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Best Solar Installers in Wheaton, IL (2026)

141 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Wheaton: Solar & Energy Experts LLC, CR Score 88/100; 5.0★ from 41 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): E. Scott Ostrowski: Awesome Options for Awesome People, posts 24/7 hours; ranked #2 of 141.

  3. 18

    Most-reviewed: Tron Solar, 989 Google reviews at 4.8★, the most of 141 ranked; ranked #18.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

141 Wheaton solar installers are ranked here by CR Score, from 8 published factors. 16 are open 24/7, 87 open Saturdays and 33 open Sundays, based on posted hours. The median Google rating is 4.9★ across 141 rated businesses.

Most of this list also appears on the Solar installers in West Town ranking. See Solar installers in West Town

Top 10 solar installers in Wheaton at a glance

Top 10 solar installers in Wheaton at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Solar & Energy Experts LLC885.0★ (41)Cicero, 8 mi away24/7Overall
2E. Scott Ostrowski: Awesome Options for Awesome People875.0★ (48)Naperville, 14 mi away24/7Emergencies
3Ananta Energy Source855.0★ (10)Darien, 6 mi away24/7—
4Mr. Electric of Greater Naperville854.8★ (185)Crest Hill, 3 mi away24/7—
5AweSun Power845.0★ (15)Downers Grove, 14 mi away24/7—
6JD Pro Electric Inc845.0★ (134)Franklin Park, 14 mi away24/7—
7Smart Sky Solar844.9★ (46)Schaumburg, 14 mi awaySat · Sun · Evenings—
8Sunrun Solar834.1★ (822)Des Plaines, 14 mi awaySat · Sun—
9SUNRISE SOLAR834.9★ (173)Willowbrook, 12 mi awaySat—
10Solar by Dave Stanton835.0★ (5)Bolingbrook, 11 mi away24/7—

The 141 best solar installers in Wheaton, 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.

  7. #7 Smart Sky Solar

    Based in Schaumburg, 14 mi away

    84/100CR Score

    Ranked #7 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
    View profile for Smart Sky Solar(224) 219-0544

  8. #8 Sunrun Solar

    Based in Des Plaines, 14 mi away

    83/100CR Score

    Ranked #8 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
    View profile for Sunrun Solar(833) 324-5886

  9. #9 SUNRISE SOLAR

    Based in Willowbrook, 12 mi away

    83/100CR Score

    Ranked #9 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
    View profile for SUNRISE SOLAR(800) 674-3587

  11. #11 Kapital Electric, Inc.

    Based in Bensenville, 11 mi away

    82/100CR Score

    Ranked #11 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
    View profile for Kapital Electric, Inc.(630) 833-2389

  13. #13 Adams

    Based in Morris, 37 mi away

    81/100CR Score

    Ranked #13 because of its Google rating and availability: 4.8★ from 379 Google reviews, open 24/7.

    • 4.8★ from 379 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1299 Leah Rd Suite A, Morris, IL 60450
    View profile for Adams(815) 200-1968

  15. #15 Atlas Solar Advisors

    Based in Chicago, 22 mi away

    80/100CR Score

    Ranked #15 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
    View profile for Atlas Solar Advisors(847) 773-7555

  17. #17 GoSolar

    Based in Cicero, 8 mi away

    80/100CR Score

    Ranked #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
    View profile for GoSolar(847) 881-3919

  18. #18 Tron Solar

    Based in Vernon Hills, 26 mi away

    80/100CR Score

    Ranked #18 because of its Google rating and review volume: 4.8★ from 989 Google reviews, the most Google reviews on this list (989).

    • 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
    View profile for Tron Solar(800) 484-8766

  20. #20 GreenGrids

    Based in Shorewood, 27 mi away

    80/100CR Score

    Ranked #20 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
    View profile for GreenGrids(815) 325-3892

  21. #21 WindSoleil

    Based in Chicago, 20 mi away

    80/100CR Score

    Ranked #21 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
    View profile for WindSoleil(224) 307-4057

  22. #22 Technique Tinting

    Based in Crystal Lake, 28 mi away

    79/100CR Score

    Ranked #22 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
    View profile for Technique Tinting(224) 358-2293

  25. #25 1Earth Solar

    Based in Joliet, 24 mi away

    79/100CR Score

    Ranked #25 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
    View profile for 1Earth Solar(844) 803-2784

How much do solar installers cost in Wheaton?

Typical prices in USD, adjusted for Illinois with a published regional index. Each row names its basis and month.

How much do solar installers cost in Wheaton?
JobLowTypicalHighBasisChecked
Solar panel installation$26,020$29,430$32,010Per 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 Wheaton solar installers

We scored 141 Wheaton 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Wheaton data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Solar installers in Wheaton: frequently asked questions

Who is the best solar installer in Wheaton?

By CR Score, the highest-ranked solar installer in Wheaton, IL is Solar & Energy Experts LLC with a CR Score of 88/100. It has 5.0★ from 41 Google reviews. It is open 24/7. E. Scott Ostrowski: Awesome Options for Awesome People (#2) and Ananta Energy Source (#3) follow. We ranked 141 solar installers on 8 factors, last updated October 22, 2026.

Which solar installers in Wheaton are open 24/7?

16 ranked solar installers in Wheaton 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 (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which solar installers in Wheaton work on weekends?

87 of 141 ranked solar installers post Saturday hours and 33 post Sunday hours. The highest-ranked open Saturdays are Solar & Energy Experts LLC (#1), E. Scott Ostrowski: Awesome Options for Awesome People (#2) and Ananta Energy Source (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in Wheaton?

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 Wheaton solar installers have?

The median Google rating among 141 rated solar installers in Wheaton is 4.9★, with a median of 22 reviews. Tron Solar has the most, 989 reviews, and ranks #18. 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 Wheaton count in this ranking?

Yes, if they are within 40 mi of the Wheaton 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.

Can solar installers pay to rank higher on ContractorsRanked?

No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.

Update log for Wheaton

  1. October 2026: CR Scores recalculated for 141 solar installers serving Wheaton.
  2. October 2026: 2 duplicate listings merged.

More solar installers and Wheaton pages

Other trades in Wheaton