ISI Solar
Central City, Nebraska
Year Founded: 1996
isisolar.com
Total Kilowatts Installed Since Founded: 279,483
Number of Employees: 140
Rank: 71
ISI Solar is a leading PV solar EPC and O&M services provider, serving Developers, Cooperatives, Municipalities, and other clients across the Midwest and Rocky Mountain regions since 2014. The company specializes in the design and construction of high-quality distributed generation (DG) and utility-scale solar and BESS projects, delivering expertise, integrity, and accountability on every project.
★ 2026 Top Solar Contractors
#71
Solar kW · 2025
56,213
solar kilowatts installed
Primary Service
EPC
2025 Solar Installations by State & Territory
| State / Territory | kW Installed 2025 | |
|---|---|---|
| Colorado | 33,681 | View state list → |
| Nebraska | 22,532 | View state list → |
Prior
Prior
Lists 2012 – 2025
Lists 2012 – 2025
2025
55,817
2024 Installation Data
View 2024 Installation Data by State
| Colorado | 24,530 |
| Nebraska | 21,801 |
| Wisconsin | 9,486 |
2024
22,210
2023 Installation Data
View 2023 Installation Data by State
| Colorado | 7,920 |
| Wisconsin | 7,200 |
| Illinois | 2,990 |
| Kansas | 2,510 |
| Minnesota | 1,590 |
2016
0
2015 Installation Data