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A1 Sun

A1 Sun

Berkeley, CA
Year Founded: 2007
a1suninc.com

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A1 Sun, Inc. is family owned and managed. Twelve years survival on “the solar coaster” has expanded our business and skill base while our shared company goal remains the same: To superbly design and install solar energy systems that last for the benefit of our clients, community, and the larger global environment. After helping each client meet their energy needs, A1 Sun custom designs and installs each system to maximize production while keeping site aesthetics in mind. A1 Sun installs solar systems of the highest quality. We are committed to providing the best value for our clients, while benefitting the planet by doing business sustainably.




2019 Top Solar Contractors

2018 STATISTICS

Rank #387

Total Kilowatts Installed 2018: 319.7 Employees: 10
Primary Service: Rooftop Contractor Primary Market: Residential

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2018 Top Solar Contractors

2017 STATISTICS

2018 Rank #412

Total Kilowatts Installed 2017: 300.9 Employees: 9
Primary Market: Residential Primary Service: Rooftop Contractor

Back to 2018 Top Solar Contractor list

 

2017 Top Solar Contractors

2016 STATISTICS

2017 Rank #490

Total Kilowatts Installed 2016: 207 Employees: 10
Primary Market: Residential Primary Service: EPC

Back to 2017 Top Contractor list

 
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  • Home
  • Top Solar Contractors
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    • Most Recent Posts
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      • Latest News Items
      • SPW State News Hub
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      • U.S. manufacturing updates
    • Featured
      • Latest Feature Stories
      • SPW’s Rising Stars
      • Trends in Solar
      • The Solar Explorer
  • Policy
    • The Solar Policy Scoop
    • IRA/HR1 Coverage
  • Markets
    • Residential
    • Commercial
    • Community Solar
    • Utility
  • Products
    • Winners of SPW’s 2025 Top Products
    • Batteries and Storage
    • Electric Vehicle (EV)
    • Inverters
      • U.S. solar inverter manufacturers
    • Racking and Mounting
      • U.S. solar mounting manufacturers
    • Software
    • Solar Panels
      • U.S. solar panel manufacturers
  • Resources
    • About SPW
    • Digital Issues
    • Event Coverage
    • Podcasts
    • Product Manufacturing Locations
      • U.S. solar inverter manufacturers
      • U.S. solar mounting manufacturers
      • U.S. solar panel manufacturers
    • Solar Classrooms
    • Suppliers
    • Videos
    • Views
    • Voices
    • Webinars / Digital Events
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  • 2025 Leadership
    • 2024 Winners
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  • Advertise
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