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Best Solar Installers in Chesterfield, MO (2026)

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

The short answer

  1. 1

    Best overall in Chesterfield: Streib Company, CR Score 59/100; 4.9★ from 679 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Bates Electric, posts 24/7 hours; ranked #2 of 57.

  3. 2

    Most-reviewed: Bates Electric, 1,366 Google reviews at 4.8★, the most of 57 ranked; ranked #2.

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

57 Chesterfield solar installers are ranked here by CR Score, from ten published factors. 7 are open 24/7, 23 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.9★ across 57 rated businesses.

Top 10 solar installers in Chesterfield at a glance

Top 10 solar installers in Chesterfield at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Streib Company594.9★ (679)St. Louis, 13 mi away24/7Overall
2Bates Electric584.8★ (1,366)Arnold, 21 mi away24/7Emergencies, Most reviews
3SunSent Solar584.6★ (106)Saint Charles, 8 mi awaySat—
4StraightUp Solar574.9★ (128)St. Louis, 8 mi away——
5Ltd Solar Consulting and Roofing575.0★ (10)St. Louis, 17 mi away24/7—
6Shinnova Home + Solar575.0★ (30)Bridgeton, 9 mi awaySat · Evenings—
7Astrawatt Solar574.7★ (47)Olivette, 11 mi awaySat · Evenings—
8ARC - Solar Energy & Electric Services564.8★ (104)Saint Charles, 12 mi away——
9AMA ENERGY SOLUTIONS LLC564.0★ (8)Sappington, 15 mi away24/7—
10Solar Alliance Mission565.0★ (7)Saint Charles, 10 mi awaySat · Sun · Evenings—

The 57 best solar installers in Chesterfield, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in Chesterfield

    Based in St. Louis, 13 mi away

    59/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.9★ from 679 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 679 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9225 Watson Industrial Park, St. Louis, MO 63126
  2. Based in Arnold, 21 mi away

    58/100CR Score

    Ranked #2 because of its Google rating and review volume: 4.8★ from 1,366 Google reviews, the most in Chesterfield.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 1,366 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2006 Sierra Pkwy, Arnold, MO 63010
  3. Based in Saint Charles, 8 mi away

    58/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.6★ from 106 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 106 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 9 AM–5 PM · Sun closed
    Address
    1710 Scherer Pkwy, St Charles, MO 63303
  4. Based in St. Louis, 8 mi away

    57/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 128 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 128 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    11696 Lilburn Park Rd, St. Louis, MO 63146
  5. Based in Bridgeton, 9 mi away

    57/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 30 Google reviews
    Hours
    Mon–Fri 8:30 AM–7 PM · Sat 10 AM–4 PM · Sun closed
    Address
    13730 Shoreline Ct E, Earth City, MO 63045
  6. Based in Olivette, 11 mi away

    57/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.7★ from 47 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 47 Google reviews
    Hours
    Mon–Sat 7 AM–7 PM · Sun closed
    Address
    9647 Dielman Rock Island Industrl Dr, Olivette, MO 63132
  7. Based in Sappington, 15 mi away

    56/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.0★ from 8 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1 Concord Ln, Sappington, MO 63128
  8. Based in Saint Charles, 10 mi away

    56/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 7 Google reviews
    Hours
    Mon–Sun 9 AM–7 PM
    Address
    119 S Main St, St Charles, MO 63301
  9. Based in Saint Peters, 7 mi away

    55/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Roofing contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 12 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1236 Jungermann Rd D, St Peters, MO 63376
  10. Based in Ballwin, 11 mi away

    54/100CR Score

    Ranked #13 because of its Google rating and review volume: 4.9★ from 817 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 817 Google reviews
    Hours
    Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
    Address
    1758 Chase Dr, Fenton, MO 63026
  11. Based in Ballwin, 11 mi away

    54/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.6★ from 12 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 12 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 9 AM–2 PM · Sun closed
    Address
    1710 Fenpark Dr Suite 475, Fenton, MO 63026
  12. Based in St. Louis, 6 mi away

    54/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 15 Google reviews
    Hours
    Mon–Fri 8:30 AM–5:30 PM · Sat–Sun closed
    Address
    12747 Olive Blvd Suite 300, St. Louis, MO 63141
  13. Based in St. Louis, 7 mi away

    54/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.4★ from 32 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.4★ from 32 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    2055 Craigshire Dr, St. Louis, MO 63146
  14. Based in East Saint Louis, 18 mi away

    54/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Solar panel maintenance service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 4 Google reviews
    Hours
    Mon–Sun 9 AM–6 PM
  15. Based in Edwardsville, 35 mi away

    53/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 119 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 119 Google reviews
    Hours
    Mon–Fri 10 AM–8 PM · Sat–Sun closed
    Address
    2110 Troy Rd Suite B1, Edwardsville, IL 62025
  16. Based in Saint Charles, 13 mi away

    53/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Fri 8 AM–8 PM · Sat 8 AM–4 PM · Sun closed
    Address
    3569 New Town Lake Dr, St Charles, MO 63301
  17. Based in St. Louis, 15 mi away

    53/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.0★ from 20 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.0★ from 20 Google reviews
    Hours
    Mon–Fri 9 AM–7 PM · Sat 12 PM–4 PM · Sun closed
    Address
    5526 S Lindbergh Blvd, St. Louis, MO 63123
  18. Based in East Saint Louis, 22 mi away

    53/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.6★ from 77 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 77 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    11 Industrial Dr, Sauget, IL 62206
  19. Based in Florissant, 15 mi away

