249 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Loomis: Rocklin Solar Repair, CR Score 88/100; 5.0★ from 123 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): EnergyAid, posts 24/7 hours; ranked #2 of 249.
Most-reviewed: Sierra Pacific Home & Comfort, Inc., 1,779 Google reviews at 4.5★, the most of 249 ranked; ranked #31.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
249 Loomis solar installers are ranked here by CR Score, from 8 published factors. 30 are open 24/7, 124 open Saturdays and 61 open Sundays, based on posted hours. The median Google rating is 4.9★ across 249 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Rocklin Solar Repair | 88 | 5.0★ (123) | Rocklin, 6 mi away | Sat · Sun · Evenings | Overall |
| 2 | EnergyAid | 87 | 4.8★ (737) | Sacramento, 21 mi away | 24/7 | Emergencies |
| 3 | Cali Solar - Roseville Solar Panel Installation Contractor | 87 | 5.0★ (24) | Roseville, 7 mi away | 24/7 | — |
| 4 | Gubruds Electrical Services | 85 | 4.8★ (976) | Rancho Cordova, 17 mi away | 24/7 | — |
| 5 | Sunhawk Solar | 84 | 5.0★ (31) | Roseville, 6 mi away | — | — |
| 6 | Home Details | 84 | 5.0★ (169) | Folsom, 12 mi away | 24/7 | — |
| 7 | Powercore Electric Inc. | 84 | 5.0★ (6) | Roseville, 7 mi away | 24/7 | — |
| 8 | Solar Conservators | 83 | 5.0★ (7) | Antelope, 11 mi away | 24/7 | — |
| 9 | Cope Electric | 83 | 5.0★ (4) | Roseville, 8 mi away | 24/7 | — |
| 10 | Solar Electric Pros | 83 | 4.3★ (12) | Fair Oaks, 13 mi away | 24/7 | — |
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: 5.0★ from 123 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sacramento, 21 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 737 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Roseville, 7 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 24 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rancho Cordova, 17 mi away
Ranked #4 because of its Google rating and availability: 4.8★ from 976 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Roseville, 6 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Folsom, 12 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 169 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Roseville, 7 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Antelope, 11 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Roseville, 8 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fair Oaks, 13 mi away
Ranked #10 because of its Google rating and availability: 4.3★ from 12 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rocklin, 6 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 74 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Auburn, 2 mi away
Ranked #12 because of its Google rating and availability: 5.0★ from 51 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sacramento, 26 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 279 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carmichael, 14 mi away
Ranked #14 because of its Google rating and availability: 4.8★ from 59 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Grass Valley, 32 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 98 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cameron Park, 18 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Diamond Springs, 21 mi away
Ranked #17 because of its Google rating and availability: 4.6★ from 195 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Arden-Arcade, 26 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sacramento, 19 mi away
Ranked #19 because of its Google rating and availability: 4.5★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sacramento, 20 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 71 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Sacramento, 28 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ione, 35 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 72 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Yuba City, 32 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rancho Cordova, 17 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sacramento, 20 mi away
Ranked #25 because of its Google rating and trade focus: 4.2★ from 375 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 249 ranked solar installers here; the rest are on their profiles.
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 |
|---|---|---|
| Adapt Technology | 3.0★ (2) | 18 mi |
| Americas Solar | 5.0★ (1) | 6 mi |
| Bay Solar Group | 5.0★ (2) | 23 mi |
| Blue Oak Energy | 3.0★ (2) | 20 mi |
| BYO Solar Company Elk Grove | 4.5★ (2) | 30 mi |
| California Energy Initiative | 3.0★ (2) | 22 mi |
| CMCO Electric & Solar | In Loomis | |
| Electric Avenue Renewables | 5.0★ (2) | 19 mi |
| GHSSolar Panels Rocklin | 5.0★ (2) | 5 mi |
| Green Energy Products, Inc. | 3.0★ (2) | 19 mi |
| Hunter Energy Solutions | 3.0★ (2) | 6 mi |
| Magic Sun Electric | 4.3★ (11) | In Loomis |
| Nicosia Construction | 5.0★ (2) | 20 mi |
| North State Solar Cleaning, Inc | 5.0★ (2) | 38 mi |
| RePower by Solar Universe of El Dorado Hills | 5.0★ (2) | 15 mi |
| Senior Energy Group - Solar Provider in El Dorado Hills and Sacramento Areas | 5.0★ (2) | 15 mi |
| Solagistics LLC | 3.0★ (2) | 32 mi |
| Solar Aesthetics Tiles Folsom | 5.0★ (2) | 12 mi |
| Solara Home Energy | 3.0★ (2) | 5 mi |
| SolarSave Direct El Dorado Hills | 5.0★ (2) | 14 mi |
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 249 Loomis 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 Loomis 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 |