Property, Plant, and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment - Balances

Property, plant, and equipment consisted of the following at December 31:

(in millions)	2020		2019
Electric – generation	$	7,015.3	$	6,858.8
Electric – distribution	7,455.5		7,018.1
Natural gas – distribution, storage, and transmission	12,730.0		11,602.7
Other	1,896.1		1,696.7
Less: Accumulated depreciation	8,465.0		8,073.7
Net	20,631.9		19,102.6
CWIP	683.9		820.4
Net utility and non-utility property, plant, and equipment	21,315.8		19,923.0
We Power generation	3,238.8		3,245.7
Renewable generation	1,213.3		716.5
Natural gas storage	250.0		245.9
Net non-utility energy infrastructure	4,702.1		4,208.1
Corporate services	212.3		180.4
Other	41.8		88.8
Less: Accumulated depreciation	899.7		805.0
Net	4,056.5		3,672.3
CWIP	335.1		24.8
Net other property, plant, and equipment	4,391.6		3,697.1
Total property, plant, and equipment	$	25,707.4	$	23,620.1