202 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Littleton: Solar Power Pros, CR Score 61/100; 4.8★ from 235 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Elite Roofing & Solar, posts 24/7 hours; ranked #5 of 202.
Most-reviewed: ION Solar - Colorado, 1,652 Google reviews at 4.0★, the most of 202 ranked; ranked #15.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
202 Littleton solar installers are ranked here by CR Score, from ten published factors. 18 are open 24/7, 107 open Saturdays and 42 open Sundays, based on posted hours. The median Google rating is 4.8★ across 202 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Solar Power Pros | 61 | 4.8★ (235) | Centennial, 8 mi away | Sat · Sun · Evenings | Overall |
| 2 | ARE Solar | 61 | 4.9★ (138) | Denver, 6 mi away | Sat · Sun | — |
| 3 | Detach Reset Solar | 61 | 4.8★ (440) | Centennial, 8 mi away | Sat | — |
| 4 | Solar Energy Partners | Colorado | 60 | 5.0★ (94) | Centennial, 7 mi away | Sat · Sun · Evenings | — |
| 5 | Elite Roofing & Solar | 60 | 4.9★ (627) | Denver, 15 mi away | 24/7 | Emergencies |
| 6 | Interstate Electric and Solar | 60 | 4.9★ (161) | Littleton | 24/7 | — |
| 7 | Solar RNR | 60 | 5.0★ (248) | Denver, 12 mi away | Sat | — |
| 8 | Independent Power - Denver | 59 | 5.0★ (55) | Denver, 7 mi away | Sat · Sun · Evenings | — |
| 9 | Seed Solar Denver | 59 | 4.4★ (60) | Denver, 6 mi away | 24/7 | — |
| 10 | Sunrun Solar | 59 | 4.1★ (773) | Denver, 9 mi away | Sat · Sun | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.8★ from 235 Google reviews, listed on Google as “Solar energy company”.
Based in Denver, 6 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 138 Google reviews, listed on Google as “Solar energy company”.
Based in Centennial, 8 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 440 Google reviews, listed on Google as “Solar energy company”.
Based in Centennial, 7 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 94 Google reviews, listed on Google as “Solar energy company”.
Based in Denver, 15 mi away
Ranked #5 because of its Google rating and review volume: 4.9★ from 627 Google reviews.
Based in Littleton
Ranked #6 because of its Google rating and trade focus: 4.9★ from 161 Google reviews, listed on Google as “Electrician”.
Based in Denver, 12 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 248 Google reviews, listed on Google as “Solar energy company”.
Based in Denver, 7 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 55 Google reviews, listed on Google as “Solar energy company”.
Based in Denver, 6 mi away
Ranked #9 because of its Google rating and trade focus: 4.4★ from 60 Google reviews, listed on Google as “Solar energy company”.
Based in Denver, 9 mi away
Ranked #10 because of its Google rating and trade focus: 4.1★ from 773 Google reviews, listed on Google as “Solar energy company”.
Based in Wheat Ridge, 13 mi away
Ranked #11 because of its Google rating and review volume: 4.9★ from 266 Google reviews.
Based in Boulder, 31 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 373 Google reviews, listed on Google as “Solar energy company”.
Based in Littleton
Ranked #13 because of its Google rating and trade focus: 4.9★ from 72 Google reviews, listed on Google as “Solar energy company”.
Based in Golden, 12 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 171 Google reviews, listed on Google as “Roofing contractor”.
Based in Denver, 15 mi away
Ranked #15 because of its Google rating and review volume: 4.0★ from 1,652 Google reviews, the most in Littleton.
Based in Denver, 8 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 299 Google reviews, listed on Google as “Solar energy company”.
Based in Lakewood, 10 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 84 Google reviews, listed on Google as “Solar energy company”.
Based in Denver, 13 mi away
Ranked #18 because of its Google rating and trade focus: 4.2★ from 952 Google reviews, listed on Google as “Solar energy company”.
Based in Denver, 12 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 545 Google reviews, listed on Google as “Solar energy company”.
Based in Highlands Ranch, 5 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Roofing contractor”.
Based in Denver, 3 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Solar energy company”.
Based in Denver, 15 mi away
Ranked #22 because of its Google rating and review volume: 4.9★ from 565 Google reviews.
