221 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Frederick: Independent Power, CR Score 87/100; 4.9★ from 373 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Elite Roofing & Solar, posts 24/7 hours; ranked #2 of 221.
Most-reviewed: ION Solar - Colorado, 1,652 Google reviews at 4.0★, the most of 221 ranked; ranked #21.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
221 Frederick solar installers are ranked here by CR Score, from 8 published factors. 19 are open 24/7, 111 open Saturdays and 45 open Sundays, based on posted hours. The median Google rating is 4.8★ across 221 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Independent Power | 87 | 4.9★ (373) | Boulder, 17 mi away | Sat · Sun · Evenings | Overall |
| 2 | Elite Roofing & Solar | 87 | 4.9★ (627) | Denver, 22 mi away | 24/7 | Emergencies |
| 3 | ARE Solar | 86 | 5.0★ (67) | Erie, 7 mi away | Sat · Sun | — |
| 4 | Dodge Key Replacement | 85 | 4.8★ (134) | Longmont, 12 mi away | Sat · Sun | — |
| 5 | Roper Roofing & Solar | 85 | 4.9★ (266) | Wheat Ridge, 24 mi away | 24/7 | — |
| 6 | Controlling Systems Heating, AC, and Electrical Repair | 84 | 4.9★ (565) | Denver, 19 mi away | 24/7 | — |
| 7 | Best Roof and Solar | 84 | 5.0★ (171) | Golden, 27 mi away | 24/7 | — |
| 8 | Blue Spruce Construction Group | 84 | 4.9★ (118) | Erie, 3 mi away | 24/7 | — |
| 9 | Raven Solar Services LLC. | 84 | 4.8★ (70) | Northglenn, 14 mi away | Sat · Sun | — |
| 10 | Red Rock Roofing | 83 | 4.9★ (528) | Firestone, 5 mi away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 373 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Denver, 22 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 627 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Erie, 7 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Longmont, 12 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 134 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wheat Ridge, 24 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 266 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Denver, 19 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 565 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Golden, 27 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 171 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Erie, 3 mi away
Ranked #8 because of its Google rating and availability: 4.9★ from 118 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Northglenn, 14 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 70 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Firestone, 5 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 528 Google reviews, 528 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Denver, 28 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 138 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Denver, 22 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 248 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brighton, 18 mi away
Ranked #13 because of its Google rating and availability: 4.8★ from 25 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greeley, 23 mi away
Ranked #14 because of its Google rating and availability: 4.9★ from 298 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Boulder, 25 mi away
Ranked #15 because of its Google rating and availability: 4.9★ from 329 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Centennial, 36 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 235 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Denver, 29 mi away
Ranked #17 because of its Google rating and availability: 4.4★ from 60 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Littleton, 35 mi away
Ranked #18 because of its Google rating and availability: 4.9★ from 161 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Denver, 27 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 55 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Centennial, 36 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 94 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Denver, 23 mi away
Ranked #21 because of its Google rating and review volume: 4.0★ from 1,652 Google reviews, the most Google reviews on this list (1,652).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Denver, 19 mi away
Ranked #22 because of its Google rating and review volume: 4.7★ from 279 Google reviews, 279 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lafayette, 11 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Solar energy system service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Fort Collins, 19 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Denver, 25 mi away
Ranked #25 because of its Google rating and trade focus: 4.1★ from 773 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#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 221 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Renewable Energy Advisors | 80 | 5.0★ (22) | 24 mi |
| 27 | Somerville Solar LLC | 80 | 5.0★ (4) | 24 mi |
| 28 | Detach Reset Solar | 80 | 4.8★ (440) | 36 mi |
| 29 | Progreen Solar | 80 | 4.7★ (45) | 10 mi |
| 30 | LUXRAY ELECTRIC & SOLAR | 80 | 5.0★ (41) | 8 mi |
| 31 | Peak Roofing and Solar | 79 | 5.0★ (59) | 39 mi |
| 32 | Solar Pathways Energy & Electrical | 79 | 5.0★ (33) | 31 mi |
| 33 | Namaste Solar | 79 | 4.8★ (312) | 14 mi |
| 34 | Solar Wave | 79 | 5.0★ (59) | 24 mi |
| 35 | Upslope Solar | 79 | 5.0★ (57) | 24 mi |
| 36 | Columbine Roofing & Solar | 79 | 4.9★ (122) | 10 mi |
| 37 | Vanguard Solar Services | 79 | 5.0★ (84) | 29 mi |
| 38 | Empire Solar Group, LLC | 79 | 4.4★ (136) | 22 mi |
| 39 | SunPower® | 79 | 4.2★ (952) | 23 mi |
| 40 | Colorado Energy Experts | 79 | 4.8★ (78) | 25 mi |
| 41 | Green Collar Crew | 78 | 5.0★ (24) | 16 mi |
| 42 | Photon Brothers | 78 | 4.7★ (457) | 16 mi |
| 43 | Namaste Solar | 78 | 4.9★ (299) | 26 mi |
| 44 | Solar Daddy | 78 | 3.9★ (7) | 35 mi |
| 45 | Go In Pro Construction | 78 | 5.0★ (116) | 25 mi |
| 46 | Glyde Solar | 77 | 4.2★ (329) | 18 mi |
| 47 | Smart Wave Solar | 77 | 4.7★ (545) | 22 mi |
| 48 | Total Care Solar | 77 | 5.0★ (6) | 24 mi |
| 49 | Bundle, A Solar Company - Colorado | 77 | 5.0★ (6) | 25 mi |
| 50 | Lime Roofing And Solar | 77 | 4.3★ (20) | 26 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 |
|---|---|---|
| A. Adkisson Electric | 5.0★ (2) | 23 mi |
| Access Solar Energy Inc | 5.0★ (2) | 30 mi |
| Advanced Electric Solutions Corp | 5.0★ (2) | 29 mi |
| Altitude Solar Power | 5.0★ (1) | 12 mi |
| Expert Energy Solutions Company | 1.0★ (2) | 34 mi |
| HG Solar | 1.0★ (2) | 28 mi |
| Hoss Electric Denver | 5.0★ (2) | 40 mi |
| Hyperion Solar Cleaning | 5.0★ (2) | 10 mi |
| Independent Power - Fort Collins | 5.0★ (2) | 32 mi |
| Joe & Company - Residential Solar | 5.0★ (2) | 34 mi |
| Juwi Solar Inc | 5.0★ (2) | 18 mi |
| New Energy Structures Company | 5.0★ (1) | 1 mi |
| PurEnergy Solar Installation | In Frederick | |
| Radiant Engineering LLC | 5.0★ (2) | 27 mi |
| RV Solar Connection, llc | 5.0★ (2) | 18 mi |
| Simply Efficient Solar & Wind | 5.0★ (2) | 39 mi |
| Skyview Solar | 1.0★ (2) | 24 mi |
| SolarHouse BannockCo | 5.0★ (2) | 25 mi |
| Tesla | 5.0★ (2) | 38 mi |
| UpNext Solar | 5.0★ (2) | 28 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 221 Frederick 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.
| Factor | Weight | Computed from | In Frederick data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |