CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net Cash Provided by Operating Activities	$ 95,201	$ 79,528
Cash Flows from Investing Activities:
Capital Expenditures	(58,816)	(67,278)
Proceeds from Sale of Property, Plant & Equipment	0	3,058
Investment in Long-Term Receivables	(1,916)	(2,362)
Proceeds from Long-Term Receivables	2,390	2,554
Notes Receivable	0	3,000
Purchase of Company-Owned Life Insurance	(279)	(8,074)
Investment in Affiliate	(3,975)	(5,902)
Net Repayment of Notes Receivable - Affiliate	1,065	2,251
Net Cash Used in Investing Activities	(61,531)	(72,753)
Cash Flows from Financing Activities:
Net Repayments of Short-Term Credit Facilities	(98,300)	(91,000)
Proceeds from Issuance of Long-Term Debt	50,000	273,000
Principal Repayments of Long-Term Debt	0	(200,000)
Payments for Issuance of Long-Term Debt	(1,264)	(2,021)
Net Settlement of Restricted Stock	(776)	(751)
Net Cash Provided by Financing Activities	(50,340)	(20,772)
Net Decrease in Cash, Cash Equivalents and Restricted Cash	(16,670)	(13,997)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	39,695	31,910
Cash, Cash Equivalents and Restricted Cash at End of Period	23,025	17,913
South Jersey Gas Company
Net Cash Provided by Operating Activities	44,492	56,986
Cash Flows from Investing Activities:
Capital Expenditures	(54,960)	(56,086)
Investment in Long-Term Receivables	(1,916)	(2,362)
Proceeds from Long-Term Receivables	2,390	2,554
Purchase of Company-Owned Life Insurance	0	(4,875)
Net Cash Used in Investing Activities	(54,486)	(60,769)
Cash Flows from Financing Activities:
Net Repayments of Short-Term Credit Facilities	11,100	(104,300)
Proceeds from Issuance of Long-Term Debt	0	273,000
Principal Repayments of Long-Term Debt	0	(200,000)
Payments for Issuance of Long-Term Debt	(5)	(2,021)
Additional Investment by Shareholder	0	40,000
Net Cash Provided by Financing Activities	11,095	6,679
Net Decrease in Cash, Cash Equivalents and Restricted Cash	1,101	2,896
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	4,619	1,391
Cash, Cash Equivalents and Restricted Cash at End of Period	$ 5,720	$ 4,287