CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Jun. 30, 2017	Sep. 30, 2016	Jun. 30, 2016
ASSETS
Utility Plant	$ 5,071.4	$ 4,793.6	$ 4,339.5
Less: Accumulated depreciation and amortization	1,609.6	1,506.4	1,311.5
Net Utility Plant	3,461.8	3,287.2	3,028.0
Non-utility Property (net of accumulated depreciation and amortization of $8.4, $8.1 and $7.9 at June 30, 2017, September 30, 2016, and June 30, 2016, respectively)	39.9	13.7	13.8
Goodwill	1,163.9	1,164.9	946.0
Other Property and Investments	63.8	62.1	62.4
Total Other Property and Investments	1,267.6	1,240.7	1,022.2
Current Assets:
Cash and cash equivalents	8.3	5.2	4.9
Accounts receivable:
Utility	141.9	127.8	133.1
Other	124.0	113.4	82.7
Allowance for doubtful accounts	(17.7)	(20.5)	(20.2)
Delayed customer billings	7.0	1.6	3.5
Inventories:
Natural gas	144.4	174.0	116.6
Propane gas	12.0	12.0	12.0
Materials and supplies	18.4	16.3	15.3
Natural gas receivable	6.5	9.7	17.5
Derivative instrument assets	7.3	11.4	9.0
Unamortized purchased gas adjustments	73.9	49.7	5.4
Other regulatory assets	70.7	44.2	37.5
Prepayments and other	32.4	24.8	36.1
Total Current Assets	629.1	569.6	453.4
Deferred Charges:
Regulatory assets	840.5	838.0	730.7
Other	99.2	128.9	64.7
Total Deferred Charges	939.7	966.9	795.4
Total Assets	6,298.2	6,064.4	5,299.0
Capitalization:
Common stock	48.2	45.6	45.6
Paid-in capital	1,323.7	1,175.9	1,173.5
Retained earnings	653.1	550.9	588.6
Accumulated other comprehensive income (loss)	3.2	(4.2)	(5.3)
Total Common Stock Equity	2,028.2	1,768.2	1,802.4
Long-term debt (less current portion)	1,925.3	1,820.7	1,839.8
Total Capitalization	3,953.5	3,588.9	3,642.2
Current Liabilities:
Current portion of long-term debt	0.0	250.0	0.0
Notes payable	450.7	398.7	97.6
Accounts payable	206.4	210.9	135.8
Advance customer billings	15.9	70.2	53.0
Wages and compensation accrued	38.9	39.8	36.5
Dividends payable	26.3	23.5	22.3
Customer deposits	35.0	34.9	31.9
Interest accrued	24.2	14.8	19.7
Taxes accrued	55.6	55.2	41.4
Unamortized purchased gas adjustments	1.0	1.7	0.0
Regulatory liabilities	24.9	28.9	22.4
Other	30.9	32.7	31.2
Total Current Liabilities	909.8	1,161.3	491.8
Deferred Credits and Other Liabilities:
Deferred income taxes	705.3	607.3	574.1
Pension and postretirement benefit costs	300.4	303.7	246.9
Asset retirement obligations	214.7	206.4	164.6
Regulatory liabilities	139.8	130.7	105.7
Other	74.7	66.1	73.7
Total Deferred Credits and Other Liabilities	1,434.9	1,314.2	1,165.0
Commitments and Contingencies (Note 10)
Total Capitalization and Liabilities	6,298.2	6,064.4	5,299.0
Laclede Gas
ASSETS
Utility Plant	2,914.1	2,718.5	2,659.7
Less: Accumulated depreciation and amortization	670.3	604.5	595.4
Net Utility Plant	2,243.8	2,114.0	2,064.3
Goodwill	210.2	210.2	210.2
Other Property and Investments	58.9	57.3	56.5
Total Other Property and Investments	269.1	267.5	266.7
Current Assets:
Cash and cash equivalents	2.6	2.1	1.5
Accounts receivable:
Utility	94.4	87.9	101.0
Associated companies	1.7	2.2	1.3
Other	13.8	11.4	10.5
Allowance for doubtful accounts	(13.4)	(16.1)	(16.5)
Delayed customer billings	7.0	1.6	3.5
Inventories:
Natural gas	93.6	127.3	78.2
Propane gas	12.0	12.0	12.0
Materials and supplies	11.3	9.2	9.2
Derivative instrument assets	0.7	4.9	5.1
Unamortized purchased gas adjustments	29.0	43.1	0.6
Other regulatory assets	38.2	23.9	23.7
