vernon Hills, 32 mi away | — | Most reviews |
| 9 | Smart Sky Solar | 57 | 4.9★ (46) | Schaumburg, 19 mi away | Sat · Sun · Evenings | — |
| 10 | Mr. Electric of Greater Naperville | 57 | 4.8★ (185) | Crest Hill, 7 mi away | 24/7 | — |
The 139 best solar installers in Naperville, ranked
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.
Based in Cicero, 13 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 41 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Willowbrook, 11 mi away
60/100CR ScoreRanked #3 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 Bensenville, 17 mi away
59/100CR ScoreRanked #4 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 Darien, 1 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 10 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#6 Sunrun Solar
Based in Des Plaines, 20 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.1★ from 822 Google reviews, listed on Google as “Solar energy company”.
- 4.1★ from 822 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 2291 & 2309 S Mt Prospect Rd, Des Plaines, IL 60018
#7 AweSun Power
Based in Downers Grove, 12 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#8 Tron Solar
Based in Vernon Hills, 32 mi away
57/100CR ScoreRanked #8 because of its Google rating and review volume: 4.8★ from 989 Google reviews, the most in Naperville.
- 4.8★ from 989 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 950 Corporate Woods Pkwy, Vernon Hills, IL 60061
Based in Schaumburg, 19 mi away
57/100CR ScoreRanked #9 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 Crest Hill, 7 mi away
57/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 185 Google reviews.
- 4.8★ from 185 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Bolingbrook, 6 mi away
56/100CR ScoreRanked #11 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
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 498 W Boughton Rd, Bolingbrook, IL 60440
Based in Montgomery, 19 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Oak Brook, 11 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 107 Google reviews, listed on Google as “Solar energy company”.
- 4.8★ from 107 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 1111 W 22nd St suite 240, Oak Brook, IL 60523
Based in Elmhurst, 11 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 31 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 31 Google reviews
- Hours
- Mon 9 AM–6 PM · Tue–Fri 9 AM–8 PM · Sat 9 AM–6 PM · Sun closed
- Address
- 1 Mid America Plaza 3rd Floor, Oakbrook Terrace, IL 60181
#15 GreenGrids
Based in Shorewood, 21 mi away
56/100CR ScoreRanked #15 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
#16 WindSoleil
Based in Chicago, 24 mi away
56/100CR ScoreRanked #16 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
Based in Franklin Park, 18 mi away
56/100CR ScoreRanked #17 because of its Google rating and review volume: 5.0★ from 134 Google reviews.
- 5.0★ from 134 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9230 Grand Ave, Franklin Park, IL 60131
#18 Triumph Solar
Based in Tinley Park, 23 mi away
56/100CR ScoreRanked #18 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
#19 Certasun
Based in Buffalo Grove, 29 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 306 Google reviews, listed on Google as “Solar energy company”.
- 4.8★ from 306 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 1582 Barclay Blvd, Buffalo Grove, IL 60089
#20 GoSolar
Based in Cicero, 14 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 25 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 9 AM–5 PM · Sun closed
Based in Montgomery, 10 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 17 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun closed
#22 Reficiency Solar
Based in Lisle, 4 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 37 Google reviews, listed on Google as “Solar energy company”.
- 4.7★ from 37 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 4513 Lincoln Ave # 110, Lisle, IL 60532
Based in Homer Glen, 16 mi away
55/100CR ScoreRanked #23 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 Skokie, 26 mi away
55/100CR ScoreRanked #24 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
#25 Volt Home Pros
Based in Frankfort, 26 mi away
55/100CR ScoreRanked #25 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
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 139 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | 1Earth Solar | 55 | 5.0★ (13) | 19 mi |
| 27 | Technique Tinting | 55 | 4.8★ (45) | 33 mi |
| 28 | Grand Solar & Environmental | 55 | 5.0★ (8) | 13 mi |
| 29 | Semper Solr | 55 | 4.8★ (99) | 20 mi |
| 30 | Priority Solar Installation | 55 | 4.9★ (61) | 30 mi |
| 31 | Neighborhood Electric Inc | 55 | 4.9★ (98) | 7 mi |
| 32 | Adams | 55 | 4.8★ (379) | 31 mi |
| 33 | PB Solar Panel Installer | 54 | 5.0★ (60) | 32 mi |
| 34 | The Solar Shop | 54 | 5.0★ (5) | In Naperville |
| 35 | Atlas Solar Advisors | 54 | 5.0★ (18) | 27 mi |
| 36 | My Window Washing and Gutter Cleaning | 54 | 4.9★ (216) | 10 mi |
| 37 | Solar Services | 54 | 4.9★ (11) | 8 mi |
| 38 | RxSun | 54 | 4.8★ (121) | 26 mi |
| 39 | SunPower® | 54 | 4.1★ (451) | 32 mi |
| 40 | Greencore Solar, Inc. | 54 | 5.0★ (7) | 16 mi |
| 41 | Green Home Makeover | 54 | 4.6★ (47) | 11 mi |
| 42 | Solar Professionals of Illinois | 54 | 4.8★ (24) | 31 mi |
