Revenue (Tables)

6 Months Ended

Jun. 30, 2021

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue

In Millions
Three Months Ended June 30, 2021	Electric Utility			Gas Utility			Enterprises1			Consolidated
CMS Energy, including Consumers
Consumers utility revenue		$	1,158		$	332		$	—		$	1,490
Other		—			—			25			25
Revenue recognized from contracts with customers		$	1,158		$	332		$	25		$	1,515
Leasing income		—			—			40			40
Financing income		2			1			—			3
Total operating revenue – CMS Energy		$	1,160		$	333		$	65		$	1,558
Consumers
Consumers utility revenue
Residential		$	561		$	220					$	781
Commercial		390			59						449
Industrial		153			8						161
Other		54			45						99
Revenue recognized from contracts with customers		$	1,158		$	332					$	1,490
Financing income		2			1						3
Total operating revenue – Consumers		$	1,160		$	333					$	1,493

1Amounts represent the enterprises segment’s operating revenue from independent power production and its sales of energy commodities. The enterprises segment’s sales of energy commodities are accounted for as operating leases. In addition to fixed payments, these agreements have variable payments based on energy delivered. The enterprises segment’s leasing income included variable lease payments of $26 million for the three months ended June 30, 2021.

In Millions
Three Months Ended June 30, 2020	Electric Utility			Gas Utility			Enterprises1			Consolidated
CMS Energy, including Consumers
Consumers utility revenue		$	1,020		$	306		$	—		$	1,326
Other		—			—			17			17
Revenue recognized from contracts with customers		$	1,020		$	306		$	17		$	1,343
Leasing income		—			—			35			35
Financing income		2			2			—			4
Total operating revenue – CMS Energy		$	1,022		$	308		$	52		$	1,382
Consumers
Consumers utility revenue
Residential		$	507		$	206					$	713
Commercial		341			51						392
Industrial		126			7						133
Other		46			42						88
Revenue recognized from contracts with customers		$	1,020		$	306					$	1,326
Financing income		2			2						4
Total operating revenue – Consumers		$	1,022		$	308					$	1,330

1Amounts represent the enterprises segment’s operating revenue from independent power production and its sales of energy commodities. The enterprises segment’s sales of energy commodities are accounted for as operating leases. In addition to fixed payments, these agreements have variable payments based on energy delivered. The enterprises segment’s leasing income included variable lease payments of $21 million for the three months ended June 30, 2020.

In Millions
Six Months Ended June 30, 2021	Electric Utility			Gas Utility			Enterprises1			Consolidated
CMS Energy, including Consumers
Consumers utility revenue		$	2,289		$	1,133		$	—		$	3,422
Other		—			—			55			55
Revenue recognized from contracts with customers		$	2,289		$	1,133		$	55		$	3,477
Leasing income		—			—			86			86
Financing income		5			3			—			8
Total operating revenue – CMS Energy		$	2,294		$	1,136		$	141		$	3,571
Consumers
Consumers utility revenue
Residential		$	1,129		$	774					$	1,903
Commercial		735			222						957
Industrial		291			31						322
Other		134			106						240
Revenue recognized from contracts with customers		$	2,289		$	1,133					$	3,422
Financing income		5			3						8
Total operating revenue – Consumers		$	2,294		$	1,136					$	3,430

1Amounts represent the enterprises segment’s operating revenue from independent power production and its sales of energy commodities. The enterprises segment’s sales of energy commodities are accounted for as

operating leases. In addition to fixed payments, these agreements have variable payments based on energy delivered. The enterprises segment’s leasing income included variable lease payments of $59 million for the six months ended June 30, 2021.

In Millions
Six Months Ended June 30, 2020	Electric Utility			Gas Utility			Enterprises1			Consolidated
CMS Energy, including Consumers
Consumers utility revenue		$	2,045		$	1,020		$	—		$	3,065
Other		—			—			36			36
Revenue recognized from contracts with customers		$	2,045		$	1,020		$	36		$	3,101
Leasing income		—			—			74			74
Financing income		5			4			—			9
Total operating revenue – CMS Energy		$	2,050		$	1,024		$	110		$	3,184
Consumers
Consumers utility revenue
Residential		$	988		$	699					$	1,687
Commercial		680			200						880
Industrial		266			27						293
Other		111			94						205
Revenue recognized from contracts with customers		$	2,045		$	1,020					$	3,065
Financing income		5			4						9
Total operating revenue – Consumers		$	2,050		$	1,024					$	3,074

1Amounts represent the enterprises segment’s operating revenue from independent power production and its sales of energy commodities. The enterprises segment’s sales of energy commodities are accounted for as operating leases. In addition to fixed payments, these agreements have variable payments based on energy delivered. The enterprises segment’s leasing income included variable lease payments of $46 million for the six months ended June 30, 2020.

