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Best Solar Installers in Thornton, CO (2026)

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

The short answer

  1. 1

    Best overall in Thornton: Elite Roofing & Solar, CR Score 61/100; 4.9★ from 627 Google reviews; open 24/7.

  2. 7

    Best for emergencies (open 24/7): Controlling Systems Heating, AC, and Electrical Repair, posts 24/7 hours; ranked #7 of 213.

  3. 6

    Most-reviewed: ION Solar - Colorado, 1,652 Google reviews at 4.0★, the most of 213 ranked; ranked #6.

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

213 Thornton solar installers are ranked here by CR Score, from ten published factors. 19 are open 24/7, 110 open Saturdays and 44 open Sundays, based on posted hours. The median Google rating is 4.8★ across 213 rated businesses.

Top 10 solar installers in Thornton at a glance

Top 10 solar installers in Thornton at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Elite Roofing & Solar614.9★ (627)Denver, 8 mi away24/7Overall
2Independent Power614.9★ (373)Boulder, 18 mi awaySat · Sun · Evenings—
3Solar RNR615.0★ (248)Denver, 6 mi awaySat—
4ARE Solar604.9★ (138)Denver, 12 mi awaySat · Sun—
5Raven Solar Services LLC.604.8★ (70)Northglenn, 3 mi awaySat · Sun—
6ION Solar - Colorado604.0★ (1,652)Denver, 9 mi awaySat · SunMost reviews
7Controlling Systems Heating, AC, and Electrical Repair604.9★ (565)Denver, 3 mi away24/7Emergencies
8Roper Roofing & Solar604.9★ (266)Wheat Ridge, 10 mi away24/7—
9Solar Power Pros594.8★ (235)Centennial, 20 mi awaySat · Sun · Evenings—
10Sunrun Solar594.1★ (773)Denver, 8 mi awaySat · Sun—

The 213 best solar installers in Thornton, 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.

  2. #2 Independent Power

    Based in Boulder, 18 mi away

    61/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.9★ from 373 Google reviews, listed on Google as “Solar energy company”.

    • 4.9★ from 373 Google reviews
    Hours
    Mon–Sun 7 AM–8 PM
    Address
    2830 Wilderness Pl Units A&B, Boulder, CO 80301
    View profile for Independent Power(303) 502-5402

  3. #3 Solar RNR

    Based in Denver, 6 mi away

    61/100CR Score

    Ranked #3 because of its Google rating and trade focus: 5.0★ from 248 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 248 Google reviews
    Hours
    Mon–Sat 8 AM–5 PM · Sun closed
    Address
    4771 Fox St, Denver, CO 80216
    View profile for Solar RNR(720) 410-5554

  4. #4 ARE Solar

    Based in Denver, 12 mi away

    60/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 138 Google reviews, listed on Google as “Solar energy company”.

    • 4.9★ from 138 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun 9 AM–5 PM
    Address
    1155 S Tejon St, Denver, CO 80223
    View profile for ARE Solar(720) 706-2773

  9. #9 Solar Power Pros

    Based in Centennial, 20 mi away

    59/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.8★ from 235 Google reviews, listed on Google as “Solar energy company”.

    • 4.8★ from 235 Google reviews
    Hours
    Mon 8 AM–7 PM · Tue–Sat 8 AM–8 PM · Sun 8 AM–5 PM
    Address
    7332 S Alton Way Ste 13K, Centennial, CO 80112
    View profile for Solar Power Pros(303) 797-6527

  10. #10 Sunrun Solar

    Based in Denver, 8 mi away

    59/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.1★ from 773 Google reviews, listed on Google as “Solar energy company”.

    • 4.1★ from 773 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    Address
    717 17th St #500, Denver, CO 80202
    View profile for Sunrun Solar(833) 324-5886

  11. #11 Smart Human

    Based in Brighton, 5 mi away

    59/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Solar energy company”.

    • 4.8★ from 25 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Smart Human(720) 807-4389

  12. #12 ARE Solar

    Based in Erie, 12 mi away

    59/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 67 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun 9 AM–5 PM
    Address
    388 Montgomery Dr, Erie, CO 80516
    View profile for ARE Solar(719) 212-2999

  14. #14 Detach Reset Solar

    Based in Centennial, 20 mi away

    59/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.8★ from 440 Google reviews, listed on Google as “Solar energy company”.

