28 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Clearlake: Sunlight Solar Clean, CR Score 60/100; 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 #3 of 28.
Most-reviewed: Ongaro & Sons, 1,222 Google reviews at 4.9★, the most of 28 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
28 Clearlake solar installers are ranked here by CR Score, from ten published factors. 4 are open 24/7, 9 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 5.0★ across 28 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Sunlight Solar Clean | 60 | 5.0★ (484) | Santa Rosa, 36 mi away | Sat · Sun · Evenings | Overall |
| 2 | Sonoma Solar Clean | 59 | 5.0★ (157) | Santa Rosa, 29 mi away | Sat · Sun · Evenings | — |
| 3 | Solar Santa Rosa | 57 | 5.0★ (33) | Santa Rosa, 36 mi away | 24/7 | Emergencies |
| 4 | Ongaro & Sons | 56 | 4.9★ (1,222) | Santa Rosa, 36 mi away | 24/7 | Most reviews |
| 5 | On Point Electric | 55 | 4.6★ (21) | Redding, 36 mi away | 24/7 | — |
| 6 | Henry Mechanical | 54 | 5.0★ (866) | Windsor, 31 mi away | 24/7 | — |
| 7 | First Response Solar | 54 | 5.0★ (90) | Santa Rosa, 36 mi away | — | — |
| 8 | ProSolarClean | 52 | 5.0★ (3) | Santa Rosa, 34 mi away | Sat · Sun | — |
| 9 | Pure Power Solutions | 51 | 5.0★ (13) | Healdsburg, 28 mi away | — | — |
| 10 | Michael & Sun Solar, Inc. | 51 | 5.0★ (35) | Santa Rosa, 39 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: 5.0★ from 484 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Rosa, 29 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 157 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Rosa, 36 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Rosa, 36 mi away
Ranked #4 because of its Google rating and review volume: 4.9★ from 1,222 Google reviews, the most in Clearlake.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Redding, 36 mi away
Ranked #5 because of its Google rating and trade focus: 4.6★ from 21 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Windsor, 31 mi away
Ranked #6 because of its Google rating and review volume: 5.0★ from 866 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Rosa, 36 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 90 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Rosa, 34 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Healdsburg, 28 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Rosa, 39 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sebastopol, 40 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 47 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Healdsburg, 34 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sebastopol, 40 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 32 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Rosa, 39 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 27 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Healdsburg, 27 mi away
Ranked #15 because of its Google rating and trade focus: 4.3★ 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 Santa Rosa, 37 mi away
Ranked #16 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ukiah, 35 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Rosa, 32 mi away
Ranked #18 because of its Google rating and review volume: 4.9★ from 141 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Rosa, 34 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Rosa, 36 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Gutter cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Larkfield-Wikiup, 22 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Rosa, 36 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ukiah, 34 mi away
Ranked #23 because of its Google rating and review volume: 4.7★ from 50 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Rosa, 39 mi away
Ranked #24 because of its Google rating and trade focus: 3.7★ from 7 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ukiah, 35 mi away
Ranked #25 because of its Google rating and trade focus: 4.3★ from 11 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #28, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Summit Technology Group | 45 | 4.8★ (25) | 35 mi |
| 27 | Lit Electric | 44 | 5.0★ (11) | 30 mi |
| 28 | Seasons Property Maintenance | 41 | 5.0★ (3) | 39 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 |
|---|---|---|
| Alta Energy | 5.0★ (1) | 36 mi |
| AMG Solar Solutions | 3.0★ (2) | 36 mi |
| Connor Construction Napa | 34 mi | |
| Essential Solar Services | 34 mi | |
| First Response Solar | 5.0★ (1) | 40 mi |
| Healdsburg Solar | 27 mi | |
| Norcal Roof and Solar Clean | 29 mi | |
| North State Solar Cleaning, Inc | 5.0★ (2) | 40 mi |
| Prime Energy - Windsor Solar Company | 5.0★ (1) | 38 mi |
| Prime Energy Solar | 5.0★ (1) | 34 mi |
| Prime Restore Sun | 35 mi | |
| Pura Vida Solar Company | 5.0★ (1) | 35 mi |
| Saint Sun Rose | 36 mi | |
| Santa Rosa Solar Panels | 5.0★ (1) | 36 mi |
| Solar Grows | 34 mi | |
| Solar Hybrid Design | 27 mi | |
| Solar Sun Surfer | 32 mi | |
| Solaris Construction Inc. | 5.0★ (1) | 37 mi |
| Sphere Solar Electric | 5.0★ (1) | 26 mi |
| Way 2 Power | 15 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 28 Clearlake 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 Clearlake 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 |