REGULATORY MATTERS (Tables)

6 Months Ended

Mar. 31, 2018

The following regulatory assets and regulatory liabilities, including purchased gas adjustments, were reflected in the balance sheets of the Company, Spire Missouri and Spire Alabama as of March 31, 2018, September 30, 2017, and March 31, 2017.



	March 31,		September 30,		March 31,
Spire	2018		2017		2017
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	43.0	$	42.2	$	41.7
Unamortized purchased gas adjustments	32.6		102.6		61.0
Other	22.1		30.7		23.1
Total Current Regulatory Assets	97.7		175.5		125.8
Noncurrent:
Future income taxes due from customers	113.0		170.5		159.7
Pension and postretirement benefit costs	358.2		404.7		461.8
Cost of removal	125.0		123.3		133.9
Unamortized purchased gas adjustments	—		9.9		1.1
Energy efficiency	31.3		29.0		27.0
Other	46.1		53.7		44.2
Total Noncurrent Regulatory Assets	673.6		791.1		827.7
Total Regulatory Assets	$	771.3	$	966.6	$	953.5
Regulatory Liabilities:
Current:
Rate Stabilization and Equalization (RSE) adjustment	$	—	$	1.4	$	1.1
Unbilled service margin	—		—		13.5
Refundable negative salvage	5.3		8.2		8.1
Unamortized purchased gas adjustments	1.5		1.0		1.6
Other	15.4		12.0		7.0
Total Current Regulatory Liabilities	22.2		22.6		31.3
Noncurrent:
Deferred taxes due to customers	170.7		—		—
Pension and postretirement benefit costs	30.8		32.2		27.6
Refundable negative salvage	0.6		4.1		4.9
Accrued cost of removal	71.0		83.8		75.3
Unamortized purchased gas adjustments	50.3		1.9		2.0
Other	29.7		35.2		34.3
Total Noncurrent Regulatory Liabilities	353.1		157.2		144.1
Total Regulatory Liabilities	$	375.3	$	179.8	$	175.4



	March 31,		September 30,		March 31,
Spire Missouri	2018		2017		2017
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	34.9	$	34.9	$	34.8
Unamortized purchased gas adjustments	13.5		57.4		17.1
Other	3.3		3.3		3.4
Total Current Regulatory Assets	51.7		95.6		55.3
Noncurrent:
Future income taxes due from customers	111.4		170.5		159.7
Pension and postretirement benefit costs	279.0		322.7		358.3
Unamortized purchased gas adjustments	—		9.9		1.1
Energy efficiency	31.3		29.0		27.0
Other	24.9		25.7		23.3
Total Noncurrent Regulatory Assets	446.6		557.8		569.4
Total Regulatory Assets	$	498.3	$	653.4	$	624.7
Regulatory Liabilities:
Current:
Other	$	2.7	$	2.7	$	2.7
Total Current Regulatory Liabilities	2.7		2.7		2.7
Noncurrent:
Deferred taxes due to customers	152.6		—		—
Accrued cost of removal	48.7		54.5		55.6
Unamortized purchased gas adjustments	50.3		1.9		2.0
Other	20.9		24.8		26.9
Total Noncurrent Regulatory Liabilities	272.5		81.2		84.5
Total Regulatory Liabilities	$	275.2	$	83.9	$	87.2



	March 31,		September 30,		March 31,
Spire Alabama	2018		2017		2017
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	7.1	$	7.2	$	6.8
Unamortized purchased gas adjustments	19.0		45.2		43.9
Other	6.0		12.2		4.4
Total Current Regulatory Assets	32.1		64.6		55.1
Noncurrent:
Pension and postretirement benefit costs	71.2		72.6		94.4
Cost of removal	125.0		123.3		133.9
Other	2.7		1.1		1.0
Total Noncurrent Regulatory Assets	198.9		197.0		229.3
Total Regulatory Assets	$	231.0	$	261.6	$	284.4
Regulatory Liabilities:
Current:
RSE adjustment	$	—	$	1.4	$	1.1
Unbilled service margin	—		—		13.5
Refundable negative salvage	5.3		8.2		8.1
Other	5.5		2.4		2.4
Total Current Regulatory Liabilities	10.8		12.0		25.1
Noncurrent:
Pension and postretirement benefit costs	30.8		32.2		27.6
Refundable negative salvage	0.6		4.1		4.9
Other	3.6		3.3		3.4
Total Noncurrent Regulatory Liabilities	35.0		39.6		35.9
Total Regulatory Liabilities	$	45.8	$	51.6	$	61.0

A portion of the Company’s and Spire Missouri’s regulatory assets are not earning a return, as shown in the table below:



