Consolidated Balance Sheets - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment:
Utility Plant, at original cost	$ 4,341,113	$ 2,652,244
Accumulated Depreciation	(787,243)	(498,161)
Nonutility Property and Equipment, at cost	152,232	741,027
Accumulated Depreciation	(52,629)	(194,913)
Property, Plant and Equipment - Net	3,653,473	2,700,197
Investments:
Available-for-Sale Securities	41	36
Restricted	1,649	31,876
Investment in Affiliates	76,122	62,292
Total Investments	77,812	94,204
Current Assets:
Cash and Cash Equivalents	30,030	7,819
Accounts Receivable	337,502	202,379
Unbilled Revenues	79,538	73,377
Provision for Uncollectibles	(18,842)	(13,988)
Notes Receivable - Affiliate	1,945	4,913
Natural Gas in Storage, average cost	60,425	48,513
Materials and Supplies, average cost	1,743	4,239
Prepaid Taxes	30,694	41,355
Derivatives - Energy Related Assets	54,021	42,139
Assets Held For Sale	59,588	0
Other Prepayments and Current Assets	26,548	28,247
Total Current Assets	663,192	438,993
Regulatory and Other Noncurrent Assets:
Regulatory Assets	662,969	469,224
Derivatives - Energy Related Assets	7,169	5,988
Notes Receivable - Affiliate	13,275	13,275
Contract Receivables	27,961	28,721
Goodwill	734,607	3,578
Other (See Note 1)	116,119	110,906
Total Regulatory and Other Noncurrent Assets	1,562,100	631,692
Total Assets	5,956,577	3,865,086
Common Stock: Par Value $1.25 per share; Authorized 120,000,000 shares; Outstanding Shares: 85,506,218 (2018) and 79,549,080 (2017)
Balance at Beginning of Year	99,436	99,347
Common Stock Issued or Granted Under Stock Plans	7,447	89
Balance at End of Year	106,883	99,436
Premium on Common Stock	843,268	709,658
Treasury Stock (at par)	(292)	(271)
Accumulated Other Comprehensive Loss	(26,095)	(36,765)
Retained Earnings	343,258	420,351
Total Equity	1,267,022	1,192,409
Long-Term Debt	2,106,863	1,122,999
Total Capitalization	3,373,885	2,315,408
Current Liabilities:
Notes Payable	270,500	346,400
Current Portion of Long-Term Debt	733,909	63,809
Accounts Payable	410,463	284,899
Customer Deposits and Credit Balances	32,058	43,398
Environmental Remediation Costs	47,592	66,372
Taxes Accrued	5,881	2,932
Derivatives - Energy Related Liabilities	24,134	46,938
Derivatives - Other Current	588	748
Deferred Contract Revenues	1,772	259
Interest Accrued	14,208	9,079
Pension Benefits	3,631	2,388
Other Current Liabilities	36,102	15,860
Total Current Liabilities	1,580,838	883,082
Deferred Credits and Other Noncurrent Liabilities:
Deferred Income Taxes - Net	85,836	86,884
Pension and Other Postretirement Benefits	110,112	101,544
Environmental Remediation Costs	206,058	106,483
Asset Retirement Obligations	80,163	59,497
Derivatives - Energy Related Liabilities	7,256	6,025
Derivatives - Other Noncurrent	7,285	9,622
Regulatory Liabilities	478,499	287,105
Other	26,645	9,436
Total Deferred Credits and Other Noncurrent Liabilities	1,001,854	666,596
Commitments and Contingencies (Note 15)
Total Capitalization and Liabilities	5,956,577	3,865,086
South Jersey Gas Company
Property, Plant and Equipment:
Utility Plant, at original cost	2,907,202	2,652,244
Accumulated Depreciation	(523,743)	(498,161)
Nonutility Property and Equipment, at cost	0	0
Property, Plant and Equipment - Net	2,383,459	2,154,083
Investments:
Restricted	1,278	2,912
Total Investments	1,278	2,912
Current Assets:
Cash and Cash Equivalents	1,984	1,707
Accounts Receivable	101,572	78,571
Accounts Receivable - Related Parties	2,442	988
Unbilled Revenues	43,271	54,980
Provision for Uncollectibles	(13,643)	(13,799)
Natural Gas in Storage, average cost	16,336	14,932
Materials and Supplies, average cost	619	825
Prepaid Taxes	28,772	38,326
Derivatives - Energy Related Assets	5,464	7,327
Other Prepayments and Current Assets	11,280	12,670
Total Current Assets	198,097	196,527
Regulatory and Other Noncurrent Assets:
Regulatory Assets	492,365	469,224
Long-Term Receivables	25,531	25,851
Derivatives - Energy Related Assets	15	5
Other (See Note 1)	17,491	17,372
Total Regulatory and Other Noncurrent Assets	535,402	512,452
Total Assets	3,118,236	2,865,974
Common Stock: Par Value $1.25 per share; Authorized 120,000,000 shares; Outstanding Shares: 85,506,218 (2018) and 79,549,080 (2017)
Balance at Beginning of Year	5,848
Balance at End of Year	5,848	5,848
Premium on Common Stock	355,744	355,744
Accumulated Other Comprehensive Loss	(22,357)	(25,997)
Retained Earnings	668,787	585,838
Total Equity	1,008,022	921,433
Long-Term Debt	874,507	758,052
Total Capitalization	1,882,529	1,679,485
Current Liabilities:
Notes Payable	107,500	52,000
Current Portion of Long-Term Debt	18,909	63,809
Accounts Payable - Commodity	48,490	43,341
Accounts Payable - Other	52,966	41,365
Accounts Payable - Related Parties	12,563	17,029
Customer Deposits and Credit Balances	23,862	41,656
Environmental Remediation Costs	33,022	66,040
Taxes Accrued	1,891	1,760
Derivatives - Energy Related Liabilities	2,146	9,270
Derivatives - Other Current	343	389
Interest Accrued	7,134	7,615
Pension Benefits	3,597	2,353
Other Current Liabilities	9,444	7,027
Total Current Liabilities	321,867	353,654
Deferred Credits and Other Noncurrent Liabilities:
Deferred Income Taxes - Net	325,886	280,746
Pension and Other Postretirement Benefits	96,053	88,871
Environmental Remediation Costs	115,049	105,656
Asset Retirement Obligations	79,890	58,714
Derivatives - Energy Related Liabilities	43	170
Derivatives - Other Noncurrent	5,524	6,639
Regulatory Liabilities	286,539	287,105
Other	4,856	4,934
Total Deferred Credits and Other Noncurrent Liabilities	913,840	832,835
Total Capitalization and Liabilities	$ 3,118,236	$ 2,865,974