iSun
Williston, VT
Year Founded: 1972
isunenergy.com
Total Kilowatts Installed Since Founded: 660,395
2024 update: iSun has filed for bankruptcy.
2023
49,544
2022 Installation Data
View 2022 Installation Data by State
| Vermont | 21,744 |
| Maine | 20,261 |
| New Hampshire | 5,131 |
| New York | 2,406 |
2022
53,000
2021 Installation Data
View 2021 Installation Data by State
| Maine | 20,261 |
| Vermont | 19,664 |
| Rhode Island | 5,305 |
| New Hampshire | 5,139 |
| New York | 2,605 |
| Pennsylvania | 24 |
2021
112,769
2020 Installation Data
View 2020 Installation Data by State
| South Carolina | 101,657 |
| Vermont | 11,111 |
2020
33,118
2019 Installation Data
View 2019 Installation Data by State
| Vermont | 33,118 |
2019
16
2018 Installation Data
View 2018 Installation Data by State
| Vermont | 16,961 |
2018
28
2017 Installation Data
2017
31
2016 Installation Data
2016
19
2015 Installation Data
2015
16
2014 Installation Data