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SEGMENTS OF BUSINESS (Tables)
12 Months Ended
Dec. 31, 2016
Segment Reporting [Abstract]  
Segments of Business
Information about SJI’s operations in different reportable operating segments is presented below (in thousands):

 
2016
 
2015
 
2014
Operating Revenues:
 
 
 
 
 
Gas Utility Operations
$
461,055

 
$
534,290

 
$
501,875

Energy Group:
 
 
 
 
 
    Wholesale Energy Operations
220,707

 
129,098

 
77,048

Retail Gas and Other Operations
92,371

 
87,198

 
127,001

Retail Electric Operations
182,540

 
150,049

 
123,773

   Subtotal Energy Group
495,618

 
366,345

 
327,822

Energy Services:
 
 
 
 
 
On-Site Energy Production
94,375

 
63,665

 
56,129

Appliance Service Operations
7,898

 
11,186

 
10,518

Subtotal Energy Services
102,273

 
74,851

 
66,647

Corporate & Services
35,147

 
31,156

 
30,174

Subtotal
1,094,093

 
1,006,642

 
926,518

Intersegment Sales
(57,593
)
 
(47,074
)
 
(39,522
)
Total Operating Revenues
$
1,036,500

 
$
959,568

 
$
886,996


 
2016
 
2015
 
2014
Operating Income:
 

 
 

 
 

Gas Utility Operations
$
122,455

 
$
119,585

 
$
113,690

Energy Group:
 
 
 
 
 
    Wholesale Energy Operations
41,667

 
35,024

 
9,493

Retail Gas and Other Operations
4,680

 
(3,218
)
 
479

Retail Electric Operations
7,007

 
1,042

 
(466
)
   Subtotal Energy Group
53,354

 
32,848

 
9,506

Energy Services:
 
 
 
 
 
On-Site Energy Production
13,301

 
2,027

 
2,560

Appliance Service Operations
582

 
468

 
362

Subtotal Energy Services
13,883

 
2,495

 
2,922

Corporate and Services
(416
)
 
1,966

 
1,485

Total Operating Income
$
189,276

 
$
156,894

 
$
127,603


 
 
 
 
 
Depreciation and Amortization:
 

 
 

 
 

Gas Utility Operations
$
63,901

 
$
58,668

 
$
52,155

Energy Group:
 
 
 
 
 
    Wholesale Energy Operations
484

 
435

 
168

Retail Gas and Other Operations
337

 
161

 
83

   Subtotal Energy Group
821

 
596

 
251

Energy Services:
 
 
 
 
 
On-Site Energy Production
43,395

 
30,242

 
25,020

Appliance Service Operations
301

 
316

 
269

Subtotal Energy Services
43,696

 
30,558

 
25,289

Corporate and Services
1,400

 
1,220

 
816

Total Depreciation and Amortization
$
109,818

 
$
91,042

 
$
78,511


 
 
 
 
 
Interest Charges:
 

 
 

 
 

Gas Utility Operations
$
17,875

 
$
19,906

 
$
17,872

Energy Group:
 
 
 
 
 
    Wholesale Energy Operations

 
441

 
371

Retail Gas and Other Operations
350

 
185

 
267

   Subtotal Energy Group
350

 
626

 
638

Energy Services:
 
 
 
 
 
On-Site Energy Production
11,961

 
8,169

 
8,723

Corporate and Services
12,118

 
11,822

 
8,803

Subtotal
42,304

 
40,523

 
36,036

Intersegment Borrowings
(10,855
)
 
(8,901
)
 
(6,476
)
Total Interest Charges
$
31,449

 
$
31,622

 
$
29,560


 
2016
 
2015
 
2014
 
 
 
 
 
 
Income Taxes:
 
 
 
 
 
Gas Utility Operations
$
39,366

 
$
36,945

 
$
34,895

Energy Group:
 
 
 
 
 
    Wholesale Energy Operations
15,882

 
14,410

 
4,822

Retail Gas and Other Operations
2,118

 
(978
)
 
787

Retail Electric Operations
2,862

 
426

 
(190
)
   Subtotal Energy Group
20,862

 
13,858

 
5,419

Energy Services:
 
 
 
 
 
On-Site Energy Production
(6,353
)
 
(49,225
)
 
(36,404
)
Appliance Service Operations
232

 
186

 
223

Subtotal Energy Services
(6,121
)
 
(49,039
)
 
(36,181
)
Corporate and Services
44

 
(404
)
 
316

Total Income Taxes
$
54,151

 
$
1,360

 
$
4,449

 
 
 
 
 
 
Property Additions:
 
 
 
 
 
Gas Utility Operations
$
228,275

 
$
218,260

 
$
201,737

Energy Group:
 
 
 
 
 
    Wholesale Energy Operations
7

 
382

 
18

Retail Gas and Other Operations
1,642

 
2,053

 
1,421

   Subtotal Energy Group
1,649

 
2,435

 
1,439

Energy Services:
 
 
 
 
 
On-Site Energy Production (1)
38,193

 
139,018

 
132,214

Appliance Service Operations
431

 
379

 
84

Subtotal Energy Services
38,624

 
139,397

 
132,298

Corporate and Services
1,141

 
1,902

 
3,995

Total Property Additions
$
269,689

 
$
361,994

 
$
339,469


(1) The property additions for On-Site Energy Production in 2016 and 2015 do not include the approximately $5.6 million and $40.9 million of Property, Plant and Equipment obtained through the acquisition of eight Energenic projects as discussed in Note 3.

 
2016
 
2015
Identifiable Assets (See Note 1):
 
 
 
Gas Utility Operations
$
2,551,923

 
$
2,281,576

Energy Group:
 
 
 
    Wholesale Energy Operations
233,019

 
231,660

Retail Gas and Other Operations
52,729

 
55,111

Retail Electric Operations
41,280

 
55,528

   Subtotal Energy Group
327,028

 
342,299

Energy Services:
 
 
 
On-Site Energy Production
767,710

 
790,231

Appliance Service Operations
2,879

 
4,885

Subtotal Energy Services
770,589

 
795,116

Discontinued Operations
1,756

 
1,545

Corporate and Services
649,795

 
652,325

Intersegment Assets
(570,524
)
 
(600,928
)
Total Identifiable Assets
$
3,730,567

 
$
3,471,933