CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment:
Utility Plant, at original cost	$ 5,350,943	$ 5,265,661
Accumulated Depreciation	(940,177)	(914,122)
Nonutility Property and Equipment, at cost	149,606	147,764
Accumulated Depreciation	(35,374)	(35,069)
Property, Plant and Equipment - Net	4,524,998	4,464,234
Investments:
Available-for-Sale Securities	32	32
Restricted	1,482	7,786
Investment in Affiliates	112,936	106,230
Total Investments	114,450	114,048
Current Assets:
Cash and Cash Equivalents	30,386	34,045
Accounts Receivable	327,832	278,723
Unbilled Revenues	68,155	85,423
Provision for Uncollectibles	(35,855)	(30,582)
Notes Receivable - Affiliate	2,536	2,847
Natural Gas in Storage, average cost	18,800	39,440
Materials and Supplies, average cost	1,749	2,561
Prepaid Taxes	13,623	23,851
Derivatives - Energy Related Assets	38,541	41,439
Other Prepayments and Current Assets	23,148	29,081
Total Current Assets	488,915	506,828
Regulatory and Other Noncurrent Assets:
Regulatory Assets	650,710	673,992
Derivatives - Energy Related Assets	16,084	6,935
Notes Receivable - Affiliate	30,835	31,073
Contract Receivables	43,934	41,428
Goodwill	706,960	706,960
Other	137,622	143,650
Total Regulatory and Other Noncurrent Assets	1,586,145	1,604,038
Total Assets	6,714,508	6,689,148
Equity:
Common Stock	128,215	125,740
Premium on Common Stock	1,193,552	1,218,000
Treasury Stock (at par)	(264)	(321)
Accumulated Other Comprehensive Loss	(38,208)	(38,216)
Retained Earnings	453,823	355,678
Total South Jersey Industries, Inc. Equity	1,737,118	1,660,881
Noncontrolling Interest	6,124	5,995
Total Equity	1,743,242	1,666,876
Long-Term Debt	3,063,394	2,776,400
Total Capitalization	4,806,636	4,443,276
Current Liabilities:
Notes Payable	171,300	596,400
Current Portion of Long-Term Debt	142,801	142,801
Accounts Payable	218,078	256,589
Customer Deposits and Credit Balances	29,039	35,899
Environmental Remediation Costs	47,803	45,265
Taxes Accrued	14,560	6,025
Derivatives - Energy Related Liabilities	21,837	27,006
Deferred Contract Revenues	514	479
Derivatives - Other Current	502	659
Dividends Payable	30,453	0
Interest Accrued	31,664	21,140
Pension Benefits	3,704	3,704
Other Current Liabilities	40,444	27,665
Total Current Liabilities	752,699	1,163,632
Deferred Credits and Other Noncurrent Liabilities:
Deferred Income Taxes - Net	188,800	149,534
Pension and Other Postretirement Benefits	132,199	135,023
Environmental Remediation Costs	139,954	148,310
Asset Retirement Obligations	203,539	202,092
Derivatives - Energy Related Liabilities	11,818	4,947
Derivatives - Other Noncurrent	6,939	9,279
Regulatory Liabilities	418,089	420,577
Other	53,835	12,478
Total Deferred Credits and Other Noncurrent Liabilities	1,155,173	1,082,240
Commitments and Contingencies  (Note 11)
Total Capitalization and Liabilities	6,714,508	6,689,148
SJG
Property, Plant and Equipment:
Utility Plant, at original cost	3,436,938	3,387,831
Accumulated Depreciation	(621,825)	(606,925)
Property, Plant and Equipment - Net	2,815,113	2,780,906
Investments:
Restricted	1,482	4,826
Total Investments	1,482	4,826
Current Assets:
Cash and Cash Equivalents	15,984	1,598
Accounts Receivable	130,286	88,657
Accounts Receivable - Related Parties	2,904	3,989
Unbilled Revenues	35,362	46,837
Provision for Uncollectibles	(20,473)	(17,359)
Natural Gas in Storage, average cost	4,643	14,050
Materials and Supplies, average cost	619	619
Prepaid Taxes	11,514	19,522
Derivatives - Energy Related Assets	4,382	4,053
Other Prepayments and Current Assets	8,870	12,710
Total Current Assets	194,091	174,676
Regulatory and Other Noncurrent Assets:
Regulatory Assets	473,402	495,084
Contract Receivables	43,934	41,428
Derivatives - Energy Related Assets	0	87
Other	26,117	25,258
Total Regulatory and Other Noncurrent Assets	543,453	561,857
Total Assets	3,554,139	3,522,265
Equity:
Common Stock	5,848	5,848
Premium on Common Stock	465,244	465,244
Accumulated Other Comprehensive Loss	(31,598)	(31,606)
Retained Earnings	947,858	864,240
Total Equity	1,387,352	1,303,726
Long-Term Debt	1,013,940	1,016,280
Total Capitalization	2,401,292	2,320,006
Current Liabilities:
Notes Payable	0	47,500
Current Portion of Long-Term Debt	52,809	52,809
Accounts Payable - Commodity	17,541	22,199
Accounts Payable - Other	37,070	44,186
Accounts Payable - Related Parties	7,098	11,049
Customer Deposits and Credit Balances	16,950	23,637
Environmental Remediation Costs	24,280	23,067
Taxes Accrued	8,543	3,942
Derivatives - Energy Related Liabilities	352	2,868
Derivatives - Other Current	502	659
Interest Accrued	13,653	10,961
Pension Benefits	3,669	3,669
Other Current Liabilities	7,127	7,798
Total Current Liabilities	189,594	254,344
Deferred Credits and Other Noncurrent Liabilities:
Deferred Income Taxes - Net	431,761	403,609
Pension and Other Postretirement Benefits	117,264	116,973
Environmental Remediation Costs	74,299	78,176
Asset Retirement Obligations	90,183	89,252
Derivatives - Energy Related Liabilities	275	190
Derivatives - Other Noncurrent	6,939	9,279
Regulatory Liabilities	237,738	245,360
Other	4,794	5,076
Total Deferred Credits and Other Noncurrent Liabilities	963,253	947,915
Commitments and Contingencies  (Note 11)
Total Capitalization and Liabilities	$ 3,554,139	$ 3,522,265