60/100CR Score
Ranked #1 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
Best Solar Installers in Warrenville, IL (2026)
139 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Warrenville: Solar & Energy Experts LLC, CR Score 60/100; 5.0★ from 41 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): E. Scott Ostrowski: Awesome Options for Awesome People, posts 24/7 hours; ranked #2 of 139.
- 7
Most-reviewed: Tron Solar, 989 Google reviews at 4.8★, the most of 139 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
139 Warrenville 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 Warrenville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Solar & Energy Experts LLC | 60 | 5.0★ (41) | Cicero, 12 mi away | 24/7 | Overall |
| 2 | E. Scott Ostrowski: Awesome Options for Awesome People | 60 | 5.0★ (48) | Naperville, 15 mi away | 24/7 | Emergencies |
| 3 | SUNRISE SOLAR | 59 | 4.9★ (173) | Willowbrook, 13 mi away | Sat | — |
| 4 | Kapital Electric, Inc. | 59 | 4.8★ (715) | Bensenville, 16 mi away | — | — |
| 5 | Sunrun Solar | 59 | 4.1★ (822) | Des Plaines, 19 mi away | Sat · Sun | — |
| 6 | Ananta Energy Source | 58 | 5.0★ (10) | Darien, 2 mi away | 24/7 | — |
| 7 | Tron Solar | 58 | 4.8★ (989) | Vernon Hills, 30 mi away | — | Most reviews |
| 8 | Smart Sky Solar | 57 | 4.9★ (46) | Schaumburg, 18 mi away | Sat · Sun · Evenings | — |
| 9 | Mr. Electric of Greater Naperville | 57 | 4.8★ (185) | Crest Hill, 5 mi away | 24/7 | — |
| 10 | AweSun Power | 57 | 5.0★ (15) | Downers Grove, 15 mi away | 24/7 | — |
The 139 best solar installers in Warrenville, 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 Naperville, 15 mi away
60/100CR ScoreRanked #2 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
Based in Willowbrook, 13 mi away
59/100CR 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, 16 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
#5 Sunrun Solar
Based in Des Plaines, 19 mi away
59/100CR ScoreRanked #5 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
Based in Darien, 2 mi away
58/100CR ScoreRanked #6 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
#7 Tron Solar
Based in Vernon Hills, 30 mi away
58/100CR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 989 Google reviews, the most in Warrenville.
- 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, 18 mi away
57/100CR ScoreRanked #8 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, 5 mi away
57/100CR ScoreRanked #9 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
#10 AweSun Power
Based in Downers Grove, 15 mi away
57/100CR ScoreRanked #10 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
Based in Oak Brook, 12 mi away
56/100CR ScoreRanked #11 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 Bolingbrook, 9 mi away
56/100CR ScoreRanked #12 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 Elmhurst, 11 mi away
56/100CR ScoreRanked #13 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
Based in Montgomery, 22 mi away
56/100CR ScoreRanked #14 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
#15 Certasun
Based in Buffalo Grove, 28 mi away
56/100CR ScoreRanked #15 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
Based in Franklin Park, 18 mi away
56/100CR ScoreRanked #16 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
#17 GoSolar
Based in Cicero, 13 mi away
56/100CR ScoreRanked #17 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
#18 WindSoleil
Based in Chicago, 24 mi away
56/100CR ScoreRanked #18 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
#19 GreenGrids
Based in Shorewood, 23 mi away
55/100CR ScoreRanked #19 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 Crystal Lake, 30 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Solar energy company”.
- 4.8★ from 45 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 605 E Terra Cotta Ave unit A, Crystal Lake, IL 60014
#21 Triumph Solar
Based in Tinley Park, 25 mi away
55/100CR ScoreRanked #21 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, 10 mi away
55/100CR ScoreRanked #22 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
Based in West Chicago, 4 mi away
55/100CR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 98 Google reviews.
- 4.9★ from 98 Google reviews
- Hours
- Mon–Thu 7 AM–5:30 PM · Fri–Sun 7 AM–3:30 PM
- Address
- 245 W Roosevelt Rd Bldg. 2 Ste. 13, West Chicago, IL 60185
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 Semper Solr
Based in Rolling Meadows, 19 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 99 Google reviews, listed on Google as “Solar energy company”.
