For more than 100 years, Alliant Energy and our predecessor companies have kept homes warm, lights burning and factories running across the upper Midwest.
|Number of electric customers|
|Number of natural gas customers|
|Number of employees|
|Operating revenues (year-end 2014) |
| Total assets (year-end 2014)|
28,090 square miles in Iowa and Wisconsin
|Miles of electric lines|
|Miles of natural gas main|
30 million megawatt-hours per year
|Maximum peak hour demand|
|Utility natural gas sold and transported|
123,446 (thousands of dekatherms)mi
All numbers are approximations.
In addition, our focus extends beyond our energy operations. Every day, we demonstrate our commitment to community involvement.
Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL) are Alliant Energy’s two utility subsidiaries. As the primary targets of our future capital investments, the utilities also represent our growth platform. The strategic plan for Alliant Energy’s utility operations is concentrated on:
The utilities own a portfolio of electric generating facilities with a diversified fuel mix including coal, natural gas and renewable resources. The output from these generating facilities is supplemented with purchased power.
Alliant Energy Resources is the parent company of Alliant Energy’s non-regulated businesses. The strategic plan for Alliant Energy’s non-regulated operations involves maintaining a portfolio of businesses that are accretive to earnings but not significant users of capital.
Learn more about our non-regulated businesses
Alliant Energy Corporate Services, Inc. supports the company with traditional administrative functions including strategy, accounting, communications, legal, regulatory, information technology, environmental and safety management and more.