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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2016
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
PROPERTY, PLANT AND EQUIPMENT
The following tables summarize the property, plant and equipment for Duke Energy and its subsidiary registrants.
 
December 31, 2016
 
Estimated
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Useful
 
 
 
Duke

 
 
 
Duke

 
Duke

 
Duke

 
Duke

 
Life
 
Duke

 
Energy

 
Progress

 
Energy

 
Energy

 
Energy

 
Energy

(in millions)
(Years)
 
Energy

 
Carolinas

 
Energy

 
Progress

 
Florida

 
Ohio

 
Indiana

Land
 
 
$
1,501

 
$
432

 
$
735

 
$
393

 
$
342

 
$
150

 
$
106

Plant – Regulated
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Electric generation, distribution and transmission
8 - 100
 
89,864

 
34,515

 
37,596

 
23,683

 
13,913

 
4,593

 
13,160

Natural gas transmission and distribution
12 - 67
 
7,738

 

 

 

 

 
2,456

 

Other buildings and improvements
15 - 100
 
1,692

 
502

 
634

 
293

 
341

 
211

 
197

Plant – Nonregulated
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Electric generation, distribution and transmission
5 - 30
 
4,298

 

 

 

 

 

 

Other buildings and improvements
25 - 35
 
421

 

 

 

 

 

 

Nuclear fuel
 
 
3,572

 
2,092

 
1,480

 
1,480

 

 

 

Equipment
3 - 38
 
1,941

 
358

 
505

 
378

 
127

 
338

 
156

Construction in process
 
 
6,186

 
2,324

 
2,708

 
1,329

 
1,379

 
206

 
396

Other
5 - 40
 
4,184

 
904

 
1,206

 
863

 
332

 
172

 
226

Total property, plant and equipment(a)(d)
 
 
121,397

 
41,127

 
44,864

 
28,419

 
16,434

 
8,126

 
14,241

Total accumulated depreciation – regulated(b)(c)(d)
 
 
(37,831
)
 
(14,365
)
 
(15,212
)
 
(10,561
)
 
(4,644
)
 
(2,579
)
 
(4,317
)
Total accumulated depreciation – nonregulated(c)(d)
 
 
(1,575
)
 

 

 

 

 

 

Generation facilities to be retired, net
 
 
529

 

 
529

 
529

 

 

 

Total net property, plant and equipment
 
 
$
82,520


$
26,762


$
30,181


$
18,387


$
11,790


$
5,547

 
$
9,924

(a)
Includes capitalized leases of $1,355 million, $40 million, $288 million, $142 million, $146 million, $81 million and $35 million at Duke Energy, Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio and Duke Energy Indiana, respectively, primarily within Plant – Regulated. The Progress Energy, Duke Energy Progress and Duke Energy Florida amounts are net of $99 million, $9 million and $90 million, respectively, of accumulated amortization of capitalized leases.
(b)
Includes $1,922 million, $1,192 million, $730 million and $730 million of accumulated amortization of nuclear fuel at Duke Energy, Duke Energy Carolinas, Progress Energy and Duke Energy Progress, respectively.
(c)
Includes accumulated amortization of capitalized leases of $50 million, $9 million, $19 million and $8 million at Duke Energy, Duke Energy Carolinas, Duke Energy Ohio and Duke Energy Indiana, respectively.
(d)
Includes gross property, plant and equipment cost of consolidated VIEs of $2,591 million and accumulated depreciation of consolidated VIEs of $411 million at Duke Energy.
 
