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Jointly Owned Utility Facilities (Tables)

12 Months Ended

Dec. 31, 2025

Jointly Owned Facilities [Line Items]

Jointly Owned Utility Facilities

At December 31, 2025 and 2024, 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, 2025
			Trimble County Unit 1			75.00		%				$	464					$	141					$	20
			Trimble County Unit 2			75.00		%				1,543						344						20
			December 31, 2024
			Trimble County Unit 1			75.00		%				$	462					$	124					$	1
			Trimble County Unit 2			75.00		%				1,549						323						10
LG&E
			December 31, 2025
			E.W. Brown Units 6-7			38.00		%				$	53					$	31					$	—
			Paddy's Run Unit 13 & E.W. Brown Unit 5			53.00		%				52						32						—
			Trimble County Unit 1			75.00		%				464						141						20
			Trimble County Unit 2			14.25		%				474						88						9
			Trimble County Units 5-6			29.00		%				37						20						—
			Trimble County Units 7-10			37.00		%				82						44						2
			Cane Run Unit 7			22.00		%				137						31						2
			E.W. Brown Solar Unit			39.00		%				10						4						—
			Solar Share			44.00		%				3						1						—
			Mercer Solar			37.00		%				7						—						14
			Mill Creek Unit 5			31.00		%				1						—						219
			Brown Wind			36.00		%				—						—						—
			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 Unit 5			31.00		%				—						—						74
			Brown Wind			36.00		%				—						—						—

						Ownership Interest						Electric Plant						Accumulated Depreciation						Construction Work in Progress
KU
			December 31, 2025
			E.W. Brown Units 6-7			62.00		%				$	88					$	51					$	—
			Paddy's Run Unit 13 & E.W. Brown Unit 5			47.00		%				47						28						—
			Trimble County Unit 2			60.75		%				1,069						256						12
			Trimble County Units 5-6			71.00		%				87						47						—
			Trimble County Units 7-10			63.00		%				136						74						3
			Cane Run Unit 7			78.00		%				486						109						6
			E.W. Brown Solar Unit			61.00		%				16						7						—
			Solar Share			56.00		%				4						1						—
			Mercer Solar			63.00		%				13						—						23
			Mill Creek Unit 5			69.00		%				1						—						486
			Brown Wind			64.00		%				1						—						—
			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 Unit 5			69.00		%				—						—						164
			Brown Wind			64.00		%				1						—						—

Louisville Gas And Electric Co [Member]

Jointly Owned Facilities [Line Items]

Jointly Owned Utility Facilities

At December 31, 2025 and 2024, 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, 2025
			Trimble County Unit 1			75.00		%				$	464					$	141					$	20
			Trimble County Unit 2			75.00		%				1,543						344						20
			December 31, 2024
			Trimble County Unit 1			75.00		%				$	462					$	124					$	1
			Trimble County Unit 2			75.00		%				1,549						323						10
LG&E
			December 31, 2025
			E.W. Brown Units 6-7			38.00		%				$	53					$	31					$	—
			Paddy's Run Unit 13 & E.W. Brown Unit 5			53.00		%				52						32						—
			Trimble County Unit 1			75.00		%				464						141						20
			Trimble County Unit 2			14.25		%				474						88						9
			Trimble County Units 5-6			29.00		%				37						20						—
			Trimble County Units 7-10			37.00		%				82						44						2
			Cane Run Unit 7			22.00		%				137						31						2
			E.W. Brown Solar Unit			39.00		%				10						4						—
			Solar Share			44.00		%				3						1						—
			Mercer Solar			37.00		%				7						—						14
			Mill Creek Unit 5			31.00		%				1						—						219
			Brown Wind			36.00		%				—						—						—
			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 Unit 5			31.00		%				—						—						74
			Brown Wind			36.00		%				—						—						—

