481 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Rancho Santa Margarita: Mr. Solar Clean, CR Score 79/100; 5.0★ from 369 Google reviews; open 24/7.
Best for emergencies (open 24/7): EnergyAid, posts 24/7 hours; ranked #2 of 481.
Most-reviewed: Guyou Roofing and Solar, 1,365 Google reviews at 4.9★, the most of 481 ranked; ranked #43.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
481 Rancho Santa Margarita solar installers are ranked here by CR Score, from ten published factors. 50 are open 24/7, 269 open Saturdays and 139 open Sundays, based on posted hours. The median Google rating is 5.0★ across 481 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mr. Solar Clean | 79 | 5.0★ (369) | Carson, 39 mi away | 24/7 | Overall |
| 2 | EnergyAid | 63 | 4.7★ (1,353) | Santa Ana, 15 mi away | 24/7 | Emergencies |
| 3 | Solar Express Cleaning | 62 | 5.0★ (308) | Chino Hills, 27 mi away | 24/7 | — |
| 4 | Affordable Solar Cleaning Pros | 62 | 5.0★ (628) | Loma Linda, 36 mi away | 24/7 | — |
| 5 | Sunrun Solar | 61 | 4.6★ (231) | Irvine, 7 mi away | Sat · Sun | — |
| 6 | EnergyAid | 60 | 4.8★ (534) | San Bernardino, 34 mi away | 24/7 | — |
| 7 | Pacific Solar Care & Window Cleaning | 60 | 5.0★ (310) | Eastvale, 14 mi away | Sat | — |
| 8 | Blue Coast Solar Panel Cleaning | 60 | 5.0★ (73) | Ladera Ranch, 6 mi away | Sat · Sun · Evenings | — |
| 9 | Solar Sparkle | 60 | 5.0★ (110) | Anaheim, 13 mi away | Sat · Sun · Evenings | — |
| 10 | CL Window Shine - Pressure Washing, & Solar Installation | 60 | 4.9★ (322) | Anaheim, 11 mi away | 24/7 | — |
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: 5.0★ from 369 Google reviews, listed on Google as “Solar energy company”.
Based in Santa Ana, 15 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 1,353 Google reviews, listed on Google as “Solar energy company”.
Based in Chino Hills, 27 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 308 Google reviews, listed on Google as “Solar energy company”.
Based in Loma Linda, 36 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 628 Google reviews, listed on Google as “Solar energy system service”.
Based in Irvine, 7 mi away
Ranked #5 because of its Google rating and trade focus: 4.6★ from 231 Google reviews, listed on Google as “Solar energy company”.
Based in San Bernardino, 34 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 534 Google reviews, listed on Google as “Solar energy system service”.
Based in Eastvale, 14 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 310 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Ladera Ranch, 6 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Anaheim, 13 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “Solar energy company”.
Based in Anaheim, 11 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 322 Google reviews.
Based in Lake Elsinore, 12 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Irvine, 15 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Solar energy company”.
Based in Santa Ana, 15 mi away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 156 Google reviews, listed on Google as “Solar energy company”.
Based in Irvine, 15 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 99 Google reviews, listed on Google as “Solar energy company”.
Based in Foothill Ranch, 4 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Solar energy company”.
Based in Irvine, 10 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 326 Google reviews, listed on Google as “Solar energy company”.
Based in La Verne, 34 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 246 Google reviews, listed on Google as “Solar energy company”.
Based in Irvine, 15 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Solar energy company”.
Based in Good Hope, 21 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 91 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Santa Fe Springs, 34 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 515 Google reviews, listed on Google as “Solar energy company”.
Based in Lakeland Village, 18 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 129 Google reviews, listed on Google as “Solar energy system service”.
Based in Corona, 17 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 559 Google reviews, listed on Google as “Solar energy system service”.
Based in Santa Fe Springs, 34 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 262 Google reviews, listed on Google as “Solar energy company”.
Based in Aliso Viejo, 8 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Solar energy company”.
