Jointly Owned Utility Facilities (Tables)

12 Months Ended

Dec. 31, 2024

Jointly Owned Facilities [Line Items]

Jointly Owned Utility Facilities

At December 31, 2024 and 2023, the Balance Sheets reflect the owned interests in the generating plants listed below.

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
PPL
	December 31, 2024
	Trimble County Unit 1	75.00	%	$	462	$	124	$	1
	Trimble County Unit 2	75.00	%	1,549		323		10
	December 31, 2023
	Trimble County Unit 1	75.00	%	$	464	$	110	$	—
	Trimble County Unit 2	75.00	%	1,490		300		49
LG&E
	December 31, 2024
	E.W. Brown Units 6-7	38.00	%	$	53	$	29	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	52		30		—
	Trimble County Unit 1	75.00	%	462		124		1
	Trimble County Unit 2	14.25	%	472		79		5
	Trimble County Units 5-6	29.00	%	37		19		—
	Trimble County Units 7-10	37.00	%	82		41		1
	Cane Run Unit 7	22.00	%	137		27		—
	E.W. Brown Solar Unit	39.00	%	10		4		—
	Solar Share	44.00	%	3		—		—
	Mercer Solar	37.00	%	10		—		1
	Mill Creek 5	31.00	%	—		—		74
	Brown Wind	36.00	%	—		—		—
	December 31, 2023
	E.W. Brown Units 6-7	38.00	%	$	53	$	27	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	52		29		—
	Trimble County Unit 1	75.00	%	464		110		—
	Trimble County Unit 2	14.25	%	447		74		25
	Trimble County Units 5-6	29.00	%	37		17		—
	Trimble County Units 7-10	37.00	%	82		39		—
	Cane Run Unit 7	22.00	%	127		25		3
	E.W. Brown Solar Unit	39.00	%	10		3		—
	Solar Share	44.00	%	3		—		—
	Mercer Solar	37.00	%	7		—		—
	Mill Creek 5	31.00	%	—		—		2
	Brown Wind	36.00	%	—		—		—

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
KU
	December 31, 2024
	E.W. Brown Units 6-7	62.00	%	$	87	$	48	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	46		26		—
	Trimble County Unit 2	60.75	%	1,077		224		5
	Trimble County Units 5-6	71.00	%	87		44		—
	Trimble County Units 7-10	63.00	%	136		69		1
	Cane Run Unit 7	78.00	%	485		95		1
	E.W. Brown Solar Unit	61.00	%	16		6		—
	Solar Share	56.00	%	4		1		—
	Mercer Solar	63.00	%	16		—		2
	Mill Creek 5	69.00	%	—		—		164
	Brown Wind	64.00	%	1		—		—
	December 31, 2023
	E.W. Brown Units 6-7	62.00	%	$	87	$	45	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	46		25		—
	Trimble County Unit 2	60.75	%	1,043		227		24
	Trimble County Units 5-6	71.00	%	86		41		—
	Trimble County Units 7-10	63.00	%	135		65		—
	Cane Run Unit 7	78.00	%	449		90		10
	E.W. Brown Solar Unit	61.00	%	16		5		—
	Solar Share	56.00	%	4		—		—
	Mercer Solar	63.00	%	12		—		1
	Mill Creek 5	69.00	%	—		—		3
	Brown Wind	64.00	%	1		—		—

Louisville Gas And Electric Co [Member]

Jointly Owned Facilities [Line Items]

Jointly Owned Utility Facilities

At December 31, 2024 and 2023, the Balance Sheets reflect the owned interests in the generating plants listed below.

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
PPL
	December 31, 2024
	Trimble County Unit 1	75.00	%	$	462	$	124	$	1
	Trimble County Unit 2	75.00	%	1,549		323		10
	December 31, 2023
	Trimble County Unit 1	75.00	%	$	464	$	110	$	—
	Trimble County Unit 2	75.00	%	1,490		300		49
LG&E
	December 31, 2024
	E.W. Brown Units 6-7	38.00	%	$	53	$	29	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	52		30		—
	Trimble County Unit 1	75.00	%	462		124		1
	Trimble County Unit 2	14.25	%	472		79		5
	Trimble County Units 5-6	29.00	%	37		19		—
	Trimble County Units 7-10	37.00	%	82		41		1
	Cane Run Unit 7	22.00	%	137		27		—
	E.W. Brown Solar Unit	39.00	%	10		4		—
	Solar Share	44.00	%	3		—		—
	Mercer Solar	37.00	%	10		—		1
	Mill Creek 5	31.00	%	—		—		74
	Brown Wind	36.00	%	—		—		—
	December 31, 2023
	E.W. Brown Units 6-7	38.00	%	$	53	$	27	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	52		29		—
	Trimble County Unit 1	75.00	%	464		110		—
	Trimble County Unit 2	14.25	%	447		74		25
	Trimble County Units 5-6	29.00	%	37		17		—
	Trimble County Units 7-10	37.00	%	82		39		—
	Cane Run Unit 7	22.00	%	127		25		3
	E.W. Brown Solar Unit	39.00	%	10		3		—
	Solar Share	44.00	%	3		—		—
	Mercer Solar	37.00	%	7		—		—
	Mill Creek 5	31.00	%	—		—		2
	Brown Wind	36.00	%	—		—		—

