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| Nine Months Ended September 30 |
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2011 |
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|
2010 |
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|
CMS Energy, Including Consumers |
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|
U.S. federal income tax rate |
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|
35.0 |
% |
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|
35.0 |
% |
|
Increase (decrease) in income taxes from: |
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|
|
|
|
|
|
|
|
MCIT law change, net of federal expense |
|
|
(5.9 |
) |
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|
— |
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|
State and local income taxes, net of federal benefit |
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|
3.4 |
|
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|
4.0 |
|
|
Medicare Part D exempt income, net of law change |
|
|
(0.9 |
) |
|
|
(0.9 |
) |
|
Income tax credit amortization |
|
|
(0.6 |
) |
|
|
(0.6 |
) |
|
Other, net |
|
|
0.1 |
|
|
|
0.9 |
|
| |
|
Effective income tax rate |
|
|
31.1 |
% |
|
|
38.4 |
% |
| |
|
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 benefit |
|
|
3.1 |
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|
3.5 |
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|
Medicare Part D exempt income, net of law change |
|
|
(0.8 |
) |
|
|
(1.3 |
) |
|
Plant basis differences |
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|
0.2 |
|
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|
0.3 |
|
|
Income tax credit amortization |
|
|
(0.5 |
) |
|
|
(0.5 |
) |
|
Other, net |
|
|
(0.3 |
) |
|
|
(0.2 |
) |
| |
|
Effective income tax rate |
|
|
36.7 |
% |
|
|
36.8 |
% |
| |