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Investments and Acquisitions | 9 Months Ended
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Sep. 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 nine months ended September 30 was as follows (in millions):
| Three Months |  | Nine Months
| 2019 |  | 2018 |  | 2019 |  | 2018
ATC Holdings |  | ($10.5 | ) |  |  | ($8.9 | ) |  |  | ($30.0 | ) |  |  | ($25.4 | )
Non-utility wind farm in Oklahoma | (0.4 | ) |  | 0.1 |  |  | (2.8 | ) |  | (14.5 | )
Other | (0.7 | ) |  | (1.0 | ) |  | (2.4 | ) |  | (1.7 | )
|  | ($11.6 | ) |  |  | ($9.8 | ) |  |  | ($35.2 | ) |  |  | ($41.6 | )
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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