Consumers Energy Company

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue

In Millions
Three Months Ended June 30, 2021	Electric Utility			Gas Utility			Enterprises1			Consolidated
CMS Energy, including Consumers
Consumers utility revenue		$	1,158		$	332		$	—		$	1,490
Other		—			—			25			25
Revenue recognized from contracts with customers		$	1,158		$	332		$	25		$	1,515
Leasing income		—			—			40			40
Financing income		2			1			—			3
Total operating revenue – CMS Energy		$	1,160		$	333		$	65		$	1,558
Consumers
Consumers utility revenue
Residential		$	561		$	220					$	781
Commercial		390			59						449
Industrial		153			8						161
Other		54			45						99
Revenue recognized from contracts with customers		$	1,158		$	332					$	1,490
Financing income		2			1						3
Total operating revenue – Consumers		$	1,160		$	333					$	1,493

1Amounts represent the enterprises segment’s operating revenue from independent power production and its sales of energy commodities. The enterprises segment’s sales of energy commodities are accounted for as operating leases. In addition to fixed payments, these agreements have variable payments based on energy delivered. The enterprises segment’s leasing income included variable lease payments of $26 million for the three months ended June 30, 2021.

In Millions
Three Months Ended June 30, 2020	Electric Utility			Gas Utility			Enterprises1			Consolidated
CMS Energy, including Consumers
Consumers utility revenue		$	1,020		$	306		$	—		$	1,326
Other		—			—			17			17
Revenue recognized from contracts with customers		$	1,020		$	306		$	17		$	1,343
Leasing income		—			—			35			35
Financing income		2			2			—			4
Total operating revenue – CMS Energy		$	1,022		$	308		$	52		$	1,382
Consumers
Consumers utility revenue
Residential		$	507		$	206					$	713
Commercial		341			51						392
Industrial		126			7						133
Other		46			42						88
Revenue recognized from contracts with customers		$	1,020		$	306					$	1,326
Financing income		2			2						4
Total operating revenue – Consumers		$	1,022		$	308					$	1,330

1Amounts represent the enterprises segment’s operating revenue from independent power production and its sales of energy commodities. The enterprises segment’s sales of energy commodities are accounted for as operating leases. In addition to fixed payments, these agreements have variable payments based on energy delivered. The enterprises segment’s leasing income included variable lease payments of $21 million for the three months ended June 30, 2020.

In Millions
Six Months Ended June 30, 2021	Electric Utility			Gas Utility			Enterprises1			Consolidated
CMS Energy, including Consumers
Consumers utility revenue		$	2,289		$	1,133		$	—		$	3,422
Other		—			—			55			55
Revenue recognized from contracts with customers		$	2,289		$	1,133		$	55		$	3,477
Leasing income		—			—			86			86
Financing income		5			3			—			8
Total operating revenue – CMS Energy		$	2,294		$	1,136		$	141		$	3,571
Consumers
Consumers utility revenue
Residential		$	1,129		$	774					$	1,903
Commercial		735			222						957
Industrial		291			31						322
Other		134			106						240
Revenue recognized from contracts with customers		$	2,289		$	1,133					$	3,422
Financing income		5			3						8
Total operating revenue – Consumers		$	2,294		$	1,136					$	3,430

1Amounts represent the enterprises segment’s operating revenue from independent power production and its sales of energy commodities. The enterprises segment’s sales of energy commodities are accounted for as

operating leases. In addition to fixed payments, these agreements have variable payments based on energy delivered. The enterprises segment’s leasing income included variable lease payments of $59 million for the six months ended June 30, 2021.

In Millions
Six Months Ended June 30, 2020	Electric Utility			Gas Utility			Enterprises1			Consolidated
CMS Energy, including Consumers
Consumers utility revenue		$	2,045		$	1,020		$	—		$	3,065
Other		—			—			36			36
Revenue recognized from contracts with customers		$	2,045		$	1,020		$	36		$	3,101
Leasing income		—			—			74			74
Financing income		5			4			—			9
Total operating revenue – CMS Energy		$	2,050		$	1,024		$	110		$	3,184
Consumers
Consumers utility revenue
Residential		$	988		$	699					$	1,687
Commercial		680			200						880
Industrial		266			27						293
Other		111			94						205
Revenue recognized from contracts with customers		$	2,045		$	1,020					$	3,065
Financing income		5			4						9
Total operating revenue – Consumers		$	2,050		$	1,024					$	3,074

1Amounts represent the enterprises segment’s operating revenue from independent power production and its sales of energy commodities. The enterprises segment’s sales of energy commodities are accounted for as operating leases. In addition to fixed payments, these agreements have variable payments based on energy delivered. The enterprises segment’s leasing income included variable lease payments of $46 million for the six months ended June 30, 2020.