REGULATORY ASSETS AND REGULATORY LIABILITIES (Tables)

3 Months Ended

Mar. 31, 2018

Regulatory Assets and Liabilities Disclosure [Abstract]

Schedule of Regulatory Assets

SJI's and SJG's Regulatory Assets consisted of the following items (in thousands):

	March 31, 2018		December 31, 2017
Environmental Remediation Costs:
Expended - Net	$	110,529	$	100,327
Liability for Future Expenditures	161,263		171,696
Deferred Asset Retirement Obligation Costs	42,622		42,368
Deferred Pension and Other Postretirement Benefit Costs	78,211		78,211
Deferred Gas Costs - Net	54,351		16,838
Conservation Incentive Program Receivable	12,118		26,652
Societal Benefit Costs Receivable	2,699		2,484
Deferred Interest Rate Contracts	6,006		7,028
Energy Efficiency Tracker	1,832		2,094
Pipeline Supplier Service Charges	686		708
Pipeline Integrity Cost	4,977		5,280
AFUDC - Equity Related Deferrals	12,899		12,785
Other Regulatory Assets	3,436		2,753
Total Regulatory Assets	$	491,629	$	469,224

Schedule of Regulatory Liabilities

SJI's and SJG's Regulatory Liabilities consisted of the following items (in thousands):

	March 31, 2018		December 31, 2017
Excess Plant Removal Costs	$	23,527	$	23,295
Excess Deferred Taxes	276,831		263,810
Total Regulatory Liabilities	$	300,358	$	287,105