REGULATORY ASSETS AND LIABILITIES

9 Months Ended

Sep. 30, 2020

Regulatory Assets and Liabilities Disclosure [Abstract]

REGULATORY ASSETS AND LIABILITIES

REGULATORY ASSETS AND LIABILITIES

The following regulatory assets and liabilities were reflected on our balance sheets at September 30, 2020 and December 31, 2019. For more information on our regulatory assets and liabilities, see Note 5, Regulatory Assets and Liabilities, in our 2019 Annual Report on Form 10-K.

(in millions)	September 30, 2020		December 31, 2019
Regulatory assets
Pension and OPEB costs	$	137.8	$	151.8
Environmental remediation costs	112.4		113.5
Plant retirements	57.9		55.3
Income tax related items	44.6		38.9
ReACT™	18.8		20.8
Asset retirement obligations	16.5		8.4
Forward Wind Energy Center	12.2		17.9
Termination of a tolling agreement with Fox Energy Company LLC	5.8		9.9
Other, net	18.6		21.4
Total regulatory assets	$	424.6	$	437.9

(in millions)	September 30, 2020		December 31, 2019
Regulatory liabilities
Income tax related items	$	402.5	$	416.7
Removal costs	196.5		201.8
Pension and OPEB benefits	98.6		100.5
Earnings sharing mechanism	32.5		42.0
Energy costs refundable through rate adjustments	10.9		20.0
Electric transmission costs	14.2		3.7
Other, net	11.5		11.5
Total regulatory liabilities	$	766.7	$	796.2
Balance sheet presentation
Other current liabilities	$	5.2	$	13.7
Regulatory liabilities	761.5		782.5
Total regulatory liabilities	$	766.7	$	796.2