90 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Santa Rosa: Sunlight Solar Clean, CR Score 92/100; 5.0★ from 484 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Solar Santa Rosa, posts 24/7 hours; ranked #2 of 90.
Most-reviewed: Ongaro & Sons, 1,222 Google reviews at 4.9★, the most of 90 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
90 Santa Rosa solar installers are ranked here by CR Score, from 8 published factors. 15 are open 24/7, 42 open Saturdays and 27 open Sundays, based on posted hours. The median Google rating is 5.0★ across 90 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Sunlight Solar Clean | 92 | 5.0★ (484) | Santa Rosa | Sat · Sun · Evenings | Overall |
| 2 | Solar Santa Rosa | 90 | 5.0★ (33) | Santa Rosa | 24/7 | Emergencies |
| 3 | Sonoma Solar Clean | 90 | 5.0★ (157) | Santa Rosa | Sat · Sun · Evenings | — |
| 4 | Ongaro & Sons | 90 | 4.9★ (1,222) | Santa Rosa | 24/7 | Most reviews |
| 5 | Sunrun Solar | 88 | 4.8★ (472) | Petaluma, 13 mi away | Sat · Sun | — |
| 6 | Ongaro & Sons | 86 | 4.9★ (538) | Petaluma, 13 mi away | 24/7 | — |
| 7 | Shine On Solar & Maintenance | 84 | 5.0★ (45) | Cotati, 17 mi away | Sat · Sun | — |
| 8 | Sustainable Living Builders, Inc | 84 | 4.9★ (84) | Sebastopol, 6 mi away | 24/7 | — |
| 9 | Soleil Solar | 84 | 5.0★ (15) | Sebastopol, 9 mi away | Sat · Sun | — |
| 10 | Ongaro & Sons | 83 | 4.9★ (762) | San Anselmo, 33 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 484 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa
Ranked #2 because of its Google rating and availability: 5.0★ from 33 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa
Ranked #3 because of its Google rating and trade focus: 5.0★ from 157 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa
Ranked #4 because of its Google rating and review volume: 4.9★ from 1,222 Google reviews, the most Google reviews on this list (1,222).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Petaluma, 13 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 472 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Petaluma, 13 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 538 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cotati, 17 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sebastopol, 6 mi away
Ranked #8 because of its Google rating and availability: 4.9★ from 84 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sebastopol, 9 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in San Anselmo, 33 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 762 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Benicia, 33 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Napa, 25 mi away
Ranked #12 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 Petaluma, 9 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa
Ranked #14 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Larkfield-Wikiup, 10 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 75 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Windsor, 8 mi away
Ranked #16 because of its Google rating and review volume: 5.0★ from 866 Google reviews, 866 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa
Ranked #17 because of its Google rating and trade focus: 5.0★ from 90 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa
Ranked #18 because of its Google rating and availability: 4.7★ from 46 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sonoma, 16 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Alameda, 28 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rohnert Park, 14 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sebastopol, 7 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 64 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sebastopol, 6 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 84 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fairfield, 24 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa
Ranked #25 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Solar energy system service”.
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 90 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Mirador Energy | 79 | 5.0★ (15) | 38 mi |
| 27 | Sunergy Pacific | 79 | 4.0★ (4) | In Santa Rosa |
| 28 | NDSolution Window Cleaning - Napa Valley | 78 | 5.0★ (68) | 19 mi |
| 29 | Twinpeak Solar | 78 | 5.0★ (6) | 34 mi |
| 30 | Nor Cal Solar Construction | 78 | 4.3★ (12) | 12 mi |
| 31 | Suntegrity Solar | 78 | 4.8★ (27) | In Santa Rosa |
| 32 | Optemo Hydronics | 78 | 5.0★ (18) | In Santa Rosa |
| 33 | Synergy Solar & Electrical Systems Inc. | 78 | 4.8★ (47) | 6 mi |
| 34 | North Valley Solar Power | 77 | 4.9★ (48) | 38 mi |
| 35 | Squeaky Clean Solar | 77 | 5.0★ (5) | 32 mi |
| 36 | Solar Works | 77 | 4.8★ (32) | 6 mi |
| 37 | Pink's Windows Marin | 77 | 5.0★ (51) | 17 mi |
| 38 | Westcoast Solar Energy | 77 | 3.7★ (7) | In Santa Rosa |
| 39 | Wedge Roofing - Marin - Sonoma - Napa - SF | 77 | 4.8★ (50) | 19 mi |
| 40 | Sunshine Window Cleaning | 76 | 5.0★ (10) | 27 mi |
| 41 | EES Solar | 76 | 3.4★ (5) | 8 mi |
| 42 | Napa Valley Solar Panels | 76 | 5.0★ (7) | 11 mi |
| 43 | Transparent Window Washing | 76 | 5.0★ (29) | In Santa Rosa |
| 44 | Grid Titans | 76 | 5.0★ (16) | 14 mi |
| 45 | Elevate the Sun - Solar & Battery Expert | 76 | 5.0★ (5) | 22 mi |
| 46 | Sonoma Shine | 76 | 5.0★ (10) | 10 mi |
| 47 | Bella Hem Solar, Inc. | 75 | 5.0★ (86) | 9 mi |
| 48 | Simply Solar | 75 | 4.4★ (101) | 16 mi |
| 49 | Amy's Roofing and Solar | 75 | 5.0★ (62) | 11 mi |
| 50 | Pure Power Solutions | 75 | 5.0★ (13) | 14 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 |
|---|---|---|
| Alla For Energy | In Santa Rosa | |
| Alta Energy | 5.0★ (1) | In Santa Rosa |
| APG Electric | 5.0★ (381) | In Santa Rosa |
| ARS Roofing & Gutters | 4.7★ (79) | In Santa Rosa |
| Bluetail Industries | 5.0★ (1) | In Santa Rosa |
| Capstone Roofing Inc | 4.9★ (68) | In Santa Rosa |
| Empoint INC | In Santa Rosa | |
| Essential Solar Services | In Santa Rosa | |
| Moore Home Heating Cooling & Plumbing Services | 4.7★ (1,764) | In Santa Rosa |
| North Coast Solar | In Santa Rosa | |
| Prime Energy Solar | 5.0★ (1) | In Santa Rosa |
| Prime Restore Sun | In Santa Rosa | |
| Pura Vida Solar Company | 5.0★ (1) | In Santa Rosa |
| Saint Sun Rose | In Santa Rosa | |
| Santa Rosa Solar Panels | 5.0★ (1) | In Santa Rosa |
| Solar Dealers | 5.0★ (2) | 9 mi |
| Solar Grows | In Santa Rosa | |
| Solar Sun Surfer | In Santa Rosa | |
| Solaris Construction Inc. | 5.0★ (1) | In Santa Rosa |
| You Benefit Solar | 3.0★ (2) | 16 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 90 Santa Rosa 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 Santa Rosa 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 |