Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating Revenue	$ 1,443	$ 1,445	$ 3,307	$ 3,504
Operating Expenses
Fuel for electric generation	63	119	166	261
Purchased power – related parties	14	16	32	34
Maintenance and other operating expenses	351	343	666	697
Depreciation and amortization	223	216	539	514
General taxes	75	71	189	177
Total operating expenses	1,170	1,227	2,666	2,927
Operating Income	273	218	641	577
Other Income (Expense)
Interest income	1	2	2	3
Interest and dividend income – related parties	0	0	7	0
Allowance for equity funds used during construction	2	3	3	5
Income (loss) from equity method investees	(2)	2	1	1
Nonoperating retirement benefits, net	30	23	61	46
Other income	2	2	2	3
Other expense	(1)	(5)	(5)	(8)
Total other income	32	27	71	50
Interest Charges
Interest on long-term debt	121	110	237	216
Interest expense – related parties	3	3	6	3
Other interest expense	17	19	36	35
Allowance for borrowed funds used during construction	0	(1)	(1)	(2)
Total interest charges	141	131	278	252
Income Before Income Taxes	164	114	434	375
Income Tax Expense	27	20	54	68
Net Income	137	94	380	307
Income Attributable to Noncontrolling Interests	1	1	1	1
Net Income Available to Common Stockholders	$ 136	$ 93	$ 379	$ 306
Basic earnings per average common share (in dollars per share)	$ 0.48	$ 0.33	$ 1.33	$ 1.08
Diluted earnings per average common share (in dollars per share)	$ 0.48	$ 0.33	$ 1.33	$ 1.08
Consumers Energy Company
Operating Revenue	$ 1,330	$ 1,334	$ 3,074	$ 3,277
Operating Expenses
Fuel for electric generation	43	88	122	194
Purchased and interchange power	354	350	701	724
Purchased power – related parties	14	16	32	34
Cost of gas sold	80	104	350	505
Maintenance and other operating expenses	302	320	580	639
Depreciation and amortization	218	212	530	506
General taxes	73	69	184	172
Total operating expenses	1,084	1,159	2,499	2,774
Operating Income	246	175	575	503
Other Income (Expense)
Interest income	1	1	2	2
Interest and dividend income – related parties	1	1	2	2
Allowance for equity funds used during construction	2	3	3	5
Nonoperating retirement benefits, net	28	22	57	43
Other income	2	1	2	2
Other expense	(2)	(5)	(5)	(8)
Total other income	32	23	61	46
Interest Charges
Interest on long-term debt	77	68	151	137
Interest expense – related parties	3	3	6	3
Other interest expense	2	4	5	7
Allowance for borrowed funds used during construction	0	(1)	(1)	(2)
Total interest charges	82	74	161	145
Income Before Income Taxes	196	124	475	404
Income Tax Expense	36	26	80	80
Net Income	160	98	395	324
Preferred Stock Dividends	1	1	1	1
Net Income Available to Common Stockholder	159	97	394	323
Purchased and interchange power
Operating Expenses
Cost of sales	362	356	719	734
Cost of gas sold
Operating Expenses
Cost of sales	$ 82	$ 106	$ 355	$ 510