| 43 | T&J Prestige | 54 | 4.9★ (38) | In Naperville |
| 44 | Ilumen Solar | 54 | 4.9★ (78) | 28 mi |
| 45 | Solar Power Midwest LLC | 53 | 4.2★ (23) | 15 mi |
| 46 | Windfree Solar Co | 53 | 4.6★ (107) | 24 mi |
| 47 | Safeguard Solar LLC | 53 | 5.0★ (15) | 6 mi |
| 48 | Aeos Energy | 53 | 4.3★ (18) | 16 mi |
| 49 | My Window Washing | 53 | 4.9★ (164) | 13 mi |
| 50 | FreeWorld Electric & Solar | 53 | 4.9★ (58) | 26 mi |
Also serving Naperville
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 |
|---|---|---|
| AA-Electric Company | 5.0★ (5) | In Naperville |
| ACSS Energy | 5.0★ (2) | 9 mi |
| All Energy Solar | 5.0★ (1) | 7 mi |
| Continental Energy Solutions LLC | 5.0★ (2) | 12 mi |
| EcoGen America | In Naperville | |
| Energy Efficient Building Systems By Solarcrete | 5.0★ (2) | 18 mi |
| Evo Energy | 5.0★ (2) | 12 mi |
| Geothermal Energy Solutions, Inc. | 4.5★ (2) | 29 mi |
| Gizmo Home Craft | 4.5★ (16) | In Naperville |
| Guardian Electrical | 4.6★ (10) | In Naperville |
| Illinois Shines | In Naperville | |
| Mammoth Roofing and Solar, Alsip, IL | 4.0★ (2) | 22 mi |
| ProWash | 5.0★ (2) | 18 mi |
| Solar Service Solutions LLC | 5.0★ (2) | 24 mi |
| Solar SmartRoof by Powur | 5.0★ (2) | 20 mi |
| Solar with Jason | 5.0★ (1) | 9 mi |
| Sunrun south chicago solutions | 1.0★ (2) | 23 mi |
| TruLight-Solar | 3.0★ (2) | 24 mi |
| WCP Solar | In Naperville | |
| WSP Solaris VC | In Naperville |
How much do solar installers cost in Naperville?
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 Naperville solar installers
We scored 139 Naperville 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 Naperville 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 |
Solar installers in Naperville: frequently asked questions
Who is the best solar installer in Naperville?
By CR Score, the highest-ranked solar installer in Naperville, IL is E. Scott Ostrowski: Awesome Options for Awesome People with a CR Score of 62/100. It has 5.0★ from 48 Google reviews. It is open 24/7. Solar & Energy Experts LLC (#2) and SUNRISE SOLAR (#3) follow. We ranked 139 solar installers on ten factors, last updated October 22, 2026.
How many solar installers are there in Naperville?
ContractorsRanked ranks 139 solar installers serving Naperville, IL. 3 of them are based in Naperville; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which solar installers in Naperville are open 24/7?
16 ranked solar installers in Naperville post 24/7 hours. The highest-ranked are E. Scott Ostrowski: Awesome Options for Awesome People (#1), Solar & Energy Experts LLC (#2) and Ananta Energy Source (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which solar installers in Naperville work on weekends?
86 of 139 ranked solar installers post Saturday hours and 32 post Sunday hours. The highest-ranked open Saturdays are E. Scott Ostrowski: Awesome Options for Awesome People (#1), Solar & Energy Experts LLC (#2) and SUNRISE SOLAR (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does solar panel installation cost in Naperville?
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 Naperville solar installers have?
The median Google rating among 139 rated solar installers in Naperville is 4.9★, with a median of 22 reviews. Tron Solar has the most, 989 reviews, and ranks #8. 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do solar installers outside Naperville count in this ranking?
Yes, if they are within 40 mi of the Naperville 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 Naperville
- October 2026: CR Scores recalculated for 139 solar installers serving Naperville.
- October 2026: 1 duplicate listing merged.
More solar installers and Naperville pages
Solar installers near Naperville
- Solar installers in Warrenville, IL139 ranked
- Solar installers in Lisle, IL138 ranked
- Solar installers in Winfield, IL141 ranked
- Solar installers in Woodridge, IL136 ranked
- Solar installers in Wheaton, IL140 ranked
- Solar installers in Downers Grove, IL140 ranked
- Solar installers in Bolingbrook, IL136 ranked
- Solar installers in West Chicago, IL142 ranked
- Solar installers in Glen Ellyn, IL140 ranked
- Solar installers in Carol Stream, IL143 ranked
Other trades in Naperville
- Roofers in Naperville1987 ranked
- Plumbers in Naperville944 ranked
- Electricians in Naperville878 ranked
- HVAC contractors in Naperville1509 ranked
- General contractors in Naperville1343 ranked
- Painters in Naperville498 ranked
- Landscapers in Naperville480 ranked
- Handymen in Naperville185 ranked
- Kitchen remodelers in Naperville883 ranked
- Bathroom remodelers in Naperville891 ranked
- Flooring contractors in Naperville758 ranked
- Tile installers in Naperville143 ranked
- Drywall contractors in Naperville35 ranked
- Concrete contractors in Naperville544 ranked
- Fence contractors in Naperville204 ranked
- Deck builders in Naperville361 ranked
- Siding contractors in Naperville998 ranked
- Window installers in Naperville975 ranked
- Gutter installers in Naperville470 ranked
- Insulation contractors in Naperville113 ranked
- Garage door repair companies in Naperville236 ranked
- Foundation repair companies in Naperville214 ranked
- Tree services in Naperville448 ranked
- Masonry contractors in Naperville531 ranked
- Water damage restoration companies in Naperville950 ranked
- Home builders in Naperville593 ranked
- Demolition contractors in Naperville127 ranked
- All contractors in Naperville