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ACQUISITIONS (Tables)
6 Months Ended
Jun. 30, 2018
Forward Wind Energy Center Acquisition  
Business Acquisition [Line Items]  
Allocation of purchase price
The table below shows the allocation of the purchase price to the assets acquired at the date of the acquisition, which are included in rate base.
(in millions)
 
 
Current assets
 
$
0.2

Net property, plant, and equipment
 
76.9

Total purchase price
 
$
77.1

Bluewater  
Business Acquisition [Line Items]  
Allocation of purchase price
The table below shows the allocation of the purchase price to the assets acquired and liabilities assumed at the date of the acquisition. The excess of the purchase price over the estimated fair values of the assets acquired and liabilities assumed was recognized as goodwill. Bluewater is included in the non-utility energy infrastructure segment. See Note 17, Segment Information, for more information.
(in millions)
 
 
Current assets
 
$
2.0

Net property, plant, and equipment
 
218.3

Goodwill
 
6.6

Current liabilities
 
(0.9
)
Total purchase price
 
$
226.0