- Founded in 1917
- Madison, Wisconsin
- Unknown
- alliantenergy.com
- linkedin.com/company/alliant-energy
name | type | Technologies | regions | HQ | |
|---|---|---|---|---|---|
 | Madison Gas & Electric | Investor | Solar, Wind, Energy Storage | USA & Canada, LATAM & Caribbean | Madison, WI |
 | MidAmerican Energy (Berksire Hathaway) | - | Wind, Infrastructure & Other | USA & Canada, LATAM & Caribbean | Des Moines, Iowa |
 | Dairyland Power Cooperative | Developer | Solar, Wind, Energy Storage, Other Renewables, Infrastructure & Other | LATAM & Caribbean | La Crosse, WI |