XML 35 R27.htm IDEA: XBRL DOCUMENT

Regulatory Matters (Tables)

9 Months Ended

Sep. 30, 2024

We had the following regulatory assets and liabilities:


	As of			As of
	September 30, 2024			December 31, 2023
	(in millions)
Regulatory assets
Winter Storm Uri	$	123.4		$	199.6
Deferred energy and fuel cost adjustments		61.1			55.1
Deferred gas cost adjustments		17.2			4.1
Gas price derivatives		3.2			5.1
Deferred taxes on AFUDC		7.7			7.1
Employee benefit plans and related deferred taxes		86.1			89.3
Environmental		10.6			2.9
Loss on reacquired debt		16.1			17.4
Deferred taxes on flow through accounting		80.9			74.7
Decommissioning costs		2.4			2.4
Other regulatory assets		23.5			22.4
Total regulatory assets		432.2			480.1
Less current regulatory assets		(156.1	)		(175.7	)
Regulatory assets, non-current	$	276.1		$	304.4

Regulatory liabilities
Deferred energy and gas costs	$	82.6		$	88.9
Employee benefit plan costs and related deferred taxes		34.6			36.2
Cost of removal		193.2			181.9
Excess deferred income taxes		240.5			247.1
Other regulatory liabilities		6.1			12.5
Total regulatory liabilities		557.0			566.6
Less current regulatory liabilities		(86.2	)		(98.9	)
Regulatory liabilities, non-current	$	470.8		$	467.7