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ContractorsRanked

Best Solar Installers in Chatham, IL (2026)

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

The short answer

  1. 1

    Best overall in Chatham: E. Scott Ostrowski: Awesome Options for Awesome People, CR Score 87/100; 5.0★ from 48 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Solar & Energy Experts LLC, posts 24/7 hours; ranked #2 of 128.

  3. 25

    Most-reviewed: Tron Solar, 989 Google reviews at 4.8★, the most of 128 ranked; ranked #25.

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

128 Chatham solar installers are ranked here by CR Score, from 8 published factors. 12 are open 24/7, 77 open Saturdays and 26 open Sundays, based on posted hours. The median Google rating is 4.9★ across 128 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 Chatham at a glance

Top 10 solar installers in Chatham at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1E. Scott Ostrowski: Awesome Options for Awesome People875.0★ (48)Naperville, 17 mi away24/7Overall
2Solar & Energy Experts LLC855.0★ (41)Cicero, 26 mi away24/7Emergencies
3AweSun Power845.0★ (15)Downers Grove, 17 mi away24/7—
4JD Pro Electric Inc835.0★ (134)Franklin Park, 18 mi away24/7—
5Priority Solar Installation834.9★ (61)Chicago, 2 mi awaySat · Evenings—
6SUNRISE SOLAR824.9★ (173)Willowbrook, 17 mi awaySat—
7Sunrun Solar824.1★ (822)Des Plaines, 24 mi awaySat · Sun—
8WindSoleil814.9★ (72)Chicago, 11 mi awaySat—
9Ananta Energy Source815.0★ (10)Darien, 28 mi away24/7—
10Solar Professionals of Illinois814.8★ (24)Richton Park, 19 mi awaySat · Sun · Evenings—

The 128 best solar installers in Chatham, 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.

  6. #6 SUNRISE SOLAR

    Based in Willowbrook, 17 mi away

    82/100CR Score

    Ranked #6 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

  7. #7 Sunrun Solar

    Based in Des Plaines, 24 mi away

    82/100CR Score

    Ranked #7 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

  8. #8 WindSoleil

    Based in Chicago, 11 mi away

    81/100CR Score

    Ranked #8 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

  11. #11 Atlas Solar Advisors

    Based in Chicago, 18 mi away

    81/100CR Score

    Ranked #11 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

  13. #13 Smart Sky Solar

    Based in Schaumburg, 33 mi away

    80/100CR Score

    Ranked #13 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

  14. #14 Triumph Solar

    Based in Tinley Park, 17 mi away

    80/100CR Score

    Ranked #14 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
    View profile for Triumph Solar(708) 498-3249

  18. #18 Kapital Electric, Inc.

    Based in Bensenville, 25 mi away

    80/100CR Score

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

  21. #21 Volt Home Pros

    Based in Frankfort, 19 mi away

    79/100CR Score

    Ranked #21 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
    View profile for Volt Home Pros(708) 629-5564

  24. #24 GreenGrids

    Based in Shorewood, 36 mi away

    78/100CR Score

    Ranked #24 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

  25. #25 Tron Solar

    Based in Vernon Hills, 37 mi away

    78/100CR Score

    Ranked #25 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

How much do solar installers cost in Chatham?

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 Chatham?
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 Chatham solar installers

We scored 128 Chatham 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 Chatham 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 Chatham: frequently asked questions

Who is the best solar installer in Chatham?

By CR Score, the highest-ranked solar installer in Chatham, IL is E. Scott Ostrowski: Awesome Options for Awesome People with a CR Score of 87/100. It has 5.0★ from 48 Google reviews. It is open 24/7. Solar & Energy Experts LLC (#2) and AweSun Power (#3) follow. We ranked 128 solar installers on 8 factors, last updated October 22, 2026.

Which solar installers in Chatham are open 24/7?

12 ranked solar installers in Chatham post 24/7 hours. The highest-ranked are E. Scott Ostrowski: Awesome Options for Awesome People (#1), Solar & Energy Experts LLC (#2) and AweSun Power (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which solar installers in Chatham work on weekends?

77 of 128 ranked solar installers post Saturday hours and 26 post Sunday hours. The highest-ranked open Saturdays are E. Scott Ostrowski: Awesome Options for Awesome People (#1), Solar & Energy Experts LLC (#2) and AweSun Power (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in Chatham?

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 Chatham solar installers have?

The median Google rating among 128 rated solar installers in Chatham is 4.9★, with a median of 21 reviews. Tron Solar has the most, 989 reviews, and ranks #25. 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 Chatham count in this ranking?

Yes, if they are within 40 mi of the Chatham 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 Chatham

  1. October 2026: CR Scores recalculated for 128 solar installers serving Chatham.
  2. October 2026: 1 duplicate listing merged.

More solar installers and Chatham pages

Other trades in Chatham