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1 Source Solar

1 Source Solar

Ankeny, Iowa
Year Founded: 2015
1sourcesolar.com
Total Kilowatts Installed Since Founded: 40,400
Number of Employees: 37

Rank: 208

Founded in 2015 and headquartered in Ankeny, Iowa, 1 Source Solar is a Midwest-based solar EPC company dedicated to delivering high-quality, customer-focused energy solutions. With a single standard of excellence across all projects, the company serves homes, businesses, schools, and communities throughout Iowa and Missouri. 1 Source Solar emphasizes education, clear communication, and innovative design to exceed client expectations. By combining engineering expertise, reliable service, and long-term support, the company helps customers confidently achieve their renewable energy goals with efficient, sustainable solar solutions. 

★ 2026 Top Solar Contractors
#208
Overall Rank · 2026 List
No. 208 Solar Contractor in the United States
Solar kW · 2025
5,601
solar kilowatts installed
Primary Service
Installer
C&I
3,911
kW
Residential
1,689
kW

2025 Solar Installations by State & Territory

State / Territory kW Installed 2025
Iowa 5,383 View state list →
Missouri 218 View state list →
← Back to 2026 Top Solar Contractors
Prior Prior
Lists
2012 – 2025
2025
Rank #213  ·  2025 List  ·  2024 Installation Data
C&I | R · EPC
4,981
2024 Installation Data
View 2024 Installation Data by State
Iowa 4,755
Missouri 225
View 2025 contractor list →
2024
Rank #195  ·  2024 List  ·  2023 Installation Data
Res & Com · EPC
6,803
2023 Installation Data
View 2023 Installation Data by State
Iowa 6,596
Missouri 160
Minnesota 46
View 2024 contractor list →
2023
Rank #216  ·  2023 List  ·  2022 Installation Data
Res & Com · EPC
5,014
2022 Installation Data
View 2022 Installation Data by State
Iowa 4,402
Missouri 561
Minnesota 51
View 2023 contractor list →
2022
Rank #218  ·  2022 List  ·  2021 Installation Data
Res & Com · EPC · Storage: 229 kWh
4,788
2021 Installation Data
View 2021 Installation Data by State
Iowa 4,581
Illinois 114
Minnesota 67
Florida 25
View 2022 contractor list →
2021
Rank #246  ·  2021 List  ·  2020 Installation Data
C&I · EPC
2,622
2020 Installation Data
View 2020 Installation Data by State
Iowa 2,505
Nebraska 117
View 2021 contractor list →
2020
Rank #278  ·  2020 List  ·  2019 Installation Data
Commercial · EPC
1,544
2019 Installation Data
View 2019 Installation Data by State
Iowa 1,544
View 2020 contractor list →
2019
Rank #281  ·  2019 List  ·  2018 Installation Data
Commercial · Installation Subcontractor
1
2018 Installation Data
View 2018 Installation Data by State
Iowa 1,210
View 2019 contractor list →
2018
Rank #291  ·  2018 List  ·  2017 Installation Data
Commercial · EPC
1
2017 Installation Data
2017
Rank #317  ·  2017 List  ·  2016 Installation Data
Commercial · EPC
1
2016 Installation Data
2016
Rank #327  ·  2016 List  ·  2015 Installation Data
Commercial · EPC
1
2015 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
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    • 2026 Top Products application
    • Winners of SPW’s 2025 Top Products
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