Quarterly Financial And Common Stock Information (Unaudited)

12 Months Ended

Dec. 31, 2020

Quarterly Financial and Common Stock Information [Line Items]

Quarterly Financial and Common Stock Information (Unaudited)

Quarterly Financial and Common Stock Information (Unaudited)

In Millions, Except Per Share Amounts
	2020
Three Months Ended	March 31			June 30			September 30			December 31
CMS Energy, including Consumers
Operating revenue		$	1,864		$	1,443		$	1,575		$	1,798
Operating income		368			273			369			352
Net income		243			137			210			162
Income (loss) attributable to noncontrolling interests		—			1			(8)			4
Net income available to common stockholders		243			136			218			158
Basic earnings per average common share1		0.86			0.48			0.76			0.55
Diluted earnings per average common share1		0.85			0.48			0.76			0.55
Consumers
Operating revenue		$	1,744		$	1,330		$	1,450		$	1,665
Operating income		329			246			338			308
Net income		235			160			230			191
Preferred stock dividends		—			1			—			1
Net income available to common stockholder		235			159			230			190

1The sum of the quarters may not equal annual EPS due to changes in the number of shares outstanding.

In Millions, Except Per Share Amounts
	2019
Three Months Ended	March 31			June 30			September 30			December 31
CMS Energy, including Consumers
Operating revenue		$	2,059		$	1,445		$	1,546		$	1,795
Operating income		359			218			351			311
Net income		213			94			207			168
Income attributable to noncontrolling interests		—			1			—			1
Net income available to common stockholders		213			93			207			167
Basic earnings per average common share1		0.75			0.33			0.73			0.59
Diluted earnings per average common share1		0.75			0.33			0.73			0.58
Consumers
Operating revenue		$	1,943		$	1,334		$	1,429		$	1,670
Operating income		328			175			319			308
Net income		226			98			213			206
Preferred stock dividends		—			1			—			1
Net income available to common stockholder		226			97			213			205

1The sum of the quarters may not equal annual EPS due to changes in the number of shares outstanding.

Consumers Energy Company

Quarterly Financial and Common Stock Information [Line Items]

Quarterly Financial and Common Stock Information (Unaudited)

Quarterly Financial and Common Stock Information (Unaudited)

In Millions, Except Per Share Amounts
	2020
Three Months Ended	March 31			June 30			September 30			December 31
CMS Energy, including Consumers
Operating revenue		$	1,864		$	1,443		$	1,575		$	1,798
Operating income		368			273			369			352
Net income		243			137			210			162
Income (loss) attributable to noncontrolling interests		—			1			(8)			4
Net income available to common stockholders		243			136			218			158
Basic earnings per average common share1		0.86			0.48			0.76			0.55
Diluted earnings per average common share1		0.85			0.48			0.76			0.55
Consumers
Operating revenue		$	1,744		$	1,330		$	1,450		$	1,665
Operating income		329			246			338			308
Net income		235			160			230			191
Preferred stock dividends		—			1			—			1
Net income available to common stockholder		235			159			230			190

1The sum of the quarters may not equal annual EPS due to changes in the number of shares outstanding.

In Millions, Except Per Share Amounts
	2019
Three Months Ended	March 31			June 30			September 30			December 31
CMS Energy, including Consumers
Operating revenue		$	2,059		$	1,445		$	1,546		$	1,795
Operating income		359			218			351			311
Net income		213			94			207			168
Income attributable to noncontrolling interests		—			1			—			1
Net income available to common stockholders		213			93			207			167
Basic earnings per average common share1		0.75			0.33			0.73			0.59
Diluted earnings per average common share1		0.75			0.33			0.73			0.58
Consumers
Operating revenue		$	1,943		$	1,334		$	1,429		$	1,670
Operating income		328			175			319			308
Net income		226			98			213			206
Preferred stock dividends		—			1			—			1
Net income available to common stockholder		226			97			213			205

1The sum of the quarters may not equal annual EPS due to changes in the number of shares outstanding.