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
KU
	December 31, 2024
	E.W. Brown Units 6-7	62.00	%	$	87	$	48	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	46		26		—
	Trimble County Unit 2	60.75	%	1,077		224		5
	Trimble County Units 5-6	71.00	%	87		44		—
	Trimble County Units 7-10	63.00	%	136		69		1
	Cane Run Unit 7	78.00	%	485		95		1
	E.W. Brown Solar Unit	61.00	%	16		6		—
	Solar Share	56.00	%	4		1		—
	Mercer Solar	63.00	%	16		—		2
	Mill Creek 5	69.00	%	—		—		164
	Brown Wind	64.00	%	1		—		—
	December 31, 2023
	E.W. Brown Units 6-7	62.00	%	$	87	$	45	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	46		25		—
	Trimble County Unit 2	60.75	%	1,043		227		24
	Trimble County Units 5-6	71.00	%	86		41		—
	Trimble County Units 7-10	63.00	%	135		65		—
	Cane Run Unit 7	78.00	%	449		90		10
	E.W. Brown Solar Unit	61.00	%	16		5		—
	Solar Share	56.00	%	4		—		—
	Mercer Solar	63.00	%	12		—		1
	Mill Creek 5	69.00	%	—		—		3
	Brown Wind	64.00	%	1		—		—

Kentucky Utilities Co [Member]

Jointly Owned Facilities [Line Items]

Jointly Owned Utility Facilities

At December 31, 2024 and 2023, the Balance Sheets reflect the owned interests in the generating plants listed below.

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
PPL
	December 31, 2024
	Trimble County Unit 1	75.00	%	$	462	$	124	$	1
	Trimble County Unit 2	75.00	%	1,549		323		10
	December 31, 2023
	Trimble County Unit 1	75.00	%	$	464	$	110	$	—
	Trimble County Unit 2	75.00	%	1,490		300		49
LG&E
	December 31, 2024
	E.W. Brown Units 6-7	38.00	%	$	53	$	29	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	52		30		—
	Trimble County Unit 1	75.00	%	462		124		1
	Trimble County Unit 2	14.25	%	472		79		5
	Trimble County Units 5-6	29.00	%	37		19		—
	Trimble County Units 7-10	37.00	%	82		41		1
	Cane Run Unit 7	22.00	%	137		27		—
	E.W. Brown Solar Unit	39.00	%	10		4		—
	Solar Share	44.00	%	3		—		—
	Mercer Solar	37.00	%	10		—		1
	Mill Creek 5	31.00	%	—		—		74
	Brown Wind	36.00	%	—		—		—
	December 31, 2023
	E.W. Brown Units 6-7	38.00	%	$	53	$	27	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	52		29		—
	Trimble County Unit 1	75.00	%	464		110		—
	Trimble County Unit 2	14.25	%	447		74		25
	Trimble County Units 5-6	29.00	%	37		17		—
	Trimble County Units 7-10	37.00	%	82		39		—
	Cane Run Unit 7	22.00	%	127		25		3
	E.W. Brown Solar Unit	39.00	%	10		3		—
	Solar Share	44.00	%	3		—		—
	Mercer Solar	37.00	%	7		—		—
	Mill Creek 5	31.00	%	—		—		2
	Brown Wind	36.00	%	—		—		—

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
KU
	December 31, 2024
	E.W. Brown Units 6-7	62.00	%	$	87	$	48	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	46		26		—
	Trimble County Unit 2	60.75	%	1,077		224		5
	Trimble County Units 5-6	71.00	%	87		44		—
	Trimble County Units 7-10	63.00	%	136		69		1
	Cane Run Unit 7	78.00	%	485		95		1
	E.W. Brown Solar Unit	61.00	%	16		6		—
	Solar Share	56.00	%	4		1		—
	Mercer Solar	63.00	%	16		—		2
	Mill Creek 5	69.00	%	—		—		164
	Brown Wind	64.00	%	1		—		—
	December 31, 2023
	E.W. Brown Units 6-7	62.00	%	$	87	$	45	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	46		25		—
	Trimble County Unit 2	60.75	%	1,043		227		24
	Trimble County Units 5-6	71.00	%	86		41		—
	Trimble County Units 7-10	63.00	%	135		65		—
	Cane Run Unit 7	78.00	%	449		90		10
	E.W. Brown Solar Unit	61.00	%	16		5		—
	Solar Share	56.00	%	4		—		—
	Mercer Solar	63.00	%	12		—		1
	Mill Creek 5	69.00	%	—		—		3
	Brown Wind	64.00	%	1		—		—