	Spire						Spire Missouri
	March 31,		September 30,		March 31,		March 31,		September 30,		March 31,
	2018		2017		2017		2018		2017		2017
Future income taxes due from customers	$	113.0	$	170.5	$	159.7	$	111.4	$	170.5	$	159.7
Pension and postretirement benefit costs	185.8		198.5		241.0		185.8		198.5		241.0
Other	11.0		11.3		11.8		11.0		11.3		11.8
Total Regulatory Assets Not Earning a Return	$	309.8	$	380.3	$	412.5	$	308.2	$	380.3	$	412.5

Schedule of regulatory liabilities



	March 31,		September 30,		March 31,
Spire	2018		2017		2017
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	43.0	$	42.2	$	41.7
Unamortized purchased gas adjustments	32.6		102.6		61.0
Other	22.1		30.7		23.1
Total Current Regulatory Assets	97.7		175.5		125.8
Noncurrent:
Future income taxes due from customers	113.0		170.5		159.7
Pension and postretirement benefit costs	358.2		404.7		461.8
Cost of removal	125.0		123.3		133.9
Unamortized purchased gas adjustments	—		9.9		1.1
Energy efficiency	31.3		29.0		27.0
Other	46.1		53.7		44.2
Total Noncurrent Regulatory Assets	673.6		791.1		827.7
Total Regulatory Assets	$	771.3	$	966.6	$	953.5
Regulatory Liabilities:
Current:
Rate Stabilization and Equalization (RSE) adjustment	$	—	$	1.4	$	1.1
Unbilled service margin	—		—		13.5
Refundable negative salvage	5.3		8.2		8.1
Unamortized purchased gas adjustments	1.5		1.0		1.6
Other	15.4		12.0		7.0
Total Current Regulatory Liabilities	22.2		22.6		31.3
Noncurrent:
Deferred taxes due to customers	170.7		—		—
Pension and postretirement benefit costs	30.8		32.2		27.6
Refundable negative salvage	0.6		4.1		4.9
Accrued cost of removal	71.0		83.8		75.3
Unamortized purchased gas adjustments	50.3		1.9		2.0
Other	29.7		35.2		34.3
Total Noncurrent Regulatory Liabilities	353.1		157.2		144.1
Total Regulatory Liabilities	$	375.3	$	179.8	$	175.4



	March 31,		September 30,		March 31,
Spire Missouri	2018		2017		2017
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	34.9	$	34.9	$	34.8
Unamortized purchased gas adjustments	13.5		57.4		17.1
Other	3.3		3.3		3.4
Total Current Regulatory Assets	51.7		95.6		55.3
Noncurrent:
Future income taxes due from customers	111.4		170.5		159.7
Pension and postretirement benefit costs	279.0		322.7		358.3
Unamortized purchased gas adjustments	—		9.9		1.1
Energy efficiency	31.3		29.0		27.0
Other	24.9		25.7		23.3
Total Noncurrent Regulatory Assets	446.6		557.8		569.4
Total Regulatory Assets	$	498.3	$	653.4	$	624.7
Regulatory Liabilities:
Current:
Other	$	2.7	$	2.7	$	2.7
Total Current Regulatory Liabilities	2.7		2.7		2.7
Noncurrent:
Deferred taxes due to customers	152.6		—		—
Accrued cost of removal	48.7		54.5		55.6
Unamortized purchased gas adjustments	50.3		1.9		2.0
Other	20.9		24.8		26.9
Total Noncurrent Regulatory Liabilities	272.5		81.2		84.5
Total Regulatory Liabilities	$	275.2	$	83.9	$	87.2



	March 31,		September 30,		March 31,
Spire Alabama	2018		2017		2017
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	7.1	$	7.2	$	6.8
Unamortized purchased gas adjustments	19.0		45.2		43.9
Other	6.0		12.2		4.4
Total Current Regulatory Assets	32.1		64.6		55.1
Noncurrent:
Pension and postretirement benefit costs	71.2		72.6		94.4
Cost of removal	125.0		123.3		133.9
Other	2.7		1.1		1.0
Total Noncurrent Regulatory Assets	198.9		197.0		229.3
Total Regulatory Assets	$	231.0	$	261.6	$	284.4
Regulatory Liabilities:
Current:
RSE adjustment	$	—	$	1.4	$	1.1
Unbilled service margin	—		—		13.5
Refundable negative salvage	5.3		8.2		8.1
Other	5.5		2.4		2.4
Total Current Regulatory Liabilities	10.8		12.0		25.1
Noncurrent:
Pension and postretirement benefit costs	30.8		32.2		27.6
Refundable negative salvage	0.6		4.1		4.9
Other	3.6		3.3		3.4
Total Noncurrent Regulatory Liabilities	35.0		39.6		35.9
Total Regulatory Liabilities	$	45.8	$	51.6	$	61.0