Windfree Solar
Chicago, Illinois
Year Founded: 2009
windfree.us
Total Kilowatts Installed Since Founded: 24,363
Number of Employees: 28
Rank: 202
Windfree Solar is a premier commercial and residential solar installer headquartered in Chicago, Illinois, since 2009. We provide first-class design, engineering, development, and installation services. Beyond being a full-service solar installation company, Windfree Solar is a leading installer and developer of battery storage systems and electric vehicle charging stations. Windfree Solar is also a certified Minority Owned Business (MBE) and Equity Eligible Contractor (EEC).
★ 2026 Top Solar Contractors
#202
Solar kW · 2025
6,087
solar kilowatts installed
Primary Service
EPC
2025 Solar Installations by State & Territory
| State / Territory | kW Installed 2025 | |
|---|---|---|
| Illinois | 6,059 | View state list → |
| Wisconsin | 17 | View state list → |
| Indiana | 9 | View state list → |
Prior
Prior
Lists 2012 – 2025
Lists 2012 – 2025
2025
4,110
2024 Installation Data
View 2024 Installation Data by State
| Illinois | 3,829 |
| Wisconsin | 255 |
| Indiana | 25 |
2024
3,005
2023 Installation Data
View 2023 Installation Data by State
| Illinois | 2,922 |
| Wisconsin | 53 |
| Indiana | 29 |
2023
4,293
2022 Installation Data
View 2022 Installation Data by State
| Illinois | 4,062 |
| Indiana | 139 |
| Michigan | 40 |
| Wisconsin | 35 |
| Iowa | 15 |
2022
3,180
2021 Installation Data
View 2021 Installation Data by State
| Illinois | 3,077 |
| Indiana | 71 |
| Wisconsin | 18 |
| Michigan | 13 |
2021
8,015
2020 Installation Data
View 2020 Installation Data by State
| Illinois | 8,015 |
2020
1,821
2019 Installation Data
View 2019 Installation Data by State
| Illinois | 1,821 |
2019
2
2018 Installation Data
View 2018 Installation Data by State
| Illinois | 2,393 |
2018
1
2017 Installation Data
2017
1
2016 Installation Data
2016
1
2015 Installation Data
2015
0
2014 Installation Data