Income Taxes (Tables)

3 Months Ended

Mar. 31, 2015

Schedule Of Effective Income Tax Rate Reconciliation

Three Months Ended March 31	2015			2014
CMS Energy, including Consumers
U.S. federal income tax rate		35.0	%		35.0	%
Increase (decrease) in income taxes from:
State and local income taxes, net of federal effect		4.8			4.9
Accelerated flow-through of regulatory tax benefits		(4.9)			(5.4)
Other, net		(1.8)			(0.5)
Effective tax rate		33.1	%		34.0	%
Consumers
U.S. federal income tax rate		35.0	%		35.0	%
Increase (decrease) in income taxes from:
State and local income taxes, net of federal effect		4.7			4.9
Accelerated flow-through of regulatory tax benefits		(4.4)			(4.8)
Other, net		(1.5)			(0.7)
Effective tax rate		33.8	%		34.4	%

Consumers Energy Company [Member]

Schedule Of Effective Income Tax Rate Reconciliation

Three Months Ended March 31	2015			2014
CMS Energy, including Consumers
U.S. federal income tax rate		35.0	%		35.0	%
Increase (decrease) in income taxes from:
State and local income taxes, net of federal effect		4.8			4.9
Accelerated flow-through of regulatory tax benefits		(4.9)			(5.4)
Other, net		(1.8)			(0.5)
Effective tax rate		33.1	%		34.0	%
Consumers
U.S. federal income tax rate		35.0	%		35.0	%
Increase (decrease) in income taxes from:
State and local income taxes, net of federal effect		4.7			4.9
Accelerated flow-through of regulatory tax benefits		(4.4)			(4.8)
Other, net		(1.5)			(0.7)
Effective tax rate		33.8	%		34.4	%