Based in Denver, 10 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Solar energy system service”.
Based in Denver, 9 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 78 Google reviews, listed on Google as “Solar energy company”.
Based in Denver, 10 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Solar energy company”.
#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 202 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Smart Human | 57 | 4.8★ (25) | 17 mi |
| 27 | Solar-Estimate.org | 57 | 4.6★ (406) | 10 mi |
| 28 | Raven Solar Services LLC. | 57 | 4.8★ (70) | 20 mi |
| 29 | Renewable Energy Advisors | 57 | 5.0★ (22) | 10 mi |
| 30 | Sun Nerds | 57 | 4.9★ (48) | 10 mi |
| 31 | Empire Solar Group, LLC | 56 | 4.4★ (136) | 13 mi |
| 32 | ARE Solar | 56 | 5.0★ (67) | 29 mi |
| 33 | Photon Brothers | 56 | 4.7★ (457) | 20 mi |
| 34 | Energy Advantage Roofing & Solar | 56 | 4.7★ (279) | 15 mi |
| 35 | GoGo Solar LLC | 56 | 5.0★ (24) | 16 mi |
| 36 | Apollo Solar Energy | 56 | 4.9★ (137) | 14 mi |
| 37 | Sopris Solar | 56 | 4.6★ (60) | 10 mi |
| 38 | BriteStreet Solar | 56 | 4.6★ (59) | 9 mi |
| 39 | PRQ Exteriors | 56 | 4.9★ (846) | 12 mi |
| 40 | Photon Brothers | 56 | 4.6★ (147) | 8 mi |
| 41 | Lessar Energy | 56 | 4.7★ (30) | 6 mi |
| 42 | Valor Roof and Solar Inc. | 56 | 4.8★ (625) | 9 mi |
| 43 | Lifetime Roof & Solar - Denver | 55 | 5.0★ (438) | 13 mi |
| 44 | Glyde Solar | 55 | 4.2★ (329) | 17 mi |
| 45 | ARE Solar | 55 | 5.0★ (31) | 26 mi |
| 46 | Candor Energy | 55 | 5.0★ (10) | 4 mi |
| 47 | Core Roofing + Solar | 55 | 4.9★ (399) | 12 mi |
| 48 | Somerville Solar LLC | 55 | 5.0★ (4) | 14 mi |
| 49 | Solar Daddy | 55 | 3.9★ (7) | 15 mi |
| 50 | Freedom Forever | 55 | 4.0★ (627) | 9 mi |
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 |
|---|---|---|
| Access Solar Energy Inc | 5.0★ (2) | 8 mi |
| Advanced Electric Solutions Corp | 5.0★ (2) | 7 mi |
| Contact | R&M Solar LLC | In Littleton | |
| Denver Roof Pros LLC | 4.6★ (116) | In Littleton |
| Expert Energy Solutions Company | 1.0★ (2) | 5 mi |
| Hoss Electric Denver | 5.0★ (2) | 7 mi |
| Keystone Roofing Inc. | 5.0★ (113) | In Littleton |
| Mountain Range Roofing | 1.8★ (5) | In Littleton |
| My Roofer Inc | 5.0★ (1) | In Littleton |
| On Point Contracting | 5.0★ (39) | In Littleton |
| Prelude at Sterling Ranch by Tri Pointe Homes | 3.3★ (3) | In Littleton |
| Prospect Village at Sterling Ranch by Dream Finders Homes | 4.0★ (17) | In Littleton |
| Radiant Engineering LLC | 5.0★ (2) | 8 mi |
| S Star Electric | 5.0★ (321) | In Littleton |
| Skyview Solar | 1.0★ (2) | 10 mi |
| Solar Energy Resources | In Littleton | |
| Solar Solutions | In Littleton | |
| SolarHouse BannockCo | 5.0★ (2) | 9 mi |
| Sundog Electric, LLC | 5.0★ (552) | In Littleton |
| UpNext Solar | 5.0★ (2) | 9 mi |
Typical prices in USD, adjusted for Colorado with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $25,190 | $28,490 | $30,990 | 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) | October 2026 |
We scored 202 Littleton 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 Littleton 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 |