CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	6 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operating Activities:
Net Income	$ 377.2	$ 290.6
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	169.1	146.0
Deferred income taxes and investment tax credits	96.6	71.8
Changes in assets and liabilities, excluding impact of acquisition and divestitures:
Accounts receivable	(132.9)	(252.4)
Inventories	91.4	84.8
Regulatory assets and liabilities	39.5	147.5
Accounts payable	6.8	97.1
Delayed/advance customer billings, net	(84.6)	(57.7)
Taxes accrued	(27.2)	(23.7)
Other assets and liabilities	(32.7)	(55.1)
Other	(11.8)	4.9
Net cash provided by operating activities	491.4	453.8
Investing Activities:
Capital expenditures	(395.0)	(479.2)
Business acquisitions, net of cash acquired	(2,500.8)	0.0
Proceeds from sale of subsidiary	30.0	0.0
Other	(0.5)	1.9
Net cash used in investing activities	(2,866.3)	(477.3)
Financing Activities:
Issuance of long-term debt	2,497.1	0.0
Repayment of long-term debt	(357.5)	(7.0)
Redemption of preferred shares	(242.0)	0.0
Preferred share redemption cost	(8.0)	0.0
Issuance of delayed draw term loan	800.0	0.0
(Repayment) issuance of short-term debt, net	(162.0)	68.0
Issuance of common stock	0.7	75.6
Dividends paid on common stock	(96.1)	(90.0)
Dividends paid on preferred stock	(7.4)	(7.4)
Other	(5.5)	(4.6)
Net cash provided by (used in) financing activities	2,419.3	34.6
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash	44.4	11.1
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	41.2	34.9
Cash, Cash Equivalents, and Restricted Cash at End of Period	85.6	46.0
Supplemental disclosure of cash paid for:
Interest, net of amounts capitalized	(87.8)	(101.1)
Income taxes	(2.1)	(1.2)
Spire Missouri [Member]
Operating Activities:
Net Income	227.4	166.3
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	108.6	92.7
Deferred income taxes and investment tax credits	44.5	25.5
Changes in assets and liabilities, excluding impact of acquisition and divestitures:
Accounts receivable	(102.1)	(131.3)
Inventories	59.9	50.5
Regulatory assets and liabilities	66.5	146.7
Accounts payable	(7.2)	36.8
Delayed/advance customer billings, net	(86.0)	(56.0)
Taxes accrued	(16.0)	(12.3)
Other assets and liabilities	(19.7)	(40.2)
Other	0.7	0.5
Net cash provided by operating activities	276.6	279.2
Investing Activities:
Capital expenditures	(283.2)	(322.1)
Other	2.9	2.5
Net cash used in investing activities	(280.3)	(319.6)
Financing Activities:
Issuance of long-term debt	200.0	0.0
(Repayments to) Borrowings from Spire, net	(185.2)	(34.0)
Issuance of common stock	0.0	74.4
Dividends paid	(9.9)	0.0
Other	(1.2)	(0.0)
Net cash provided by (used in) financing activities	3.7	40.4
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash	0.0	(0.0)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	0.0	0.0
Cash, Cash Equivalents, and Restricted Cash at End of Period	0.0	0.0
Supplemental disclosure of cash paid for:
Interest, net of amounts capitalized	(56.2)	(56.5)
Income taxes	(0.3)	(0.9)
Spire Alabama Inc [Member]
Operating Activities:
Net Income	91.6	85.7
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	38.5	35.7
Deferred income taxes and investment tax credits	30.7	28.7
Changes in assets and liabilities, excluding impact of acquisition and divestitures:
Accounts receivable	(38.5)	(49.1)
Inventories	11.4	9.0
Regulatory assets and liabilities	(25.5)	1.0
Accounts payable	3.4	21.1
Delayed/advance customer billings, net	0.5	(1.3)
Taxes accrued	(6.8)	(7.7)
Other assets and liabilities	7.9	(8.2)
Other	0.2	0.2
Net cash provided by operating activities	113.4	115.1
Investing Activities:
Capital expenditures	(86.4)	(63.1)
Other	(2.0)	0.4
Net cash used in investing activities	(88.4)	(62.7)
Financing Activities:
(Repayments to) Borrowings from Spire, net	19.6	(6.6)
Return of capital to Spire	(2.4)	(30.0)
Dividends paid on common stock	(42.1)	(14.0)
Net cash provided by (used in) financing activities	(24.9)	(50.6)
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash	0.1	1.8
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	1.9	1.5
Cash, Cash Equivalents, and Restricted Cash at End of Period	2.0	3.3
Supplemental disclosure of cash paid for:
Interest, net of amounts capitalized	(13.9)	(14.9)
Income taxes	$ 0.0	$ 0.0

SPIRE INC 10-Q