Commitments (Tables)

12 Months Ended

Dec. 31, 2024

Commitments and Contingencies Disclosure [Abstract]

Schedule of estimated commitments

As of December 31, 2024, our estimated commitments are as follows:

	(dollars in thousands)
	Coal		Nuclear Fuel		Gas Transportation		Maintenance Agreements		Asset Retirement Obligations		Finance and Operating Leases
2025	$	21,349	$	91,650	$	68,568	$	96,851	$	56,811	$	17,337
2026	14,321		50,010		72,032		15,019		49,386		17,045
2027	7,189		30,930		72,328		2,508		43,935		16,768
2028	—		38,280		93,565		51,743		30,331		4,761
2029	—		29,730		217,694		56,014		42,380		3,315
Thereafter	—		48,810		3,556,334		223,583		10,639,479		5,302