Based in Corona, 16 mi away
Ranked #25 because of its Google rating and trade focus: 4.2★ from 334 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 481 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Guru Solar Cleaning LLC | 57 | 5.0★ (132) | 33 mi |
| 27 | Harris Solar Panel Cleaning | 57 | 5.0★ (91) | 30 mi |
| 28 | Powur, PBC | 57 | 4.7★ (443) | 40 mi |
| 29 | Sunlife Solar and Roofing | 57 | 4.9★ (34) | 15 mi |
| 30 | Sun Synergy Consulting | 57 | 4.3★ (45) | 8 mi |
| 31 | Revelation Solar Panel Cleaning | 57 | 5.0★ (58) | 14 mi |
| 32 | SunFire Construction Inc | 57 | 5.0★ (174) | 19 mi |
| 33 | BestSolarCleaning, LLC | 57 | 5.0★ (81) | 31 mi |
| 34 | Aikyum Solar | 57 | 4.9★ (59) | 25 mi |
| 35 | Solar Optimum- Orange County | 56 | 4.9★ (14) | 7 mi |
| 36 | EL-FI Homes | 56 | 4.8★ (25) | 14 mi |
| 37 | Pure Blue Solar Care | 56 | 5.0★ (14) | 10 mi |
| 38 | Utah Clean Power | 56 | 5.0★ (31) | 10 mi |
| 39 | SolarGraham | 56 | 5.0★ (20) | 25 mi |
| 40 | Optimum Solar Power Inc | 56 | 5.0★ (13) | 20 mi |
| 41 | MAD Solar & Pressure Washing Orange County | 56 | 5.0★ (28) | 10 mi |
| 42 | Elevation | 56 | 4.4★ (139) | 14 mi |
| 43 | Guyou Roofing and Solar | 56 | 4.9★ (1,365) | 21 mi |
| 44 | Revco Solar | 56 | 4.7★ (95) | 6 mi |
| 45 | Ryan Turner Solar | 56 | 5.0★ (18) | 16 mi |
| 46 | Vanwarner Construction | 56 | 4.9★ (56) | 19 mi |
| 47 | Solar Tuneup | 56 | 5.0★ (98) | 17 mi |
| 48 | Elite Shine Property Services | 55 | 5.0★ (94) | 11 mi |
| 49 | Clear Sky Solar Cleaning | 55 | 5.0★ (40) | 29 mi |
| 50 | Powersmith Solar | 55 | 4.8★ (75) | 22 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 |
|---|---|---|
| 123eSolar | In Rancho Santa Margarita | |
| Advanced Comfort Solutions, Inc. | 3.0★ (2) | In Rancho Santa Margarita |
| Air Temperature Solution | 5.0★ (28) | In Rancho Santa Margarita |
| Back Bay Solar Energy | 1.0★ (2) | 4 mi |
| Comfort Cool Fans Manufacturer Direct Installer Orange County | 4.9★ (40) | In Rancho Santa Margarita |
| Evergreen Renewables | 1.0★ (2) | 8 mi |
| Express Roofing and Solar of San Juan Capistrano | 5.0★ (2) | 10 mi |
| GoSolar | 3.0★ (2) | 3 mi |
| Living Green Solar | 5.0★ (2) | 9 mi |
| Now & After Solar llc | 3.0★ (2) | 15 mi |
| OC Solar Panel Cleaning | 4.5★ (2) | 10 mi |
| Raya Solar | 5.0★ (2) | 14 mi |
| Solar House Mission Viejo | 5.0★ (2) | 4 mi |
| Solar Topper | 5.0★ (2) | 10 mi |
| Solar Watt Solutions | 5.0★ (2) | 13 mi |
| SolarCo Energy | 5.0★ (2) | 7 mi |
| SolarCustomized Solutions Mission Viejo | 5.0★ (2) | 7 mi |
| SolarSun Panels Divine | 5.0★ (2) | 7 mi |
| Sunny Solar Service | 5.0★ (2) | 9 mi |
| Whole House Fans Orange County | 4.9★ (17) | In Rancho Santa Margarita |
Typical prices in USD, adjusted for California with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $29,770 | $33,680 | $36,640 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.08 Pacific factor (2025 Cost vs. Value Report) | October 2026 |
We scored 481 Rancho Santa Margarita 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 23, 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 Rancho Santa Margarita 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 |