						Ownership Interest						Electric Plant						Accumulated Depreciation						Construction Work in Progress
KU
			December 31, 2025
			E.W. Brown Units 6-7			62.00		%				$	88					$	51					$	—
			Paddy's Run Unit 13 & E.W. Brown Unit 5			47.00		%				47						28						—
			Trimble County Unit 2			60.75		%				1,069						256						12
			Trimble County Units 5-6			71.00		%				87						47						—
			Trimble County Units 7-10			63.00		%				136						74						3
			Cane Run Unit 7			78.00		%				486						109						6
			E.W. Brown Solar Unit			61.00		%				16						7						—
			Solar Share			56.00		%				4						1						—
			Mercer Solar			63.00		%				13						—						23
			Mill Creek Unit 5			69.00		%				1						—						486
			Brown Wind			64.00		%				1						—						—
			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 Unit 5			69.00		%				—						—						164
			Brown Wind			64.00		%				1						—						—

Kentucky Utilities Co [Member]

Jointly Owned Facilities [Line Items]

Jointly Owned Utility Facilities

At December 31, 2025 and 2024, 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, 2025
			Trimble County Unit 1			75.00		%				$	464					$	141					$	20
			Trimble County Unit 2			75.00		%				1,543						344						20
			December 31, 2024
			Trimble County Unit 1			75.00		%				$	462					$	124					$	1
			Trimble County Unit 2			75.00		%				1,549						323						10
LG&E
			December 31, 2025
			E.W. Brown Units 6-7			38.00		%				$	53					$	31					$	—
			Paddy's Run Unit 13 & E.W. Brown Unit 5			53.00		%				52						32						—
			Trimble County Unit 1			75.00		%				464						141						20
			Trimble County Unit 2			14.25		%				474						88						9
			Trimble County Units 5-6			29.00		%				37						20						—
			Trimble County Units 7-10			37.00		%				82						44						2
			Cane Run Unit 7			22.00		%				137						31						2
			E.W. Brown Solar Unit			39.00		%				10						4						—
			Solar Share			44.00		%				3						1						—
			Mercer Solar			37.00		%				7						—						14
			Mill Creek Unit 5			31.00		%				1						—						219
			Brown Wind			36.00		%				—						—						—
			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 Unit 5			31.00		%				—						—						74
			Brown Wind			36.00		%				—						—						—

						Ownership Interest						Electric Plant						Accumulated Depreciation						Construction Work in Progress
KU
			December 31, 2025
			E.W. Brown Units 6-7			62.00		%				$	88					$	51					$	—
			Paddy's Run Unit 13 & E.W. Brown Unit 5			47.00		%				47						28						—
			Trimble County Unit 2			60.75		%				1,069						256						12
			Trimble County Units 5-6			71.00		%				87						47						—
			Trimble County Units 7-10			63.00		%				136						74						3
			Cane Run Unit 7			78.00		%				486						109						6
			E.W. Brown Solar Unit			61.00		%				16						7						—
			Solar Share			56.00		%				4						1						—
			Mercer Solar			63.00		%				13						—						23
			Mill Creek Unit 5			69.00		%				1						—						486
			Brown Wind			64.00		%				1						—						—
			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 Unit 5			69.00		%				—						—						164
			Brown Wind			64.00		%				1						—						—

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Tabular disclosure of proportionate interests in jointly owned utility plants. Includes the amount of plants in service, the accumulated provision for depreciation (if available), the amount of plants under construction, and the proportionate share. The amounts presented may be further subdivided to show amounts applicable to plant subcategories (for example, production, transmission, distribution). Includes statements that the amounts represent the utility's share in each joint plant and that it must provide its own financing. Information concerning two or more generating plants on the same site may be combined. States that the utility's share of direct expenses of the joint plants is included in the corresponding operating expenses on its income statement (for example, fuel, maintenance of plant, other operating expense). If the share of direct expenses is charged to purchased power, then disclose the amount so charged and the proportionate amounts charged to specific operating expenses on the records maintained for the joint plants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 980
-SubTopic 360
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 10.C)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479070/980-360-S99-1

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