CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2017	Sep. 30, 2016
ASSETS
Utility Plant	$ 5,278.4	$ 4,793.6
Less: Accumulated depreciation and amortization	1,613.2	1,506.4
Net Utility Plant	3,665.2	3,287.2
Non-utility property (net of accumulated depreciation and amortization, $8.6 and $8.1 at September 30, 2017 and 2016, respectively)	52.0	13.7
Goodwill	1,171.6	1,164.9
Other investments	64.2	62.1
Other Property and Investments	1,287.8	1,240.7
Current Assets:
Cash and cash equivalents	7.4	5.2
Accounts receivable:
Utility	140.5	127.8
Other	149.2	113.4
Allowance for doubtful accounts	(18.3)	(20.5)
Delayed customer billings	3.4	1.6
Inventories:
Natural gas	194.9	174.0
Propane gas	12.0	12.0
Materials and supplies	18.9	16.3
Natural gas receivable	1.9	9.7
Derivative instrument assets	5.9	11.4
Unamortized purchased gas adjustments	102.6	49.7
Other regulatory assets	72.9	44.2
Prepayments and other	34.2	24.8
Total Current Assets	725.5	569.6
Deferred Charges:
Regulatory assets	791.1	838.0
Other	77.1	128.9
Total Deferred Charges	868.2	966.9
Total Assets	6,546.7	6,064.4
Capitalization:
Common stock equity	1,991.3	1,768.2
Long-term debt	1,995.0	1,820.7
Total Capitalization	3,986.3	3,588.9
Current Liabilities:
Current portion of long-term debt	100.0	250.0
Notes payable	477.3	398.7
Accounts payable	257.1	210.9
Advance customer billings	32.0	70.2
Wages and compensation accrued	38.7	39.8
Dividends payable	26.6	23.5
Customer deposits	34.9	34.9
Interest accrued	14.6	14.8
Unamortized purchased gas adjustments	1.0	1.7
Taxes accrued	61.0	55.2
Other regulatory liabilities	21.6	28.9
Other	33.1	32.7
Total Current Liabilities	1,097.9	1,161.3
Deferred Credits and Other Liabilities:
Deferred income taxes	707.5
Deferred income taxes		607.3
Pension and postretirement benefit costs	237.4	303.7
Asset retirement obligations	296.6	206.4
Regulatory liabilities	157.2	130.7
Other	63.8	66.1
Total Deferred Credits and Other Liabilities	1,462.5	1,314.2
Commitments and Contingencies
Total Capitalization and Liabilities	6,546.7	6,064.4
Spire Missouri
ASSETS
Utility Plant	3,091.8	2,718.5
Less: Accumulated depreciation and amortization	681.6	604.5
Net Utility Plant	2,410.2	2,114.0
Goodwill	210.2	210.2
Other investments	59.4	57.3
Other Property and Investments	269.6	267.5
Current Assets:
Cash and cash equivalents	2.5	2.1
Accounts receivable:
Utility	101.7	87.9
Other	15.0	11.4
Allowance for doubtful accounts	(14.1)	(16.1)
Delayed customer billings	3.4	1.6
Receivables from associated companies	3.3	2.2
Inventories:
Natural gas	138.2	127.3
Propane gas	12.0	12.0
Materials and supplies	11.3	9.2
Derivative instrument assets	0.1	4.9
Unamortized purchased gas adjustments	57.4	43.1
Other regulatory assets	38.2	23.9
Prepayments and other	19.6	14.5
Total Current Assets	388.6	324.0
Deferred Charges:
Regulatory assets	557.8	589.8
Other	5.3	1.1
Total Deferred Charges	563.1	590.9
Total Assets	3,631.5	3,296.4
Capitalization:
Common stock equity	1,171.0	1,068.5
Long-term debt	873.9	804.1
Total Capitalization	2,044.9	1,872.6
Current Liabilities:
Current portion of long-term debt	100.0	0.0
Notes payable	0.0	243.7
Notes payable – associated companies	203.0	0.0
Accounts payable	89.9	67.6
Accounts payable to associated companies	5.4	5.4
Advance customer billings	13.3	49.1
Wages and compensation accrued	29.6	29.9
Dividends payable	0.0	14.0
Customer deposits	13.3	13.5
Interest accrued	8.0	7.7
Taxes accrued	34.1	29.1
Other regulatory liabilities	2.7	1.3
Other	8.5	9.9
Total Current Liabilities	507.8	471.2
Deferred Credits and Other Liabilities:
Deferred income taxes	623.8
Deferred income taxes		556.9
Pension and postretirement benefit costs	173.0	211.8
Asset retirement obligations	158.6	75.2
Regulatory liabilities	81.2	67.3
Other	42.2	41.4
Total Deferred Credits and Other Liabilities	1,078.8	952.6
Commitments and Contingencies
Total Capitalization and Liabilities	3,631.5	3,296.4
Spire Alabama
ASSETS
Utility Plant	1,838.0	1,729.6
Less: Accumulated depreciation and amortization	782.0	756.6
Net Utility Plant	1,056.0	973.0
Current Assets:
Cash and cash equivalents	0.1	0.0
Accounts receivable:
Utility	32.0	34.0
Other	6.2	7.2
Allowance for doubtful accounts	(2.6)	(3.3)
Inventories:
Natural gas	33.9	34.6
Materials and supplies	6.5	5.9
Unamortized purchased gas adjustments	45.2	5.6
Other regulatory assets	19.4	14.9
Prepayments and other	6.7	5.1
Total Current Assets	147.4	104.0
Deferred Charges:
Regulatory assets	197.0	230.7
Deferred income tax	185.6
Deferred income tax		221.4
Other	57.0	60.8
Total Deferred Charges	439.6	512.9
Total Assets	1,643.0	1,589.9
Capitalization:
Common stock equity	867.4	867.3
Long-term debt	247.8	247.6
Total Capitalization	1,115.2	1,114.9
Current Liabilities:
Notes payable	0.0	82.0
Accounts payable	44.4	34.3
Accounts payable to associated companies	1.6	0.4
Advance customer billings	18.6	21.1
Wages and compensation accrued	7.4	7.8
Customer deposits	17.9	18.2
Interest accrued	3.3	3.3
Taxes accrued	23.4	21.6
Other regulatory liabilities	12.0	22.7
Other	2.9	6.3
Total Current Liabilities	301.4	217.7
Deferred Credits and Other Liabilities:
Pension and postretirement benefit costs	50.2	74.3
Asset retirement obligations	128.4	120.1
Regulatory liabilities	39.6	41.7
Other	8.2	21.2
Total Deferred Credits and Other Liabilities	226.4	257.3
Total Capitalization and Liabilities	$ 1,643.0	$ 1,589.9