Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2022

Commitments and Contingencies Disclosure [Abstract]

Contractual Obligation, Fiscal Year Maturity Schedule

As of December 31, 2022, the future minimum commitments related to these purchase contracts were as follows:

(In thousands)	2023		2024		2025		2026		2027		Thereafter
Coal(a)	$	23,886	$	17,104	$	7,782	$	2,868	$	—	$	—
Natural gas
Transportation and storage(b)		25,446		25,446		25,446		14,736		1,892		10,549
Supply(c)		30,778		—		—		—		—		—
Purchase power(d)		5,513		5,623		5,735		5,850		5,967		266
Renewable energy(e)		25,024		2,025		2,040		2,056		2,072		26,592
Other		6,105		2,224		350		359		108		689
	$	116,752	$	52,422	$	41,353	$	25,869	$	10,039	$	38,096

(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.

(c)These commitments include market-based pricing.

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

(e)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)	2023		2024		2025		2026		2027		Thereafter
Other commitments	$	333	$	333	$	333	$	333	$	333	$	2,332