251 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Folsom: EnergyAid, CR Score 62/100; 4.8★ from 737 Google reviews; open 24/7.
Best for emergencies (open 24/7): Cali Solar - Roseville Solar Panel Installation Contractor, posts 24/7 hours; ranked #3 of 251.
Most-reviewed: Sierra Pacific Home & Comfort, Inc., 1,779 Google reviews at 4.5★, the most of 251 ranked; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
251 Folsom solar installers are ranked here by CR Score, from ten published factors. 30 are open 24/7, 125 open Saturdays and 62 open Sundays, based on posted hours. The median Google rating is 4.9★ across 251 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EnergyAid | 62 | 4.8★ (737) | Sacramento, 16 mi away | 24/7 | Overall |
| 2 | Rocklin Solar Repair | 61 | 5.0★ (123) | Rocklin, 11 mi away | Sat · Sun · Evenings | — |
| 3 | Cali Solar - Roseville Solar Panel Installation Contractor | 59 | 5.0★ (24) | Roseville, 7 mi away | 24/7 | Emergencies |
| 4 | Gubruds Electrical Services | 59 | 4.8★ (976) | Rancho Cordova, 8 mi away | 24/7 | — |
| 5 | Folsom Solar Cleaning | 59 | 5.0★ (46) | Folsom | Sat | — |
| 6 | SUPERIOR SOLAR, INC | 58 | 5.0★ (73) | Rancho Cordova, 8 mi away | Sat · Evenings | — |
| 7 | Home Details | 58 | 5.0★ (169) | Folsom | 24/7 | — |
| 8 | Suns Solar Cleaning Rocklin | 58 | 5.0★ (74) | Rocklin, 11 mi away | Sat · Evenings | — |
| 9 | Senga Energy, LLC | 58 | 4.7★ (314) | El Dorado Hills, 7 mi away | — | — |
| 10 | Nationwide Sun | 58 | 5.0★ (144) | Rocklin, 9 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.8★ from 737 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rocklin, 11 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 123 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Roseville, 7 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rancho Cordova, 8 mi away
Ranked #4 because of its Google rating and review volume: 4.8★ from 976 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Folsom
Ranked #5 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rancho Cordova, 8 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Folsom
Ranked #7 because of its Google rating and review volume: 5.0★ from 169 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rocklin, 11 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 74 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in El Dorado Hills, 7 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 314 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rocklin, 9 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 144 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Roseville, 9 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 201 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arden-Arcade, 19 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fair Oaks, 6 mi away
Ranked #13 because of its Google rating and trade focus: 4.3★ from 12 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Antelope, 9 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sacramento, 17 mi away
Ranked #15 because of its Google rating and trade focus: 4.2★ from 375 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ione, 26 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 72 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Antelope, 8 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rancho Cordova, 7 mi away
Ranked #18 because of its Google rating and review volume: 4.5★ from 1,779 Google reviews, the most in Folsom.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Roseville, 10 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Solar energy company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Sacramento, 10 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Roseville, 9 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rocklin, 12 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 184 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Carmichael, 9 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 59 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cameron Park, 12 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 173 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cameron Park, 13 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 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 251 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Semper Solaris | 56 | 4.5★ (16) | 6 mi |
| 27 | EXT Cleaning | 56 | 5.0★ (279) | 18 mi |
| 28 | Eco Solar Cleaning | 56 | 5.0★ (29) | 19 mi |
| 29 | Cascade Power | 56 | 4.9★ (26) | 7 mi |
| 30 | Citadel Roofing & Solar | 56 | 4.7★ (71) | 17 mi |
| 31 | Comfort Control Heating Air Conditioning Solar Electrical | 56 | 4.6★ (195) | 19 mi |
| 32 | Excite Energy | 56 | 4.9★ (75) | 8 mi |
| 33 | Semper Solaris | 56 | 4.5★ (34) | 15 mi |
| 34 | Cope Electric | 56 | 5.0★ (4) | 9 mi |
| 35 | Tesla Solar | 56 | 4.5★ (8) | 14 mi |
| 36 | Val-Penn Energy Solutions | 56 | 5.0★ (20) | 7 mi |
| 37 | Diamond Solar Solutions, Inc. | 56 | 5.0★ (47) | 19 mi |
| 38 | Solar Pro Cleaning | 56 | 4.9★ (25) | 10 mi |
| 39 | Bailey Boys Services | 56 | 4.9★ (1,023) | 2 mi |
| 40 | Go Green Solar Clean | 55 | 5.0★ (10) | 22 mi |
| 41 | V3 Electric | 55 | 3.9★ (442) | 8 mi |
| 42 | Prime Home Solutions | 55 | 4.8★ (69) | 8 mi |
| 43 | Solarado Roofing & Solar | 55 | 5.0★ (61) | 11 mi |
| 44 | Five Star Solar | 55 | 4.9★ (337) | 19 mi |
| 45 | Sunwave Energy, Inc. | 55 | 4.8★ (18) | 8 mi |
| 46 | The Sun Broker | 55 | 5.0★ (31) | 6 mi |
| 47 | Hooked on Solar | 55 | 4.4★ (177) | 9 mi |
| 48 | North Valley Solar Power | 55 | 4.7★ (24) | 11 mi |
| 49 | SunShine Energy | 55 | 5.0★ (21) | 12 mi |
| 50 | Sonic Wash | 55 | 4.9★ (152) | 7 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 |
|---|---|---|
| Adapt Technology | 3.0★ (2) | 15 mi |
| Bay Solar Group | 5.0★ (2) | 16 mi |
| Blue Oak Energy | 3.0★ (2) | 17 mi |
| Bob Parkins Renewable Energy Consultants | In Folsom | |
| BYO Solar Company Elk Grove | 4.5★ (2) | 21 mi |
| California Energy Initiative | 3.0★ (2) | 19 mi |
| Consumer Plus Solar | 5.0★ (1) | In Folsom |
| Electric Avenue Renewables | 5.0★ (2) | 12 mi |
| Folsom Solar | In Folsom | |
| GHSSolar Panels Rocklin | 5.0★ (2) | 11 mi |
| Green Energy Products, Inc. | 3.0★ (2) | 16 mi |
| Hunter Energy Solutions | 3.0★ (2) | 5 mi |
| Jadoo Power Systems | In Folsom | |
| Nicosia Construction | 5.0★ (2) | 17 mi |
| Remarkable Home Remodeling | 4.7★ (50) | In Folsom |
| RePower by Solar Universe of El Dorado Hills | 5.0★ (2) | 7 mi |
| Senior Energy Group - Solar Provider in El Dorado Hills and Sacramento Areas | 5.0★ (2) | 7 mi |
| Solar Aesthetics Tiles Folsom | 5.0★ (2) | In Folsom |
| Solara Home Energy | 3.0★ (2) | 11 mi |
| SolarSave Direct El Dorado Hills | 5.0★ (2) | 6 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 251 Folsom 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 Folsom 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 |