CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating Activities:
Net Income	$ 214.2	$ 153.2
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	81.9	75.8
Deferred income taxes and investment tax credits	(15.2)	75.4
Changes in assets and liabilities:
Accounts receivable	(122.8)	(123.0)
Unamortized purchased gas adjustments	128.8	0.2
Accounts payable	(50.0)	28.3
Delayed/advance customer billings – net	(66.0)	(65.7)
Taxes accrued	(11.9)	(13.8)
Inventories	97.3	55.9
Other assets and liabilities	11.5	36.7
Other	41.8	3.1
Net cash provided by operating activities	309.6	226.1
Investing Activities:
Capital expenditures	(215.8)	(187.3)
Business acquisitions	(17.1)	3.8
Other	(0.4)	0.6
Net cash used in investing activities	(233.3)	(182.9)
Financing Activities:
Issuance of long-term debt	75.0	250.0
Repayment of long-term debt	0.0	(393.8)
(Repayment) issuance of short-term debt – net	(85.6)	168.7
Issuance of common stock	0.8	0.1
Dividends paid	(53.0)	(46.8)
Other	(3.1)	(7.0)
Net cash (used in) provided by financing activities	(65.9)	(28.8)
Net Increase in Cash and Cash Equivalents	10.4	14.4
Cash and Cash Equivalents at Beginning of Period	7.4	5.2
Cash and Cash Equivalents at End of Period	17.8	19.6
Supplemental disclosure of cash paid for:
Interest, net of amounts capitalized	(47.2)	(41.8)
Income taxes	(0.6)	(0.9)
Spire Missouri
Operating Activities:
Net Income	127.8	95.0
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	50.0	45.7
Deferred income taxes and investment tax credits	(23.6)	42.3
Changes in assets and liabilities:
Accounts receivable	(123.2)	(99.2)
Unamortized purchased gas adjustments	102.2	37.5
Accounts payable	(10.8)	(4.5)
Delayed/advance customer billings – net	(55.5)	(58.9)
Taxes accrued	(8.9)	(5.3)
Inventories	76.4	50.8
Other assets and liabilities	2.8	10.3
Other	40.9	0.8
Net cash provided by operating activities	178.1	114.5
Investing Activities:
Capital expenditures	(129.6)	(122.2)
Other	(0.1)	0.5
Net cash used in investing activities	(129.7)	(121.7)
Financing Activities:
(Repayment) issuance of short-term debt – net	0.0	(243.7)
(Repayments to) borrowings from Spire – net	(27.2)	282.2
Dividends paid	(13.5)	(28.7)
Other	0.0	(1.0)
Net cash (used in) provided by financing activities	(40.7)	8.8
Net Increase in Cash and Cash Equivalents	7.7	1.6
Cash and Cash Equivalents at Beginning of Period	2.5	2.1
Cash and Cash Equivalents at End of Period	10.2	3.7
Supplemental disclosure of cash paid for:
Interest, net of amounts capitalized	(22.8)	(19.0)
Income taxes	0.0	0.0
Spire Alabama
Operating Activities:
Net Income	6.0	57.9
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	25.9	24.6
Deferred income taxes and investment tax credits	83.7	35.2
Changes in assets and liabilities:
Accounts receivable	(38.6)	(25.8)
Unamortized purchased gas adjustments	26.2	(38.3)
Accounts payable	0.3	10.3
Delayed/advance customer billings – net	(10.6)	(6.8)
Taxes accrued	(1.5)	(4.7)
Inventories	6.4	8.2
Other assets and liabilities	12.4	2.0
Other	(0.2)	0.3
Net cash provided by operating activities	110.0	62.9
Investing Activities:
Capital expenditures	(51.8)	(48.3)
Other	(0.4)	0.0
Net cash used in investing activities	(52.2)	(48.3)
Financing Activities:
Issuance of long-term debt	75.0	0.0
(Repayment) issuance of short-term debt – net	0.0	(82.0)
(Repayments to) borrowings from Spire – net	(87.6)	109.3
Return of capital to Spire	(30.0)	(31.0)
Dividends paid	(15.0)	(10.5)
Other	(0.3)	(0.4)
Net cash (used in) provided by financing activities	(57.9)	(14.6)
Net Increase in Cash and Cash Equivalents	(0.1)	0.0
Cash and Cash Equivalents at Beginning of Period	0.1	0.0
Cash and Cash Equivalents at End of Period	0.0	0.0
Supplemental disclosure of cash paid for:
Interest, net of amounts capitalized	(7.0)	(6.3)
Income taxes	$ 0.0	$ 0.0