    • 4.8★ from 440 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 8 AM–4 PM · Sun closed
    Address
    7344 S Alton Way Building 8 Suite D, Centennial, CO 80112
    View profile for Detach Reset Solar(800) 833-7040

  15. #15 Best Roof and Solar

    Based in Golden, 13 mi away

    59/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 171 Google reviews, listed on Google as “Roofing contractor”.

    • 5.0★ from 171 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    14143 Denver W Pkwy Suite 112, Golden, CO 80401
    View profile for Best Roof and Solar(720) 445-3978

  16. #16 SunPower®

    Based in Denver, 8 mi away

    59/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.2★ from 952 Google reviews, listed on Google as “Solar energy company”.

    • 4.2★ from 952 Google reviews
    Hours
    Mon–Fri 7 AM–10 PM · Sat 8 AM–8 PM · Sun closed
    Address
    3980 Quebec St #120A, Denver, CO 80207
    View profile for SunPower®(800) 377-4480

  17. #17 Smart Wave Solar

    Based in Denver, 7 mi away

    59/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.7★ from 545 Google reviews, listed on Google as “Solar energy company”.

    • 4.7★ from 545 Google reviews
    Hours
    Mon–Fri 8 AM–3 PM · Sat–Sun closed
    Address
    4201 Madison St, Denver, CO 80216
    View profile for Smart Wave Solar(720) 547-3422

  19. #19 Namaste Solar

    Based in Denver, 10 mi away

    58/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 299 Google reviews, listed on Google as “Solar energy company”.

    • 4.9★ from 299 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    888 Federal Blvd, Denver, CO 80204
    View profile for Namaste Solar(303) 558-6159

  20. #20 Photon Brothers

    Based in Broomfield, 6 mi away

    58/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.7★ from 457 Google reviews, listed on Google as “Solar energy company”.

    • 4.7★ from 457 Google reviews
    Hours
    Mon–Fri 9 AM–4 PM · Sat–Sun closed
    Address
    7705 W 108th Ave Ste 100, Broomfield, CO 80021
    View profile for Photon Brothers(720) 370-3344

  21. #21 Seed Solar Denver

    Based in Denver, 13 mi away

    58/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.4★ from 60 Google reviews, listed on Google as “Solar energy company”.

    • 4.4★ from 60 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2133 S Bellaire St Unit 11, Denver, CO 80222
    View profile for Seed Solar Denver(720) 713-7695

  23. #23 Solar Wave

    Based in Denver, 8 mi away

    58/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 59 Google reviews
    Hours
    Mon–Fri 9 AM–7 PM · Sat 9 AM–6 PM · Sun closed
    Address
    2301 Blake St Suite 100, Denver, CO 80205
    View profile for Solar Wave(720) 730-4129

  24. #24 Upslope Solar

    Based in Denver, 8 mi away

    58/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Solar energy system service”.

    • 5.0★ from 57 Google reviews
    Hours
    Mon–Fri 9 AM–9 PM · Sat 9 AM–5 PM · Sun closed
    Address
    1312 17th St, Denver, CO 80202
    View profile for Upslope Solar(303) 223-2525

  25. #25 Dodge Key Replacement

    Based in Longmont, 24 mi away

    58/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.8★ from 134 Google reviews, listed on Google as “Solar energy company”.

    • 4.8★ from 134 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun 9 AM–5 PM
    Address
    1811 Hover St C, Longmont, CO 80501
    View profile for Dodge Key Replacement(303) 731-2069

