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O3 Energy

O3 Energy

Dallas, Texas
Year Founded: 2011
o3energy.com
Total Kilowatts Installed Since Founded: 151,823
Number of Employees: 16

Rank: 260

Founded in 2011, O3 Energy is a distributed energy solutions company specializing in the development, financing, engineering, construction, and operation of onsite energy infrastructure. Serving commercial, industrial, municipal, federal, and nonprofit clients, O3 Energy delivers practical and financially driven solutions through solar, battery energy storage, microgrids, and intelligent energy management systems. As a turnkey provider, the company helps organizations reduce energy costs, improve resilience, and gain greater control over their long-term energy strategy through innovative and sustainable technologies.

★ 2026 Top Solar Contractors
#260
Overall Rank · 2026 List
No. 260 Solar Contractor in the United States
Solar kW · 2025
3,293
solar kilowatts installed
Storage kWh · 2025
386
storage kilowatt-hours installed
Primary Service
Developer
C&I
3,293
kW

2025 Solar Installations by State & Territory

State / Territory kW Installed 2025
Texas 1,461 View state list →
Louisiana 645 View state list →
Arizona 590 View state list →
Hawaii 450 View state list →
Missouri 145 View state list →
← Back to 2026 Top Solar Contractors
Prior Prior
Lists
2012 – 2025
2025
Rank #280  ·  2025 List  ·  2024 Installation Data
C&I · Developer
2,349
2024 Installation Data
View 2024 Installation Data by State
Texas 1,709
Guam 363
Arizona 277
View 2025 contractor list →
2023
Rank #125  ·  2023 List  ·  2022 Installation Data
C&I · Developer
14,616
2022 Installation Data
View 2022 Installation Data by State
Texas 12,727
Guam 932
GUAM 932
California 915
Colorado 40
View 2023 contractor list →
2021
Rank #121  ·  2021 List  ·  2020 Installation Data
C&I · Developer
12,260
2020 Installation Data
View 2020 Installation Data by State
Texas 11,799
Guam 320
California 99
Colorado 40
View 2021 contractor list →
2020
Rank #103  ·  2020 List  ·  2019 Installation Data
Commercial · Developer
12,726
2019 Installation Data
View 2019 Installation Data by State
Texas 10,460
Guam 955
California 915
Florida 248
Colorado 143
Oklahoma 4
View 2020 contractor list →
2019
Rank #136  ·  2019 List  ·  2018 Installation Data
Commercial · Developer
6
2018 Installation Data
View 2018 Installation Data by State
New York 4,870
Texas 853
Guam 430
View 2019 contractor list →
2018
Rank #134  ·  2018 List  ·  2017 Installation Data
Commercial · Developer
6
2017 Installation Data
2017
Rank #49  ·  2017 List  ·  2016 Installation Data
Commercial · Developer
57
2016 Installation Data
2016
Rank #159  ·  2016 List  ·  2015 Installation Data
Commercial · Developer
4
2015 Installation Data
2015
Rank #156  ·  2015 List  ·  2014 Installation Data
Commercial · Developer
3
2014 Installation Data
2014
Rank #134  ·  2014 List  ·  2013 Installation Data
Installer
2
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
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    • Videos
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    • Voices
    • Webinars / Digital Events
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  • Advertise
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