Information about SJI’s operations in different reportable operating segments is presented below (in thousands):



	Three Months Ended March 31,
	2019			2018
Operating Revenues:
SJI Utilities:
SJG Utility Operations	$	272,198		$	234,459
ETG Utility Operations	140,174			—
ELK Utility Operations	3,374			—
Subtotal SJI Utilities	415,746			234,459
Energy Group:
Wholesale Energy Operations	190,007			190,343
Retail Gas and Other Operations	—			40,201
Retail Electric Operations	22,691			44,035
Subtotal Energy Group	212,698			274,579
Energy Services:
On-Site Energy Production	11,330			21,157
Appliance Service Operations	531			520
Subtotal Energy Services	11,861			21,677
Corporate and Services	9,371			13,000
Subtotal	649,676			543,715
Intersegment Sales	(12,378		)	(21,770		)
Total Operating Revenues	$	637,298		$	521,945



	Three Months Ended March 31,
	2019			2018
Operating Income:
SJI Utilities:
SJG Utility Operations	$	98,345		$	92,801
ETG Utility Operations	44,149			—
ELK Utility Operations	630			—
Subtotal SJI Utilities	143,124			92,801
Energy Group:
Wholesale Energy Operations	(2,506		)	75,657
Retail Gas and Other Operations	—			(5,758		)
Retail Electric Operations	(1,656		)	(208		)
Subtotal Energy Group	(4,162		)	69,691
Energy Services:
On-Site Energy Production	118			(554		)
Appliance Service Operations	595			503
Subtotal Energy Services	713			(51		)
Corporate and Services	(5,122		)	(4,571		)
Total Operating Income	$	134,553		$	157,870

Depreciation and Amortization:
SJI Utilities:
SJG Utility Operations	$	22,702		$	20,315
ETG Utility Operations	6,658			—
ELK Utility Operations	112			—
Subtotal SJI Utilities	29,472			20,315
Energy Group:
Wholesale Energy Operations	23			23
Retail Gas and Other Operations	—			75
Subtotal Energy Group	23			98
Energy Services:
On-Site Energy Production	1,252			10,271
Appliance Service Operations	—			—
Subtotal Energy Services	1,252			10,271
Corporate and Services	1,244			3,214
Total Depreciation and Amortization	$	31,991		$	33,898

Interest Charges:
SJI Utilities:
SJG Utility Operations	$	7,848		$	6,728
ETG Utility Operations	6,321			—
ELK Utility Operations	6			—
Subtotal SJI Utilities	14,175			6,728
Energy Group:
Wholesale Energy Operations	—			—
Retail Gas and Other Operations	—			146
Subtotal Energy Group	—			146



Energy Services:
On-Site Energy Production	2,285			3,847
Midstream	544			426
Corporate and Services	15,404			7,470
Subtotal	32,408			18,617
Intersegment Borrowings	(3,755		)	(4,645		)
Total Interest Charges	$	28,653		$	13,972



	Three Months Ended March 31,
	2019			2018
Income Taxes:
SJI Utilities:
SJG Utility Operations	$	23,697		$	21,836
ETG Utility Operations	6,902			—
ELK Utility Operations	163			—
Subtotal SJI Utilities	30,762			21,836
Energy Group:
Wholesale Energy Operations	(477		)	19,127
Retail Gas and Other Operations	—			(1,534		)
Retail Electric Operations	(249		)	(58		)
Subtotal Energy Group	(726		)	17,535
Energy Services:
On-Site Energy Production	(478		)	(1,157		)
Appliance Service Operations	167			131
Subtotal Energy Services	(311		)	(1,026		)
Midstream	(32		)	62
Corporate and Services	(4,744		)	(1,992		)
Total Income Taxes	$	24,949		$	36,415

Property Additions:
SJI Utilities:
SJG Utility Operations	$	55,305		$	50,237
ETG Utility Operations	38,024			—
ELK Utility Operations	645			—
Subtotal SJI Utilities	93,974			50,237
Energy Group:
Wholesale Energy Operations	—			5
Retail Gas and Other Operations	—			173
Subtotal Energy Group	—			178
Energy Services:
On-Site Energy Production	23			1,113
Appliance Service Operations	—			—
Subtotal Energy Services	23			1,113
Midstream	12			211
Corporate and Services	585			3,345
Total Property Additions	$	94,594		$	55,084



	March 31, 2019			December 31, 2018
Identifiable Assets:
SJI Utilities:
SJG Utility Operations	$	3,150,393		$	3,118,236
ETG Utility Operations	2,177,507			2,148,175
ELK Utility Operations	17,088			16,482
Subtotal SJI Utilities	5,344,988			5,282,893
Energy Group:
Wholesale Energy Operations	183,303			266,417
Retail Gas and Other Operations (A)	337			12,736
Retail Electric Operations	32,104			39,345
Subtotal Energy Group	215,744			318,498
Energy Services:
On-Site Energy Production	175,508			195,329
Appliance Service Operations	243			—
Subtotal Energy Services	175,751			195,329
Midstream	75,298			72,333
Discontinued Operations	1,758			1,777
Corporate and Services	270,381			387,482
Intersegment Assets	(220,558		)	(301,735		)
Total Identifiable Assets	$	5,863,362		$	5,956,577

(A) As of March 31, 2019, the remaining $0.3 million of assets in the retail gas and other operations segment represents outstanding accounts receivable balances.