Note 2 - Revenue (Tables)

6 Months Ended

Mar. 31, 2024

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended March 31,						Six Months Ended March 31,
	2024			2023			2024			2023
Spire
Gas Utility:
Residential	$	729.5		$	730.2		$	1,222.3		$	1,248.2
Commercial and industrial		267.9			260.3			425.8			430.9
Transportation		36.8			33.3			69.4			64.2
Off-system and other incentive		13.0			6.1			19.4			13.7
Other customer revenue		8.2			4.3			13.7			8.7
Total revenue from contracts with customers		1,055.4			1,034.2			1,750.6			1,765.7
Changes in accrued revenue under alternative revenue programs	17.3				20.3			37.3			21.8
Total Gas Utility operating revenues		1,072.7			1,054.5			1,787.9			1,787.5
Gas Marketing		46.0			60.6			82.3			134.7
Midstream		21.5			16.5			36.4			31.7
Other		4.1			4.1			8.2			8.1
Total before eliminations		1,144.3			1,135.7			1,914.8			1,962.0
Intersegment eliminations (see Note 10, Information by Operating Segment)		(15.8	)		(12.3	)		(29.7	)		(24.6	)
Total Operating Revenues	$	1,128.5		$	1,123.4		$	1,885.1		$	1,937.4

Spire Missouri
Residential	$	532.9	$	570.0	$	921.7	$	970.6
Commercial and industrial		185.7		185.2		295.9		308.1
Transportation		10.1		9.9		19.1		19.0
Off-system and other incentive		12.3		4.5		16.4		9.6
Other customer revenue		5.0		4.3		7.5		6.3
Total revenue from contracts with customers		746.0		773.9		1,260.6		1,313.6
Changes in accrued revenue under alternative revenue programs	20.5			17.1		41.3		18.6
Total Operating Revenues	$	766.5	$	791.0	$	1,301.9	$	1,332.2

Spire Alabama
Residential	$	169.3		$	135.1		$	253.7		$	231.4
Commercial and industrial		68.8			61.5			103.5			95.1
Transportation	24.0			20.8			44.8				40.1
Off-system and other incentive		0.7			1.7			3.0			4.1
Other customer revenue		0.7			0.7			1.6			1.9
Total revenue from contracts with customers		263.5			219.8			406.6			372.6
Changes in accrued revenue under alternative revenue programs		(4.0	)		(1.5	)		(5.0	)		(1.9	)
Total Operating Revenues	$	259.5		$	218.3		$	401.6		$	370.7

Schedule Of Taxes On Revenues [Table Text Block]

	Three Months Ended March 31,				Six Months Ended March 31,
	2024		2023		2024		2023
Spire	$	60.0	$	60.2	$	91.1	$	90.6
Spire Missouri		44.0		45.6		66.5		67.7
Spire Alabama		14.1		12.6		21.0		19.4