Solar installation search
4.6M U.S. solar installations — filter by location, installer, developer, size, storage and date. Export any result to CSV.
Showing 1–16· operated by Interstate Power and Light Co
🔒 Create a free account to export CSV| Location | Segment | Size | Installed | Installer / developer | |
|---|---|---|---|---|---|
| IAClinton County | Utility-scale | 1,300 kW | Dec 1, 2025 | Alliant Energy | View → |
| IAUnion County | Utility-scale | 1,400 kW | Aug 1, 2025 | — | View → |
| Palo, IALinn County | Utility-scale | 187,510 kW | Dec 1, 2024 | — | View → |
| Wever, IALee County | Utility-scale | 182,800 kW | Nov 1, 2024 | — | View → |
| Creston, IAUnion County | Utility-scale | 57,950 kW | Oct 1, 2024 | — | View → |
| Chariton, IALucas County | Utility-scale | 2,900 kW | Jul 1, 2024 | — | View → |
| Perry, IADallas County | Utility-scale | 1,300 kW | Jul 1, 2024 | — | View → |
| Boone, IABoone County | Utility-scale | 1,300 kW | May 1, 2024 | — | View → |
| Cedar Rapids, IALinn County | Utility-scale | 4,500 kW | Jan 1, 2024 | — | View → |
| Des Moines, IA | Commercial | 690 kW | Jan 1, 2024 | Van Maanen Electric, Inc | View → |
| Ames, IAStory County | Utility-scale | 1,400 kW | Jan 1, 2024 | — | View → |
| Palo, IALinn County | Utility-scale | 50,000 kW | Jan 1, 2024 | — | View → |
| Marshalltown, IAMarshall County | Commercial | 25.9 kW | Jan 1, 2022 | 1 Source Solar | View → |
| Dubuque, IADubuque County | Utility-scale | 5,000 kW | Jan 1, 2017 | — | View → |
| Dubuque, IADubuque County | Commercial | 900 kW | Jan 1, 2017 | Alliant Energy | View → |
| Fairfield, IA | Commercial | 500 kW | Jan 1, 2016 | Ideal Energy | View → |
Compiled from LBNL Tracking the Sun, state incentive programs and permit data. Coverage varies by jurisdiction — see each state page for completeness notes.