Prepayments and other	21.3	14.5	20.4
Total Current Assets	312.2	324.0	250.5
Deferred Charges:
Regulatory assets	583.4	589.8	562.6
Other	3.1	1.1	5.0
Total Deferred Charges	586.5	590.9	567.6
Total Assets	3,411.6	3,296.4	3,149.1
Capitalization:
Paid-in capital and common stock	755.3	752.0	750.9
Retained earnings	414.0	318.3	333.9
Accumulated other comprehensive income (loss)	(1.8)	(1.8)	(1.4)
Total Common Stock Equity	1,167.5	1,068.5	1,083.4
Long-term debt (less current portion)	804.5	804.1	803.9
Total Capitalization	1,972.0	1,872.6	1,887.3
Current Liabilities:
Notes payable	0.0	243.7	97.6
Notes payable – associated companies	260.2	0.0	38.8
Accounts payable	54.0	67.6	49.7
Accounts payable – associated companies	5.4	5.4	4.1
Advance customer billings	0.7	49.1	35.2
Wages and compensation accrued	29.4	29.9	28.7
Dividends payable	0.0	14.0	22.4
Customer deposits	13.2	13.5	13.3
Interest accrued	9.5	7.7	9.4
Taxes accrued	28.3	29.1	21.0
Regulatory liabilities	2.7	1.3	1.3
Other	7.5	9.9	9.1
Total Current Liabilities	410.9	471.2	330.6
Deferred Credits and Other Liabilities:
Deferred income taxes	620.9	556.9	548.8
Pension and postretirement benefit costs	204.2	211.8	191.9
Asset retirement obligations	77.9	75.2	75.0
Regulatory liabilities	83.6	67.3	65.7
Other	42.1	41.4	49.8
Total Deferred Credits and Other Liabilities	1,028.7	952.6	931.2
Commitments and Contingencies (Note 10)
Total Capitalization and Liabilities	3,411.6	3,296.4	3,149.1
Alagasco
ASSETS
Utility Plant	1,809.0	1,729.6	1,679.8
Less: Accumulated depreciation and amortization	791.2	756.6	716.1
Net Utility Plant	1,017.8	973.0	963.7
Current Assets:
Cash and cash equivalents	0.1	0.0	0.0
Accounts receivable:
Utility	40.6	34.0	32.2
Associated companies	0.2	0.0	0.0
Other	5.8	7.2	5.3
Allowance for doubtful accounts	(2.2)	(3.3)	(3.7)
Inventories:
Natural gas	29.0	34.6	28.3
Materials and supplies	5.9	5.9	6.0
Deferred income taxes	0.0	0.0	5.0
Unamortized purchased gas adjustments	44.9	5.6	4.8
Other regulatory assets	17.3	14.9	13.8
Prepayments and other	6.6	5.1	6.1
Total Current Assets	148.2	104.0	97.8
Deferred Charges:
Regulatory assets	228.7	230.7	167.5
Deferred income taxes	181.1	221.4	211.0
Other	63.2	60.8	57.7
Total Deferred Charges	473.0	512.9	436.2
Total Assets	1,639.0	1,589.9	1,497.7
Capitalization:
Paid-in capital and common stock	420.9	451.9	451.9
Retained earnings	463.5	415.4	432.2
Total Common Stock Equity	884.4	867.3	884.1
Long-term debt (less current portion)	247.7	247.6	247.6
Total Capitalization	1,132.1	1,114.9	1,131.7
Current Liabilities:
Notes payable	0.0	82.0	0.0
Notes payable – associated companies	114.9	0.0	37.8
Accounts payable	45.1	34.3	26.6
Accounts payable – associated companies	1.4	0.4	1.3
Advance customer billings	15.2	21.1	17.8
Wages and compensation accrued	7.5	7.8	7.8
Customer deposits	18.1	18.2	18.6
Interest accrued	3.5	3.3	3.6
Taxes accrued	20.5	21.6	19.8
Regulatory liabilities	17.8	22.7	21.1
Other	3.4	6.3	5.1
Total Current Liabilities	247.4	217.7	159.5
Deferred Credits and Other Liabilities:
Pension and postretirement benefit costs	77.9	74.3	55.0
Asset retirement obligations	125.4	120.1	89.4
Regulatory liabilities	34.4	41.7	40.0
Other	21.8	21.2	22.1
Total Deferred Credits and Other Liabilities	259.5	257.3	206.5
Total Capitalization and Liabilities	$ 1,639.0	$ 1,589.9	$ 1,497.7