Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

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,
	2020		2019		2018
Duke Energy	3.0	%	3.1	%	3.0	%
Duke Energy Carolinas	2.8	%	2.8	%	2.8	%
Progress Energy	3.2	%	3.1	%	2.9	%
Duke Energy Progress	3.1	%	3.1	%	2.9	%
Duke Energy Florida	3.3	%	3.1	%	3.0	%
Duke Energy Ohio	2.9	%	2.6	%	2.8	%
Duke Energy Indiana	3.5	%	3.3	%	3.3	%
Piedmont	2.3	%	2.4	%	2.5	%

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

	December 31, 2020
	Average
	Remaining			Duke				Duke		Duke		Duke		Duke
	Useful Life	Duke		Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	(Years)	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Land		$	2,046	$	536	$	908	$	463	$	445	$	171	$	118	$	279
Plant – Regulated
Electric generation, distribution and transmission	39	117,107		44,059		50,785		31,375		19,410		6,255		16,008		—
Natural gas transmission and distribution	54	10,799		—		—		—		—		3,136		—		7,663
Other buildings and improvements	36	2,038		740		459		197		262		374		300		165
Plant – Nonregulated
Electric generation, distribution and transmission	27	5,444		—		—		—		—		—		—		—
Other buildings and improvements	10	519		—		—		—		—		—		—		—
Nuclear fuel		3,284		1,837		1,447		1,447		—		—		—		—
Equipment	15	2,608		620		759		498		261		385		238		122
Construction in process		6,645		1,645		2,013		709		1,304		407		409		581
Other	14	5,090		1,203		1,521		1,070		441		294		309		324
Total property, plant and equipment(a)(e)		155,580		50,640		57,892		35,759		22,123		11,022		17,382		9,134
Total accumulated depreciation – regulated(b)(c)		(46,216)		(17,453)		(18,368)		(12,801)		(5,560)		(3,013)		(5,661)		(1,749)
Total accumulated depreciation – nonregulated(d)(e)		(2,611)		—		—		—		—		—		—		—
Generation facilities to be retired, net		29		—		29		29		—		—		—		—
Total net property, plant and equipment		$	106,782	$	33,187	$	39,553	$	22,987	$	16,563	$	8,009	$	11,721	$	7,385

(a)    Includes finance leases of $832 million, $335 million, $416 million, $297 million, $119 million and $10 million at Duke Energy, Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida and Duke Energy Indiana, respectively, primarily within Plant – Regulated. The Progress Energy, Duke Energy Progress and Duke Energy Florida amounts are net of $141 million, $24 million and $117 million, respectively, of accumulated amortization of finance leases.

(b)    Includes $1,832 million, $1,010 million, $822 million and $822 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 finance leases of $12 million, $23 million and $3 million at Duke Energy, Duke Energy Carolinas and Duke Energy Indiana, respectively.

(d)    Includes accumulated amortization of finance leases of $23 million at Duke Energy.

(e)    Includes gross property, plant and equipment cost of consolidated VIEs of $6,394 million and accumulated depreciation of consolidated VIEs of $1,242 million at Duke Energy.

	December 31, 2019
	Average
	Remaining			Duke				Duke		Duke		Duke		Duke
	Useful Life	Duke		Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	(Years)	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Land		$	2,091	$	520	$	884	$	449	$	435	$	150	$	117	$	388
Plant – Regulated
Electric generation, distribution and transmission	39	111,739		42,723		48,142		30,018		18,124		5,838		15,032		—
Natural gas transmission and distribution	54	9,839		—		—		—		—		2,892		—		6,947
Other buildings and improvements	32	1,810		714		401		162		239		269		278		148
Plant – Nonregulated
Electric generation, distribution and transmission	28	5,103		—		—		—		—		—		—		—
Other buildings and improvements	9	488		—		—		—		—		—		—		—
Nuclear fuel		3,253		1,891		1,362		1,362		—		—		—		—
Equipment	13	2,313		546		665		452		213		319		205		128
Construction in process		6,102		1,389		2,149		1,114		1,035		504		381		531
Other	13	4,916		1,139		1,467		1,046		411		269		292		304
Total property, plant and equipment(a)(e)		147,654		48,922		55,070		34,603		20,457		10,241		16,305		8,446
Total accumulated depreciation – regulated(b)(c)		(43,419)		(16,525)		(17,159)		(11,915)		(5,236)		(2,843)		(5,233)		(1,681)
Total accumulated depreciation – nonregulated(d)(e)		(2,354)		—		—		—		—		—		—		—
Generation facilities to be retired, net		246		—		246		246		—		—		—		—
Total net property, plant and equipment		$	102,127	$	32,397	$	38,157	$	22,934	$	15,221	$	7,398	$	11,072	$	6,765

(a)    Includes finance leases of $952 million, $211 million, $443 million, $308 million, $135 million, and $10 million at Duke Energy, Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida and Duke Energy Indiana, respectively, primarily within Plant – Regulated. The Progress Energy, Duke Energy Progress and Duke Energy Florida amounts are net of $143 million, $17 million and $126 million, respectively, of accumulated amortization of finance leases.

(b)    Includes $1,807 million, $1,082 million, $725 million and $725 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 finance leases of $6 million, $13 million, and $3 million at Duke Energy, Duke Energy Carolinas and Duke Energy Indiana, respectively.

(d)    Includes accumulated amortization of finance leases of $20 million at Duke Energy.

(e)    Includes gross property, plant and equipment cost of consolidated VIEs of $5,747 million and accumulated depreciation of consolidated VIEs of $1,041 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)	2020		2019		2018
Duke Energy	$	112	$	159	$	161
Duke Energy Carolinas	28		30		35
Progress Energy	17		31		51
Duke Energy Progress	12		28		26
Duke Energy Florida	5		3		25
Duke Energy Ohio	26		22		17
Duke Energy Indiana	10		26		27
Piedmont	8		26		17