- 4.8★ from 99 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 3701 W Algonquin Rd Suite 1020, Rolling Meadows, IL 60008
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 | Reficiency Solar | 55 | 4.7★ (37) | 5 mi |
| 27 | PB Solar Panel Installer | 55 | 5.0★ (60) | 31 mi |
| 28 | Grand Solar & Environmental | 55 | 5.0★ (8) | 14 mi |
| 29 | 1Earth Solar | 54 | 5.0★ (13) | 21 mi |
| 30 | Priority Solar Installation | 54 | 4.9★ (61) | 31 mi |
| 31 | Palos Solar Panel Installation | 54 | 5.0★ (22) | 18 mi |
| 32 | Volt Home Pros | 54 | 4.9★ (62) | 29 mi |
| 33 | Adams | 54 | 4.8★ (379) | 33 mi |
| 34 | Solar Services | 54 | 4.9★ (11) | 7 mi |
| 35 | SunPower® | 54 | 4.1★ (451) | 31 mi |
| 36 | Atlas Solar Advisors | 54 | 5.0★ (18) | 27 mi |
| 37 | Greencore Solar, Inc. | 54 | 5.0★ (7) | 16 mi |
| 38 | RxSun | 54 | 4.8★ (121) | 27 mi |
| 39 | My Window Washing and Gutter Cleaning | 54 | 4.9★ (216) | 11 mi |
| 40 | Ilumen Solar | 54 | 4.9★ (78) | 26 mi |
| 41 | Green Home Makeover | 54 | 4.6★ (47) | 13 mi |
| 42 | Solar Professionals of Illinois | 53 | 4.8★ (24) | 33 mi |
| 43 | My Window Washing | 53 | 4.9★ (164) | 11 mi |
| 44 | Windfree Solar Co | 53 | 4.6★ (107) | 24 mi |
| 45 | Aeos Energy | 53 | 4.3★ (18) | 16 mi |
| 46 | Safeguard Solar LLC | 53 | 5.0★ (15) | 7 mi |
| 47 | Solar Power Midwest LLC | 53 | 4.2★ (23) | 17 mi |
| 48 | Global Adjusting & Construction | 53 | 4.9★ (178) | 13 mi |
| 49 | The Solar Shop | 53 | 5.0★ (5) | 9 mi |
| 50 | FreeWorld Electric & Solar | 53 | 4.9★ (58) | 26 mi |
Also serving Warrenville
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 | 4.5★ (32) | In Warrenville |
| ACSS Energy | 5.0★ (2) | 10 mi |
| AJA Energies | 4.0★ (1) | 13 mi |
| All Energy Solar | 5.0★ (1) | 5 mi |
| Carlson Solar Energy | 5.0★ (1) | 11 mi |
| Continental Energy Solutions LLC | 5.0★ (2) | 12 mi |
| Energy Efficient Building Systems By Solarcrete | 5.0★ (2) | 19 mi |
| Evo Energy | 5.0★ (2) | 15 mi |
| Geothermal Energy Solutions, Inc. | 4.5★ (2) | 28 mi |
| Global SunPower | 1.0★ (1) | 13 mi |
| JD Pro Electric INC | 5.0★ (1) | 15 mi |
| Mammoth Roofing and Solar, Alsip, IL | 4.0★ (2) | 24 mi |
| NXT Solar Solutions | 5.0★ (1) | 9 mi |
| ProWash | 5.0★ (2) | 21 mi |
| Solar Service Solutions LLC | 5.0★ (2) | 26 mi |
| Solar SmartRoof by Powur | 5.0★ (2) | 18 mi |
| Solar with Jason | 5.0★ (1) | 10 mi |
| Solarmark Energy Solutions | 5.0★ (1) | 7 mi |
| Sunrun south chicago solutions | 1.0★ (2) | 25 mi |
| TruLight-Solar | 3.0★ (2) | 25 mi |
How much do solar installers cost in Warrenville?
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 Warrenville solar installers
We scored 139 Warrenville 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 Warrenville 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 Warrenville: frequently asked questions
Who is the best solar installer in Warrenville?
By CR Score, the highest-ranked solar installer in Warrenville, IL is Solar & Energy Experts LLC with a CR Score of 60/100. It has 5.0★ from 41 Google reviews. It is open 24/7. E. Scott Ostrowski: Awesome Options for Awesome People (#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 Warrenville?
ContractorsRanked ranks 139 solar installers serving Warrenville, IL. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which solar installers in Warrenville are open 24/7?
16 ranked solar installers in Warrenville post 24/7 hours. The highest-ranked are Solar & Energy Experts LLC (#1), E. Scott Ostrowski: Awesome Options for Awesome People (#2) and Ananta Energy Source (#6). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which solar installers in Warrenville work on weekends?
86 of 139 ranked solar installers post Saturday hours and 32 post Sunday hours. The highest-ranked open Saturdays are Solar & Energy Experts LLC (#1), E. Scott Ostrowski: Awesome Options for Awesome People (#2) and SUNRISE SOLAR (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does solar panel installation cost in Warrenville?
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 Warrenville solar installers have?
The median Google rating among 139 rated solar installers in Warrenville is 4.9★, with a median of 23 reviews. Tron Solar has the most, 989 reviews, and ranks #7. 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 Warrenville count in this ranking?
Yes, if they are within 40 mi of the Warrenville 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 Warrenville
- October 2026: CR Scores recalculated for 139 solar installers serving Warrenville.
- October 2026: 1 duplicate listing merged.
More solar installers and Warrenville pages
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