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

solar installers in Thornton, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Solar-Estimate.org584.6★ (406)8 mi
27Apollo Solar Energy584.9★ (137)5 mi
28Colorado Energy Experts584.8★ (78)9 mi
29Empire Solar Group, LLC584.4★ (136)7 mi
30Glyde Solar574.2★ (329)5 mi
31Vanguard Solar Services575.0★ (84)14 mi
32Renewable Energy Advisors575.0★ (22)8 mi
33Interstate Electric and Solar574.9★ (161)20 mi
34Namaste Solar574.8★ (312)19 mi
35Sopris Solar564.6★ (60)8 mi
36Lifetime Roof & Solar - Denver565.0★ (438)8 mi
37Solar 4 Planet A564.9★ (72)20 mi
38Our World Energy, LLC564.4★ (186)4 mi
39Green Collar Crew565.0★ (24)9 mi
40Sun Nerds564.9★ (48)16 mi
41Core Roofing + Solar564.9★ (399)7 mi
42Blu Solar565.0★ (49)16 mi
43Somerville Solar LLC555.0★ (4)10 mi
44PRQ Exteriors554.9★ (846)16 mi
45Red Rock Roofing554.9★ (528)21 mi
46Premier Renewables554.6★ (11)10 mi
47Elevated Independent Energy554.8★ (37)3 mi
48Peak Roofing and Solar555.0★ (59)23 mi
49Off Grid Designs555.0★ (15)9 mi
50Columbine Roofing & Solar554.8★ (73)In Thornton

Also serving Thornton

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 Thornton
BusinessGoogle ratingDistance
A. Adkisson Electric5.0★ (2)38 mi
Access Solar Energy Inc5.0★ (2)15 mi
Advanced Electric Solutions Corp5.0★ (2)14 mi
Altitude Solar Power5.0★ (1)7 mi
Expert Energy Solutions Company1.0★ (2)19 mi
Hoss Electric Denver5.0★ (2)24 mi
Hyperion Solar Cleaning5.0★ (2)22 mi
Joe & Company - Residential Solar5.0★ (2)20 mi
Juwi Solar Inc5.0★ (2)18 mi
Radiant Engineering LLC5.0★ (2)12 mi
RV Solar Connection, llc5.0★ (2)6 mi
Salto Energy5.0★ (1)4 mi
Simply Efficient Solar & Wind5.0★ (2)32 mi
Skyview Solar1.0★ (2)8 mi
Solar Renewable Energy LLC5.0★ (1)8 mi
SolarHouse BannockCo5.0★ (2)9 mi
Sun Rise Solar3.0★ (2)35 mi
Tesla5.0★ (2)23 mi
Thor Electric LLC5.0★ (1)In Thornton
UpNext Solar5.0★ (2)12 mi

How much do solar installers cost in Thornton?

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

How much do solar installers cost in Thornton?
JobLowTypicalHighBasisChecked
Solar panel installation$25,190$28,490$30,990Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.92 Mountain factor (2025 Cost vs. Value Report)October 2026

How we ranked Thornton solar installers

We scored 213 Thornton 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 Thornton 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 Thornton: frequently asked questions

Who is the best solar installer in Thornton?

By CR Score, the highest-ranked solar installer in Thornton, CO is Elite Roofing & Solar with a CR Score of 61/100. It has 4.9★ from 627 Google reviews. It is open 24/7. Independent Power (#2) and Solar RNR (#3) follow. We ranked 213 solar installers on ten factors, last updated October 22, 2026.

How many solar installers are there in Thornton?

ContractorsRanked ranks 213 solar installers serving Thornton, CO. 1 of them is based in Thornton; 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 Thornton are open 24/7?

19 ranked solar installers in Thornton post 24/7 hours. The highest-ranked are Elite Roofing & Solar (#1), Controlling Systems Heating, AC, and Electrical Repair (#7) and Roper Roofing & Solar (#8). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which solar installers in Thornton work on weekends?

110 of 213 ranked solar installers post Saturday hours and 44 post Sunday hours. The highest-ranked open Saturdays are Elite Roofing & Solar (#1), Independent Power (#2) and Solar RNR (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in Thornton?

Solar panel installation typically costs $25,190 to $30,990, with $28,490 typical (Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.92 Mountain factor (2025 Cost vs. Value Report)). The range is adjusted for Colorado. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Thornton solar installers have?

The median Google rating among 213 rated solar installers in Thornton is 4.8★, with a median of 31 reviews. ION Solar - Colorado has the most, 1,652 reviews, and ranks #6. 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 Thornton count in this ranking?

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

  1. October 2026: CR Scores recalculated for 213 solar installers serving Thornton.
  2. October 2026: 1 duplicate listing merged.

More solar installers and Thornton pages

Other trades in Thornton