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Investments and Acquisitions | 6 Months Ended
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Jun. 30, 2019
Schedule of Investments [Line Items] |
Investments and Acquisitions | INVESTMENTS AND ACQUISITIONS Unconsolidated Equity Investments - Alliant Energy’s equity (income) loss from unconsolidated investments accounted for under the equity method of accounting for the three and six months ended June 30 was as follows (in millions):
| Three Months |  | Six Months
| 2019 |  | 2018 |  | 2019 |  | 2018
ATC Holdings |  | ($10.0 | ) |  |  | ($7.8 | ) |  |  | ($19.5 | ) |  |  | ($16.5 | )
Non-utility wind farm in Oklahoma | (1.3 | ) |  | (2.5 | ) |  | (2.4 | ) |  | (14.6 | )
Other | (1.4 | ) |  | (0.2 | ) |  | (1.7 | ) |  | (0.7 | )
|  | ($12.7 | ) |  |  | ($10.5 | ) |  |  | ($23.6 | ) |  |  | ($31.8 | )
Non-utility Transportation Acquisitions - In the first quarter of 2019, Alliant Energy, through its wholly-owned non-utility subsidiaries, completed acquisitions of freight management companies located in Cedar Rapids, Iowa and Stoughton, Wisconsin. These acquisitions were purchased for $21 million, including contingent consideration of $8 million, which is expected to be paid within two years. The purchase price was largely allocated to intangibles and the remainder was allocated to working capital and property.

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