    53/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Sat 9 AM–7 PM · Sun closed
    Address
    907 Harbor Oaks Ct, Florissant, MO 63031
  20. Based in Kirkwood, 11 mi away

    53/100CR Score

    Ranked #23 because of its Google rating and review volume: 4.9★ from 381 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 381 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    101 W Argonne Dr #182, Kirkwood, MO 63122
  21. Based in Chesterfield

    53/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Roofing contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 14 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun closed
    Address
    145 Chesterfield Industrial Blvd, Chesterfield, MO 63005
  22. Based in Creve Coeur, 7 mi away

    53/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    331 N New Ballas Rd #410511, Creve Coeur, MO 63141

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 57 ranked solar installers here; the rest are on their profiles.

solar installers in Chesterfield, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Solar Pals534.7★ (15)14 mi
27RoofWorx - Wentzville525.0★ (61)19 mi
28Exceptional Energy Solutions525.0★ (17)21 mi
29AKA Solar LLC525.0★ (5)10 mi
30Solar Luxury LLC515.0★ (11)10 mi
31ARF Solar LLC514.9★ (28)32 mi
32B-Raines Slate & Solar Roofing Co.514.4★ (19)13 mi
33Valoa Solar513.7★ (3)10 mi
34Constructors 911514.9★ (158)15 mi
35Brda Electric504.9★ (154)17 mi
36eEquals Solar504.2★ (140)35 mi
37Statewide Solar502.3★ (3)20 mi
38RoofTek504.9★ (28)11 mi
39Sustainable Solar495.0★ (7)29 mi
40Legacy Farm Solar492.6★ (10)7 mi
41SunSent Solar494.7★ (9)33 mi
42LVG Electrical & Communications494.9★ (75)18 mi
43ECOcentrix485.0★ (60)20 mi
44Greenergy Solar and Generator482.7★ (7)12 mi
45Solarize485.0★ (5)31 mi
46RENAISSANCE Historic Exteriors484.8★ (39)12 mi
47Skyline Roofing & Solar484.8★ (19)21 mi
48five stars electric and solar LLC483.2★ (11)18 mi
49Pyramid Electrical Contractors, Inc.473.5★ (24)33 mi
50Exceptional Electric465.0★ (16)21 mi

Also serving Chesterfield

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.

Unranked solar installers serving Chesterfield
BusinessGoogle ratingDistance
American Patriot Solar5.0★ (1)20 mi
Azimuth Energy3.0★ (2)13 mi
Cardinal Roofing & Solar Solutions1.0★ (1)15 mi
Energy Pro-USAIn Chesterfield
Gardner Capital1.0★ (1)13 mi
Go Solar St. LouisIn Chesterfield
Gorilla Roofing Chesterfield4.9★ (144)In Chesterfield
GoSolar1.0★ (1)In Chesterfield
Grandinetti Services LLC5.0★ (2)8 mi
Lafser & Associates, Inc.5.0★ (1)17 mi
Midamerica Solar LLC4.0★ (1)20 mi
Missouri Solar ApplicationsIn Chesterfield
Premier Energy Group5.0★ (1)35 mi
Premier Power LLC5.0★ (11)In Chesterfield
Roof Experts5.0★ (1)7 mi
Solar City STL Illinois5.0★ (1)33 mi
SolarIsland Energy5.0★ (1)18 mi
STL Solar Plus5.0★ (1)13 mi
The Power Company1.0★ (1)32 mi
Veregy, LLC5.0★ (4)In Chesterfield

How much do solar installers cost in Chesterfield?

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

How much do solar installers cost in Chesterfield?
JobLowTypicalHighBasisChecked
Solar panel installation$26,570$30,060$32,700Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.97 West North Central factor (2025 Cost vs. Value Report)October 2026

How we ranked Chesterfield solar installers

We scored 57 Chesterfield 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Chesterfield data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Solar installers in Chesterfield: frequently asked questions

Who is the best solar installer in Chesterfield?

By CR Score, the highest-ranked solar installer in Chesterfield, MO is Streib Company with a CR Score of 59/100. It has 4.9★ from 679 Google reviews. It is open 24/7. Bates Electric (#2) and SunSent Solar (#3) follow. We ranked 57 solar installers on ten factors, last updated October 22, 2026.

How many solar installers are there in Chesterfield?

ContractorsRanked ranks 57 solar installers serving Chesterfield, MO. 1 of them is based in Chesterfield; 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 Chesterfield are open 24/7?

7 ranked solar installers in Chesterfield post 24/7 hours. The highest-ranked are Streib Company (#1), Bates Electric (#2) and Ltd Solar Consulting and Roofing (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which solar installers in Chesterfield work on weekends?

23 of 57 ranked solar installers post Saturday hours and 8 post Sunday hours. The highest-ranked open Saturdays are Streib Company (#1), Bates Electric (#2) and SunSent Solar (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in Chesterfield?

Solar panel installation typically costs $26,570 to $32,700, with $30,060 typical (Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.97 West North Central factor (2025 Cost vs. Value Report)). The range is adjusted for Missouri. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Chesterfield solar installers have?

The median Google rating among 57 rated solar installers in Chesterfield is 4.9★, with a median of 15 reviews. Bates Electric has the most, 1,366 reviews, and ranks #2. 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 Chesterfield count in this ranking?

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

  1. October 2026: CR Scores recalculated for 57 solar installers serving Chesterfield.

More solar installers and Chesterfield pages

Other trades in Chesterfield