The table below presents our estimated minimum fuel, purchased power, and other commitments for fuel at September 30, 2018. Ameren’s and Ameren Illinois’ purchased power commitments include the Ameren Illinois agreements entered into as part of the IPA-administered power procurement process. Included in the Other column are minimum purchase commitments under contracts for equipment, design and construction, and meter reading services, among other agreements, at September 30, 2018.



	Coal		Natural Gas^(a)		Nuclear Fuel		Purchased Power^(b)(c)		Methane Gas		Other		Total
Ameren:^(d)
2018	$	86	$	55	$	36	$	60	$	1	$	38	$	276
2019	319		189		26		157		4		51		746
2020	159		131		38		53		4		41		426
2021	121		70		56		10		5		30		292
2022	73		19		13		—		5		25		135
Thereafter	—		39		72		—		58		92		261
Total	$	758	$	503	$	241	$	280	$	77	$	277	$	2,136
Ameren Missouri:
2018	$	86	$	11	$	36	$	—	$	1	$	31	$	165
2019	319		39		26		—		4		35		423
2020	159		30		38		—		4		25		256
2021	121		14		56		—		5		25		221
2022	73		5		13		—		5		25		121
Thereafter	—		17		72		—		58		75		222
Total	$	758	$	116	$	241	$	—	$	77	$	216	$	1,408
Ameren Illinois:
2018	$	—	$	44	$	—	$	60	$	—	$	4	$	108
2019	—		150		—		157		—		7		314
2020	—		100		—		53		—		7		160
2021	—		56		—		10		—		—		66
2022	—		14		—		—		—		—		14
Thereafter	—		22		—		—		—		—		22
Total	$	—	$	386	$	—	$	280	$	—	$	18	$	684


(a)	Includes amounts for generation and for distribution.


(b)	The purchased power amounts for Ameren and Ameren Illinois exclude agreements for renewable energy credits through 2034 with various renewable energy suppliers due to the contingent nature of the payment amounts.


(c)	The purchased power amounts for Ameren and Ameren Missouri exclude a 102-megawatt power purchase agreement with a wind farm operator, which expires in 2024, due to the contingent nature of the payment amounts.


(d)	Includes amounts for Ameren registrant and nonregistrant subsidiaries.