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 | Cosmic Solar, Inc. |
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| 3 | Sunwork Renewable Energy Projects |
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| 4 | Affordable Home Solar |
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| 5 | NRG Clean Power |
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| 6 | Bland Solar |
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| 7 | SunLux Energy Inc. |
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| 8 | Sol R US Electrical Engineering |
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| 9 | SunPower by The Solar Quote |
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| 10 | FORME Solar |
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| 11 | Sungreen Systems |
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| 12 | Ameco Solar |
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| 13 | Kota Energy Group |
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| 14 | NRG Upgrade |
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| 15 | Gimenergy |
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| 16 | Imperium Energy |
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| 17 | Solar Symphony |
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| 18 | SolarNorcal LLC |
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| 19 | Jamar Power Systems |
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| 20 | Solar Renewable Energy |
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