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GRID Alternatives

GRID Alternatives

Oakland, CA
Year Founded: 2004
gridalternatives.org
Total Kilowatts Installed Since Founded: 78,481

GRID Alternatives is the nation’s largest nonprofit solar installer. GRID was founded in 2004 by Erica Mackie and Tim Sears, who developed a model to make solar PV technology accessible for income-qualified communities, while providing pathways to clean energy jobs. Today, GRID serves families throughout California, Colorado, the Mid-Atlantic region, and tribal communities nationwide. Our Energy For All Program offers single-family, multifamily and community solar installation services. We offer multiple levels of workforce development, including volunteerism, solar training, and our SolarCorps fellowship. GRID’s international program partners with communities in Nicaragua, Nepal and Mexico to address their energy access issues.

2022
Rank #205  ·  2022 List  ·  2021 Installation Data
Residential · Installer
5,985
2021 Installation Data
View 2021 Installation Data by State
California 4,792
Colorado 744
Montana 212
Alaska 81
Washington D.C. 70
South Dakota 54
New Mexico 25
Virginia 5
View 2022 contractor list →
2021
Rank #180  ·  2021 List  ·  2020 Installation Data
Residential · Rooftop Contractor
6,209
2020 Installation Data
View 2020 Installation Data by State
California 4,059
Colorado 2,003
Washington D.C. 134
New Mexico 11
View 2021 contractor list →
2020
Rank #123  ·  2020 List  ·  2019 Installation Data
Residential · Rooftop Contractor
8,380
2019 Installation Data
View 2019 Installation Data by State
California 6,114
Colorado 1,451
Washington D.C. 508
South Dakota 276
New Mexico 26
Virginia 2
Arizona 1
View 2020 contractor list →
2019
Rank #114  ·  2019 List  ·  2018 Installation Data
Residential · Rooftop Contractor
8
2018 Installation Data
View 2018 Installation Data by State
California 6,664
Washington D.C. 916
Colorado 449
New Mexico 30
South Dakota 25
View 2019 contractor list →
2018
Rank #102  ·  2018 List  ·  2017 Installation Data
Residential · Rooftop Contractor
11
2017 Installation Data
2017
Rank #153  ·  2017 List  ·  2016 Installation Data
Residential · Rooftop Contractor
6
2016 Installation Data
2016
Rank #156  ·  2016 List  ·  2015 Installation Data
Residential · Rooftop Contractor
4
2015 Installation Data
2015
Rank #144  ·  2015 List  ·  2014 Installation Data
Residential · Non-Profit Contractor
3
2014 Installation Data
2014
Rank #111  ·  2014 List  ·  2013 Installation Data
Installer
3
2013 Installation Data
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  • Home
  • Top Solar Contractors
  • Articles
    • Most Recent Posts
    • News
      • Latest News Items
      • SPW State News Hub
      • IRA/OBBBA coverage
      • Solar tariffs
      • U.S. manufacturing updates
    • Featured
      • Latest Feature Stories
      • Benchmarking U.S. Solar Manufacturing
      • SPW’s Rising Stars
      • Trends in Solar
      • The Solar Explorer
  • Policy
    • Latest policy headlines
    • IRA/OBBBA Coverage
    • Tariffs and Court Cases
  • Markets
    • Residential
    • Commercial
    • Community Solar
    • Utility
    • Storage
  • Products
    • 2026 Top Products application
    • 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
    • Whitepapers
  • 2026 Leadership
    • 2025 Winners
    • 2024 Winners
    • 2023 Winners
    • 2022 Winners
  • Advertise
  • Subscribe