346 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Thousand Oaks: August Roofing & Solar, CR Score 60/100; 4.9★ from 250 Google reviews; open 24/7.
Best for emergencies (open 24/7): Solar panel maintenance, Solar diagnostic, solar repair and cleaning, bird proofing, posts 24/7 hours; ranked #3 of 346.
Most-reviewed: Payless Water Heaters & Plumbing, Inc., 1,762 Google reviews at 4.8★, the most of 346 ranked; ranked #13.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
346 Thousand Oaks solar installers are ranked here by CR Score, from ten published factors. 47 are open 24/7, 197 open Saturdays and 144 open Sundays, based on posted hours. The median Google rating is 5.0★ across 346 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | August Roofing & Solar | 60 | 4.9★ (250) | Simi Valley, 8 mi away | 24/7 | Overall |
| 2 | Energy Loan Network | 59 | 4.9★ (489) | Simi Valley, 10 mi away | — | — |
| 3 | Solar panel maintenance, Solar diagnostic, solar repair and cleaning, bird proofing | 59 | 5.0★ (79) | Burbank, 24 mi away | 24/7 | Emergencies |
| 4 | Real Pwr | 59 | 5.0★ (62) | Woodland Hills, 14 mi away | Sat · Sun · Evenings | — |
| 5 | Squeaky Clean Solar | 58 | 5.0★ (36) | Simi Valley, 9 mi away | Sat · Sun · Evenings | — |
| 6 | Keep It Simple Solar | 58 | 5.0★ (42) | Calabasas, 11 mi away | Sat · Sun · Evenings | — |
| 7 | Alternative Energy Solutions | 58 | 5.0★ (35) | Thousand Oaks | Sat · Evenings | — |
| 8 | Sunrun Solar | 58 | 4.2★ (237) | Camarillo, 10 mi away | Sat · Sun | — |
| 9 | Smart Solar Panel Cleaning Los Angeles | 58 | 5.0★ (90) | Redondo Beach, 34 mi away | 24/7 | — |
| 10 | DC Energy - Solar + Back Up Battery | 58 | 5.0★ (24) | Camarillo, 6 mi away | Sat · Sun · Evenings | — |
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 review volume: 4.9★ from 250 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Simi Valley, 10 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 489 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burbank, 24 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Woodland Hills, 14 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Simi Valley, 9 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calabasas, 11 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thousand Oaks
Ranked #7 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Camarillo, 10 mi away
Ranked #8 because of its Google rating and trade focus: 4.2★ from 237 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Redondo Beach, 34 mi away
Ranked #9 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 Camarillo, 6 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 24 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 Clarita, 27 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 183 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Canoga Park, 14 mi away
Ranked #12 because of its Google rating and trade focus: 4.5★ from 250 Google reviews, listed on Google as “Solar energy company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Santa Clarita, 24 mi away
Ranked #13 because of its Google rating and review volume: 4.8★ from 1,762 Google reviews, the most in Thousand Oaks.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Los Angeles, 23 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 158 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chatsworth, 14 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Simi Valley, 8 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Park, 4 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 96 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Beverly Hills, 28 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Simi Valley, 7 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Canoga Park, 14 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Moorpark, 10 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Los Angeles, 33 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 100 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Camarillo, 6 mi away
Ranked #23 because of its Google rating and trade focus: 3.9★ from 149 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Los Angeles, 29 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Canoga Park, 14 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 143 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 346 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | ProSolar California | 56 | 5.0★ (31) | 29 mi |
| 27 | Smart Solar Panel Cleaning Los Angeles | 56 | 5.0★ (27) | 27 mi |
| 28 | Evergreen Solar & Construction | 56 | 4.5★ (56) | 16 mi |
| 29 | Solar Solutions Company | 56 | 5.0★ (16) | 10 mi |
| 30 | Solar Optimum Glendale | 56 | 4.7★ (348) | 31 mi |
| 31 | Helios Energy Global | 56 | 4.9★ (117) | 22 mi |
| 32 | Cervus Solar & Construction | 56 | 5.0★ (54) | 27 mi |
| 33 | US Power | 56 | 5.0★ (179) | 20 mi |
| 34 | Green 360 Solutions | 56 | 4.7★ (57) | 22 mi |
| 35 | Atlas Inc. | 56 | 5.0★ (15) | 22 mi |
| 36 | Shine Solar Cleaners | 56 | 5.0★ (26) | 19 mi |
| 37 | Planet Connection Inc | 56 | 4.7★ (64) | 15 mi |
| 38 | Solar Service Professionals | 56 | 4.8★ (98) | 22 mi |
| 39 | Solar Discovery | 56 | 5.0★ (103) | 17 mi |
| 40 | EverGreen Roofing and Solar | 56 | 4.9★ (66) | 18 mi |
| 41 | AWS Solar | 55 | 4.9★ (89) | 26 mi |
| 42 | Sol Shine USA | 55 | 5.0★ (28) | 13 mi |
| 43 | My Solar Sweepers | 55 | 5.0★ (14) | 13 mi |
| 44 | Max's Window Cleaning | 55 | 4.9★ (220) | 18 mi |
| 45 | Alex Sells Solar - Solar and Battery Brokers LLC | 55 | 5.0★ (20) | 19 mi |
| 46 | Solar G | 55 | 5.0★ (128) | 33 mi |
| 47 | Go Solar with Alex | 55 | 4.8★ (22) | 8 mi |
| 48 | Solar Connection Construction | 55 | 5.0★ (20) | 22 mi |
| 49 | Epic Shine Solar Panel Cleaning | 55 | 5.0★ (15) | 9 mi |
| 50 | Citadel Roofing & Solar | 55 | 4.9★ (24) | 25 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 |
|---|---|---|
| AFC Plumbing & Solar | 5.0★ (2) | 10 mi |
| APT Solar Company | 5.0★ (2) | 9 mi |
| ASE Solar Solutions | 5.0★ (2) | 14 mi |
| Avatar Solar, Inc. | 5.0★ (2) | 6 mi |
| Ayce Electric, Inc. | 4.8★ (39) | In Thousand Oaks |
| DC Energy - Solar + Battery Back Up | 5.0★ (2) | In Thousand Oaks |
| Energy Efficiency Solar Panels & Windows | 5.0★ (2) | In Thousand Oaks |
| Grow Go Solar | In Thousand Oaks | |
| Inov8 Electric | In Thousand Oaks | |
| Los Angeles Solar Select | 5.0★ (2) | 12 mi |
| SM Remodeling Solar Energy | In Thousand Oaks | |
| SoCal Hydronics | 5.0★ (2) | 5 mi |
| Solar Choice Solutions Inc. | 5.0★ (2) | 1 mi |
| SolarPanel Aesthetics & Tiles | 5.0★ (2) | In Thousand Oaks |
| Stellar Power - Solar Energy | In Thousand Oaks | |
| Sunburst Skylights | 5.0★ (9) | In Thousand Oaks |
| Tesla Solar California | 3.0★ (2) | 13 mi |
| The Howard Electric Company | In Thousand Oaks | |
| Thousand Oaks Solar Panels | 5.0★ (1) | In Thousand Oaks |
| Ventura Solar Pros | In Thousand Oaks |
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 346 Thousand Oaks 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 Thousand Oaks 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 |