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Property, Plant and Equipment
 9 Months Ended
Sep. 30, 2019
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment
The following presents the categories within property, plant and equipment (in millions):
 
September 30,
 
December 31,
 
2019
 
2018
Operating wind farms
$
5,001

 
$
4,972

Transmission line
94

 
94

Furniture, fixtures and equipment
19

 
16

Subtotal
5,114

 
5,082

Less: accumulated depreciation
(1,197
)
 
(963
)
Property, plant and equipment, net
$
3,917

 
$
4,119


The Company recorded depreciation expense related to property, plant and equipment of $75 million and $230 million for the three and nine months ended September 30, 2019, respectively, and recorded $54 million and $162 million for the same periods in the prior year, respectively.