Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2024

Commitments and Contingencies Disclosure [Abstract]

Contractual Obligation, Fiscal Year Maturity Schedule

As of December 31, 2024, the future minimum commitments related to these purchase contracts were as follows:

(In thousands)	2025		2026		2027		2028		2029		Thereafter
Coal(a)	$	20,083	$	3,777	$	—	$	—	$	—	$	—
Natural gas(b)		54,090		15,489		3,311		7,136		6,956		90,712
Purchase power(c)		5,836		6,191		6,041		269		—		—
Renewable energy(d)		7,361		3,142		3,141		3,167		1,181		32,737
Other		6,086		6,035		900		306		146		657
	$	93,456	$	34,634	$	13,393	$	10,878	$	8,283	$	124,106

(a)Total coal commitments for MGE's share of the Columbia and Elm Road Units, including transportation. Fuel procurement for MGE's jointly owned Columbia and Elm Road Units is handled by WPL and WEPCO, respectively, who are the operators of those facilities.

(b)MGE's natural gas transportation and storage contracts require fixed monthly payments for firm supply pipeline transportation and storage capacity. The pricing components of the fixed monthly payments for the transportation and storage contracts are approved by FERC but may be subject to change. MGE's natural gas supply commitments include market-based pricing.

(c)MGE has a purchase power agreement to help meet future electric supply requirements.

(d)Operational commitments for solar and wind facilities.

Other Commitments

MGE has several other commitments related to various projects. Payments for these commitments are expected to be as follows:

(In thousands)	2025		2026		2027		2028		2029		Thereafter
Other commitments	$	333	$	333	$	333	$	333	$	333	$	1,666