COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2022

Commitments and Contingencies Disclosure [Abstract]

Schedule of minimum future commitments related to purchase obligations

The following table shows our minimum future commitments related to these purchase obligations as of December 31, 2022:

				Payments Due By Period
(in millions)	Date Contracts Extend Through	Total Amounts Committed		2023		2024		2025		2026		2027		Later Years
Electric utility:
Purchased power	2050	$	220.0	$	50.1	$	51.4	$	46.3	$	42.6	$	18.0	$	11.6
Coal supply and transportation	2030	306.9		119.4		80.4		64.1		12.0		7.6		23.4
Natural gas utility supply and transportation	2048	432.8		58.5		55.4		31.4		21.5		21.4		244.6
Total		$	959.7	$	228.0	$	187.2	$	141.8	$	76.1	$	47.0	$	279.6

Schedule of regulatory assets and reserves related to manufactured gas plant sites

We have established the following regulatory assets and reserves for manufactured gas plant sites as of December 31:

(in millions)	2022		2021
Regulatory assets	$	118.5	$	120.1
Reserves for future environmental remediation	88.6		95.0