REGULATORY ASSETS AND LIABILITIES

9 Months Ended

Sep. 30, 2020

Regulatory Assets and Liabilities Disclosure [Abstract]

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	$	986.0	$	1,066.6
Plant retirements	841.7		856.4
Environmental remediation costs	696.6		685.5
Income tax related items	456.0		457.8
Asset retirement obligations	201.2		137.5
SSR	137.4		151.5
Uncollectible expense	66.3		52.2
COVID-19 (1)	23.3		—
Derivatives	11.6		33.8
We Power generation	7.1		25.8
Other, net	57.2		60.5
Total regulatory assets	$	3,484.4	$	3,527.6

Balance sheet presentation
Other current assets	$	22.2	$	20.9
Regulatory assets	3,462.2		3,506.7
Total regulatory assets	$	3,484.4	$	3,527.6

(1)See Note 24, Regulatory Environment, for more information.


(in millions)	September 30, 2020		December 31, 2019
Regulatory liabilities
Income tax related items	$	2,163.8	$	2,248.8
Removal costs	1,213.3		1,181.5
Pension and OPEB benefits	337.8		354.9
Energy costs refundable through rate adjustments	76.8		89.8
Electric transmission costs	70.8		42.2
Derivatives	35.5		6.7
Uncollectible expense	34.1		39.1
Earnings sharing mechanisms	33.6		43.5
Decoupling	25.6		36.8
Energy efficiency programs	13.3		30.7
Other, net	7.8		6.4
Total regulatory liabilities	$	4,012.4	$	4,080.4

Balance sheet presentation
Other current liabilities	$	73.1	$	87.6
Regulatory liabilities	3,939.3		3,992.8
Total regulatory liabilities	$	4,012.4	$	4,080.4