December 31, 2015
 
Estimated
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Useful
 
 
 
Duke

 
 
 
Duke

 
Duke

 
Duke

 
Duke

 
Life
 
Duke

 
Energy

 
Progress

 
Energy

 
Energy

 
Energy

 
Energy

(in millions)
(Years)
 
Energy

 
Carolinas

 
Energy

 
Progress

 
Florida

 
Ohio

 
Indiana

Land
 
 
$
1,391

 
$
407

 
$
719

 
$
392

 
$
327

 
$
118

 
$
108

Plant – Regulated
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Electric generation, distribution and transmission
8 - 100
 
87,593

 
33,623

 
36,422

 
22,888

 
13,534

 
4,429

 
13,118

Natural gas transmission and distribution
12 - 67
 
2,322

 

 

 

 

 
2,322

 

Other buildings and improvements
15 - 100
 
1,480

 
477

 
621

 
294

 
322

 
204

 
179

Plant – Nonregulated
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Electric generation, distribution and transmission
1 - 30
 
3,348

 

 

 

 

 

 

Other buildings and improvements
25 - 35
 
410

 

 

 

 

 

 

Nuclear fuel
 
 
3,194

 
1,827

 
1,367

 
1,367

 

 

 

Equipment
3 - 38
 
1,736

 
368

 
530

 
398

 
132

 
344

 
173

Construction in process
 
 
4,485

 
1,860

 
1,827

 
1,118

 
709

 
180

 
214

Other
5 - 60
 
4,008

 
836

 
1,180

 
856

 
319

 
153

 
215

Total property, plant and equipment(a)(d)
 
 
109,967

 
39,398

 
42,666

 
27,313

 
15,343

 
7,750

 
14,007

Total accumulated depreciation – regulated(b)(c)(d)
 
 
(35,367
)
 
(13,521
)
 
(14,867
)
 
(10,141
)
 
(4,720
)
 
(2,507
)
 
(4,484
)
Total accumulated depreciation – nonregulated(c)(d)
 
 
(1,369
)
 

 

 

 

 

 

Generation facilities to be retired, net
 
 
548

 

 
548

 
548

 

 

 

Total net property, plant and equipment
 
 
$
73,779

 
$
25,877

 
$
28,347

 
$
17,720

 
$
10,623

 
$
5,243

 
$
9,523

(a)
Includes capitalized leases of $1,465 million, $40 million, $302 million, $144 million, $158 million, $96 million and $39 million at Duke Energy, Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio and Duke Energy Indiana, respectively, primarily in regulated plant. The Progress Energy, Duke Energy Progress and Duke Energy Florida amounts are net of $85 million, $7 million and $78 million, respectively, of accumulated amortization of capitalized leases.
(b)
Includes $1,621 million, $976 million, $645 million and $645 million of accumulated amortization of nuclear fuel at Duke Energy, Duke Energy Carolinas, Progress Energy and Duke Energy Progress, respectively.
(c)
Includes accumulated amortization of capitalized leases of $57 million, $11 million, $27 million and $7 million at Duke Energy, Duke Energy Carolinas, Duke Energy Ohio and Duke Energy Indiana, respectively.
(d)
Includes gross property, plant and equipment cost of consolidated VIEs of $2,033 million and accumulated depreciation of consolidated VIEs of $327 million at Duke Energy.
The following table presents capitalized interest, which includes the debt component of AFUDC.
 
Years Ended December 31,
(in millions)
2016

 
2015

 
2014

Duke Energy
$
100

 
$
98

 
$
75

Duke Energy Carolinas
38

 
38

 
38

Progress Energy
31

 
24

 
11

Duke Energy Progress
17

 
20

 
10

Duke Energy Florida
14

 
4

 
1

Duke Energy Ohio
8

 
10

 
10

Duke Energy Indiana
7

 
6

 
6


Operating Leases
Duke Energy's Commercial Renewables segment operates various renewable energy projects and sells the generated output to utilities, electric cooperatives, municipalities and commercial and industrial customers through long-term contracts. In certain situations, these long-term contracts and the associated renewable energy projects qualify as operating leases. Rental income from these leases is accounted for as Operating Revenues in the Consolidated Statements of Operations. There are no minimum lease payments as all payments are contingent based on actual electricity generated by the renewable energy projects. Contingent lease payments were $216 million, $172 million and $164 million for the years ended December 31, 2016, 2015 and 2014. As of December 31, 2016, renewable energy projects owned by Duke Energy and accounted for as operating leases had a cost basis of $3,127 million and accumulated depreciation of $347 million. These assets are principally classified as nonregulated electric generation and transmission assets.