Regulatory Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

The below table provides a summary of the initial proposed delivery rate increases, delivery revenue percentages and total revenue percentages for all four businesses:



	Requested Revenue Increase		Delivery Revenue		Total Revenue
Utility	(Millions)		%		%
NYSEG Electric	$	156.7	20.4	%	10.4	%
NYSEG Gas	$	6.3	3.0	%	1.4	%
RG&E Electric	$	31.7	7.0	%	4.1	%
RG&E Gas	$	5.8	3.3	%	1.4	%

Schedule of Current and Non-Current Regulatory Assets

Regulatory assets as of March 31, 2020 and December 31, 2019, respectively, consisted of:



	March 31,		December 31,
As of	2020		2019
(Millions)
Pension and other post-retirement benefits cost deferrals	$	113	$	125
Pension and other post-retirement benefits	1,027		1,061
Storm costs	332		272
Rate adjustment mechanism	28		79
Revenue decoupling mechanism	61		19
Transmission revenue reconciliation mechanism	5		5
Contracts for differences	95		92
Hardship programs	24		29
Plant decommissioning	3		5
Deferred purchased gas	2		25
Deferred transmission expense	19		11
Environmental remediation costs	273		277
Debt premium	92		97
Unamortized losses on reacquired debt	29		29
Unfunded future income taxes	402		399
Federal tax depreciation normalization adjustment	152		153
Asset retirement obligation	20		17
Deferred meter replacement costs	26		27
Other	164		139
Total regulatory assets	2,867		2,861
Less: current portion	299		294
Total non-current regulatory assets	$	2,568	$	2,567

Schedule of Current and Non-Current Regulatory Liabilities

Regulatory liabilities as of March 31, 2020 and December 31, 2019, respectively, consisted of:



	March 31,		December 31,
As of	2020		2019
(Millions)
Energy efficiency portfolio standard	$	71	$	72
Gas supply charge and deferred natural gas cost	18		11
Pension and other post-retirement benefits cost deferrals	75		80
Carrying costs on deferred income tax bonus depreciation	43		49
Carrying costs on deferred income tax - Mixed Services 263(a)	14		15
2017 Tax Act	1,559		1,548
Revenue decoupling mechanism	11		17
Accrued removal obligations	1,179		1,173
Asset sale gain account	10		10
Economic development	27		27
Positive benefit adjustment	36		37
Theoretical reserve flow thru impact	12		14
Deferred property tax	35		17
Net plant reconciliation	23		23
Debt rate reconciliation	72		67
Rate refund – FERC ROE proceeding	32		32
Transmission congestion contracts	24		23
Merger-related rate credits	15		16
Accumulated deferred investment tax credits	13		13
Asset retirement obligation	17		14
Earning sharing provisions	28		28
Middletown/Norwalk local transmission network service collections	18		18
Low income programs	31		33
Non-firm margin sharing credits	12		16
New York 2018 winter storm settlement	11		11
Other	175		159
Total regulatory liabilities	3,561		3,523
Less: current portion	260		242
Total non-current regulatory liabilities	$	3,301	$	3,281