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Mortenson

Mortenson

Minneapolis, Minnesota
Year Founded: 1954
mortenson.com
Total Kilowatts Installed Since Founded: 12,325,300
Number of Employees: 11,000

Rank: 7

At Mortenson, we are committed to building a sustainable energy future and redefining what’s possible. From gigawatt-scale renewable energy generation and storage to commercial microgrids and more, we offer extensive expertise in designing and executing complex energy projects and provide invaluable support to our customers as they navigate the ever-changing energy landscape. With our unmatched technical expertise, full self-perform capabilities, transparent communication and zero injury culture, we ensure customers have a positive and successful project experience from preconstruction to commissioning and beyond.

★ 2026 Top Solar Contractors
#7
Overall Rank · 2026 List
No. 7 Solar Contractor in the United States
Solar kW · 2025
1,655,100
solar kilowatts installed
Storage kWh · 2025
5,776,000
storage kilowatt-hours installed
Primary Service
EPC
Utility
1,655,100
kW

2025 Solar Installations by State & Territory

State / Territory kW Installed 2025
Texas 862,000 View state list →
Colorado 406,000 View state list →
Florida 202,100 View state list →
California 185,000 View state list →
← Back to 2026 Top Solar Contractors
Prior Prior
Lists
2012 – 2025
2025
Rank #8  ·  2025 List  ·  2024 Installation Data
U · EPC
2,030,900
2024 Installation Data
View 2024 Installation Data by State
Texas 1,290,000
Florida 740,900
View 2025 contractor list →
2024
Rank #15  ·  2024 List  ·  2023 Installation Data
Utility · EPC
990,100
2023 Installation Data
View 2023 Installation Data by State
Texas 590,000
Florida 400,100
View 2024 contractor list →
2023
Rank #5  ·  2023 List  ·  2022 Installation Data
Utility · EPC · Storage: 3,320,000 kWh
1,432,300
2022 Installation Data
View 2022 Installation Data by State
California 875,000
Texas 450,700
Florida 106,600
View 2023 contractor list →
2022
Rank #17  ·  2022 List  ·  2021 Installation Data
Utility · EPC
602,700
2021 Installation Data
View 2021 Installation Data by State
Virginia 293,900
Texas 105,200
North Carolina 102,600
Florida 101,000
View 2022 contractor list →
2021
Rank #4  ·  2021 List  ·  2020 Installation Data
Utility · EPC
1,212,100
2020 Installation Data
View 2020 Installation Data by State
Texas 557,000
Virginia 324,000
Georgia 225,500
Florida 105,600
View 2021 contractor list →
2020
Rank #5  ·  2020 List  ·  2019 Installation Data
Utility · EPC
710,200
2019 Installation Data
View 2019 Installation Data by State
Texas 326,900
Georgia 138,500
Florida 101,800
North Carolina 96,000
Colorado 47,000
View 2020 contractor list →
2019
Rank #1  ·  2019 List  ·  2018 Installation Data
Utility · EPC · Storage: 82,000 kWh
732
2018 Installation Data
View 2018 Installation Data by State
California 328,900
Texas 234,000
Florida 110,800
Arizona 30,900
Virginia 28,000
View 2019 contractor list →
2018
Rank #3  ·  2018 List  ·  2017 Installation Data
Utility · EPC
730
2017 Installation Data
2017
Rank #4  ·  2017 List  ·  2016 Installation Data
Utility · EPC
1
2016 Installation Data
2016
Rank #1  ·  2016 List  ·  2015 Installation Data
Utility · EPC
1
2015 Installation Data
2015
Rank #2  ·  2015 List  ·  2014 Installation Data
Utility · EPC
512
2014 Installation Data
2014
Rank #9  ·  2014 List  ·  2013 Installation Data
Installer
185
2013 Installation Data
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  • Top Solar Contractors
  • Articles
    • Most Recent Posts
    • News
      • Latest News Items
      • SPW State News Hub
      • IRA/OBBBA coverage
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      • 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
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    • Tariffs and Court Cases
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  • Products
    • 2026 Top Products application
    • Winners of SPW’s 2025 Top Products
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      • U.S. solar inverter manufacturers
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