Regulatory Matters (Tables)

9 Months Ended

Sep. 30, 2018

Regulated Operations [Abstract]

Schedule of Regulatory Assets

Regulatory assets and liabilities at September 30, 2018 and December 31, 2017 were comprised of the following items:

	Con Edison		CECONY
(Millions of Dollars)	2018	2017	2018	2017
Regulatory assets
Unrecognized pension and other postretirement costs	$2,001	$2,526	$1,881	$2,376
Environmental remediation costs	754	793	653	677
Revenue taxes	287	260	274	248
MTA power reliability deferral	189	50	189	50
Property tax reconciliation	85	51	68	25
Deferred storm costs	80	38	—	—
Pension and other postretirement benefits deferrals	73	79	56	58
Municipal infrastructure support costs	73	56	73	56
Recoverable energy costs	62	60	57	52
Unamortized loss on reacquired debt	37	37	36	35
Meadowlands heater odorization project	36	18	36	18
Brooklyn Queens demand management program	30	37	30	37
Preferred stock redemption	23	24	23	24
Deferred derivative losses	21	44	16	37
Gate station upgrade project	19	13	19	13
Recoverable REV demonstration project costs	18	19	16	17
Indian Point Energy Center program costs	15	29	15	29
Workers’ compensation	6	10	6	10
O&R transition bond charges	3	9	—	—
Other	138	113	128	101
Regulatory assets – noncurrent	3,950	4,266	3,576	3,863
Deferred derivative losses	19	40	14	37
Recoverable energy costs	6	27	5	25
Regulatory assets – current	25	67	19	62
Total Regulatory Assets	$3,975	$4,333	$3,595	$3,925
Regulatory liabilities
Future income tax	$2,547	$2,545	$2,389	$2,390
Allowance for cost of removal less salvage	878	846	745	719
TCJA net benefits*	325	—	304	—
Energy efficiency portfolio standard unencumbered funds	127	127	122	122
Pension and other postretirement benefit deferrals	120	207	97	181
Net unbilled revenue deferrals	86	183	86	183
Unrecognized other postretirement costs	78	92	78	92
Property tax reconciliation	57	107	57	107
Property tax refunds	45	44	45	44
Settlement of prudence proceeding	44	66	44	66
Earnings sharing - electric, gas and steam	25	29	16	19
Carrying charges on repair allowance and bonus depreciation	24	43	24	42
New York State income tax rate change	21	36	22	35
Settlement of gas proceedings	16	27	16	27
Base rate change deferrals	13	21	13	21
Variable-rate tax-exempt debt – cost rate reconciliation	7	30	6	26
Net utility plant reconciliations	7	12	4	8
Other	204	162	174	137
Regulatory liabilities – noncurrent	4,624	4,577	4,242	4,219
Revenue decoupling mechanism	56	29	55	21
Refundable energy costs	32	41	12	16
Deferred derivative gains	20	31	18	28
Regulatory liabilities – current	108	101	85	65
Total Regulatory Liabilities	$4,732	$4,678	$4,327	$4,284

* See "Other Regulatory Matters," above.

Schedule of Regulatory Liabilities

Regulatory assets and liabilities at September 30, 2018 and December 31, 2017 were comprised of the following items:

	Con Edison		CECONY
(Millions of Dollars)	2018	2017	2018	2017
Regulatory assets
Unrecognized pension and other postretirement costs	$2,001	$2,526	$1,881	$2,376
Environmental remediation costs	754	793	653	677
Revenue taxes	287	260	274	248
MTA power reliability deferral	189	50	189	50
Property tax reconciliation	85	51	68	25
Deferred storm costs	80	38	—	—
Pension and other postretirement benefits deferrals	73	79	56	58
Municipal infrastructure support costs	73	56	73	56
Recoverable energy costs	62	60	57	52
Unamortized loss on reacquired debt	37	37	36	35
Meadowlands heater odorization project	36	18	36	18
Brooklyn Queens demand management program	30	37	30	37
Preferred stock redemption	23	24	23	24
Deferred derivative losses	21	44	16	37
Gate station upgrade project	19	13	19	13
Recoverable REV demonstration project costs	18	19	16	17
Indian Point Energy Center program costs	15	29	15	29
Workers’ compensation	6	10	6	10
O&R transition bond charges	3	9	—	—
Other	138	113	128	101
Regulatory assets – noncurrent	3,950	4,266	3,576	3,863
Deferred derivative losses	19	40	14	37
Recoverable energy costs	6	27	5	25
Regulatory assets – current	25	67	19	62
Total Regulatory Assets	$3,975	$4,333	$3,595	$3,925
Regulatory liabilities
Future income tax	$2,547	$2,545	$2,389	$2,390
Allowance for cost of removal less salvage	878	846	745	719
TCJA net benefits*	325	—	304	—
Energy efficiency portfolio standard unencumbered funds	127	127	122	122
Pension and other postretirement benefit deferrals	120	207	97	181
Net unbilled revenue deferrals	86	183	86	183
Unrecognized other postretirement costs	78	92	78	92
Property tax reconciliation	57	107	57	107
Property tax refunds	45	44	45	44
Settlement of prudence proceeding	44	66	44	66
Earnings sharing - electric, gas and steam	25	29	16	19
Carrying charges on repair allowance and bonus depreciation	24	43	24	42
New York State income tax rate change	21	36	22	35
Settlement of gas proceedings	16	27	16	27
Base rate change deferrals	13	21	13	21
Variable-rate tax-exempt debt – cost rate reconciliation	7	30	6	26
Net utility plant reconciliations	7	12	4	8
Other	204	162	174	137
Regulatory liabilities – noncurrent	4,624	4,577	4,242	4,219
Revenue decoupling mechanism	56	29	55	21
Refundable energy costs	32	41	12	16
Deferred derivative gains	20	31	18	28
Regulatory liabilities – current	108	101	85	65
Total Regulatory Liabilities	$4,732	$4,678	$4,327	$4,284

* See "Other Regulatory Matters," above.