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Gemma Renewable Power

Gemma Renewable Power

Glastonbury, CT
Year Founded: 1997
Total Kilowatts Installed Since Founded: 333,310

Rank: 43

Gemma Renewable Power, a wholly owned subsidiary of Argan, Inc. (NYSE: AGX), located in Glastonbury, Connecticut, is a leading EPC company providing innovative solutions for the renewable energy industries. We engage highly experienced, creative people to answer the challenges of building complex energy projects. We know the latest state-of-the-art energy technology and understand the power markets and labor force. We deliver top quality engineering, procurement, construction, and start-up of renewable power generation projects.

2025
Rank #43  ·  2025 List  ·  2024 Installation Data
U · EPC
155,500
2024 Installation Data
View 2024 Installation Data by State
Illinois 155,500
View 2025 contractor list →
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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
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    • 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