PROPERTY, PLANT, AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment -Balances

Property, plant, and equipment consisted of the following utility and non-utility assets at December 31:

(in millions)	2021		2020
Electric – generation	$	2,816.7	$	2,981.5
Electric – distribution	2,076.3		1,921.2
Natural gas – distribution, storage, and transmission	1,159.5		1,064.1
Property, plant, and equipment to be retired, net	277.0		—
Other	482.5		434.8
Less: Accumulated depreciation	1,808.4		1,750.7
Net	5,003.6		4,650.9
CWIP	95.0		235.0
Total property, plant, and equipment	$	5,098.6	$	4,885.9

Schedule of activity related to severance liability

We have severance liabilities related to past and future plant retirements recorded in other current liabilities on our balance sheets. Activity related to these severance liabilities for the years ended December 31 was as follows:

(in millions)	2021		2020		2019
Severance liability at January 1	$	—	$	—	$	2.8
Severance expense	1.6		—		—
Severance payments	—		—		(1.5)
Other	—		—		(1.3)
Total severance liability at December 31	$	1.6	$	—	$	—