SolarReviews Top 20 Residential Installers in California
The below results are based strictly on customer satisfaction. We applaud these companies and the contributions that they are making to the solar industry.
This list is continuously updated as new reviews come in. While these rankings are based on all-time ratings, recent reviews are weighted heavier than older reviews. Therefore, this list is an ideal representation of the best installers right now.
We compile these rankings for the entire US, each state, and top cities (see below).
The average all-time rating for the top 20 residential solar companies in California
These ratings factor in time span, and are calculated with a bayesian average. Click here for a detailed explanation.
| Rank | Company Name | Rating 2021 | |
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| 1 | Renova Energy | 
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| 2 | Sunwork Renewable Energy Projects |
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| 3 | Cosmic Solar, Inc. |
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| 4 | Affordable Home Solar |
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| 5 | SunLux Energy Inc. |
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| 6 | Bland Solar |
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| 7 | Sol R US Electrical Engineering |
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| 8 | Highlight Solar |
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| 9 | Kota Energy Group |
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| 10 | NRG Clean Power |
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| 11 | Ameco Solar |
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| 12 | FORME Solar |
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| 13 | Sungreen Systems |
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| 14 | Sierra Pacific Solar |
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| 15 | NRG Upgrade |
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| 16 | Solar Renewable Energy |
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| 17 | Imperium Energy |
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| 18 | Gimenergy |
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| 19 | Solar Symphony |
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| 20 | SolarNorcal LLC |
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