Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Public Utility, Property, Plant and Equipment [Line Items]

Schedule Of Property, Plant And Equipment

The composite weighted average depreciation rates, excluding nuclear fuel, are included in the table that follows.

	Years Ended December 31,
	2018		2017		2016
Duke Energy	3.0	%	2.8	%	2.8	%
Duke Energy Carolinas	2.8	%	2.8	%	2.8	%
Progress Energy	2.9	%	2.6	%	2.7	%
Duke Energy Progress	2.9	%	2.6	%	2.6	%
Duke Energy Florida	3.0	%	2.8	%	2.8	%
Duke Energy Ohio	2.8	%	2.8	%	2.6	%
Duke Energy Indiana	3.3	%	3.0	%	3.1	%
Piedmont(a)	2.5	%	2.3	%

(a) Piedmont's weighted average depreciation rate was 2.4 percent for the annualized two months ended December 31, 2016, and for the year ended October 31, 2016.

The following tables summarize the property, plant and equipment for Duke Energy and its subsidiary registrants.

	December 31, 2018
	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			Piedmont
Land		$	2,072		$	472		$	868		$	445		$	423		$	136		$	116		$	448
Plant – Regulated
Electric generation, distribution and transmission	15-100	100,706			38,468			42,760			26,147			16,613			5,182			14,292			—
Natural gas transmission and distribution	12-80	8,808			—			—			—			—			2,719			—			6,089
Other buildings and improvements	24-90	1,966			681			636			295			341			270			253			126
Plant – Nonregulated
Electric generation, distribution and transmission	5-30	4,410			—			—			—			—			—			—			—
Other buildings and improvements	25-35	494			—			—			—			—			—			—			—
Nuclear fuel		3,460			1,898			1,562			1,562			—			—			—			—
Equipment	3-55	2,141			467			565			399			166			384			178			141
Construction in process		5,726			1,678			2,515			1,659			856			412			325			382
Other	3-40	4,675			1,077			1,354			952			393			257			279			300
Total property, plant and equipment(a)(d)		134,458			44,741			50,260			31,459			18,792			9,360			15,443			7,486
Total accumulated depreciation – regulated(b)(c)(d)		(41,079		)	(15,496		)	(16,398		)	(11,423		)	(4,968		)	(2,717		)	(4,914		)	(1,575		)
Total accumulated depreciation – nonregulated(c)(d)		(2,047		)	—			—			—			—			—			—			—
Generation facilities to be retired, net		362			—			362			362			—			—			—			—
Total net property, plant and equipment		$	91,694		$	29,245		$	34,224		$	20,398		$	13,824		$	6,643		$	10,529		$	5,911

(a) Includes capitalized leases of $1,237 million, $135 million, $257 million, $137 million, $120 million, $73 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 $131 million, $14 million and $117 million, respectively, of accumulated amortization of capitalized leases.

(b) Includes $1,947 million, $1,087 million, $860 million and $860 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 $61 million, $12 million, $20 million and $10 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 $4,007 million and accumulated depreciation of consolidated VIEs of $698 million at Duke Energy.

	December 31, 2017
	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			Piedmont
Land		$	1,559		$	467		$	767		$	424		$	343		$	134		$	111		$	41
Plant – Regulated
Electric generation, distribution and transmission	8-100	93,687			35,657			39,419			24,502			14,917			4,870			13,741			—
Natural gas transmission and distribution	12-80	8,292			—			—			—			—			2,559			—			5,733
Other buildings and improvements	15-100	1,936			647			652			316			336			243			240			154
Plant – Nonregulated
Electric generation, distribution and transmission(a)	5-30	4,273			—			—			—			—			—			—			—
Other buildings and improvements	25-35	465			—			—			—			—			—			—			—
Nuclear fuel		3,680			2,120			1,560			1,560			—			—			—			—
Equipment	3-55	2,122			402			555			416			139			348			169			266
Construction in process		6,995			2,614			3,059			1,434			1,625			350			416			231
Other	3-40	4,498			1,032			1,311			931			370			228			271			300
Total property, plant and equipment(b)(e)		127,507			42,939			47,323			29,583			17,730			8,732			14,948			6,725
Total accumulated depreciation – regulated(c)(d)(e)		(39,742		)	(15,063		)	(15,857		)	(10,903		)	(4,947		)	(2,691		)	(4,662		)	(1,479		)
Total accumulated depreciation – nonregulated(d)(e)		(1,795		)	—			—			—			—			—			—			—
Generation facilities to be retired, net		421			—			421			421			—			—			—			—
Total net property, plant and equipment		$	86,391		$	27,876		$	31,887		$	19,101		$	12,783		$	6,041		$	10,286		$	5,246

(a) Includes a pretax impairment charge of $58 million on a wholly owned non-contracted wind project. See discussion below.

(b) Includes capitalized leases of $1,294 million, $81 million, $272 million, $139 million, $133 million, $80 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 $114 million, $11 million and $103 million, respectively, of accumulated amortization of capitalized leases.

(c) Includes $2,113 million, $1,283 million, $831 million and $831 million of accumulated amortization of nuclear fuel at Duke Energy, Duke Energy Carolinas, Progress Energy and Duke Energy Progress, respectively.

(d) Includes accumulated amortization of capitalized leases of $57 million, $11 million, $21 million and $9 million at Duke Energy, Duke Energy Carolinas, Duke Energy Ohio and Duke Energy Indiana, respectively.

(e) Includes gross property, plant and equipment cost of consolidated VIEs of $3,941 million and accumulated depreciation of consolidated VIEs of $598 million at Duke Energy.

Schedule Of Capitalized Interest

The following tables present capitalized interest, which includes the debt component of AFUDC.

	Years Ended December 31,
(in millions)	2018		2017		2016
Duke Energy	$	161	$	128	$	100
Duke Energy Carolinas	35		45		38
Progress Energy	51		45		31
Duke Energy Progress	26		21		17
Duke Energy Florida	25		24		14
Duke Energy Ohio	17		10		8
Duke Energy Indiana	27		9		7

	Years Ended December 31,				Two Months Ended December 31,		Year Ended October 31,
(in millions)	2018		2017		2016		2016
Piedmont	$	17	$	12	$	2	$	12