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Quarterly Financial And Common Stock Information | 12 Months Ended
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Dec. 31, 2015
Quarterly Financial and Common Stock Information | 20:Q uarterly Financial and Common Stock Information (Unaudited)
In Millions, Except Per Share Amounts and Stock Prices
| 2015
Quarters Ended | March 31 | June 30 | Sept 30 | Dec 31 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 2,111 |  | $ | 1,350 |  | $ | 1,486 |  | $ | 1,509 |
Operating income |  |  | 397 |  |  | 204 |  |  | 317 |  |  | 245 |
Net income |  |  | 202 |  |  | 68 |  |  | 148 |  |  | 107 |
Income attributable to noncontrolling interests |  |  | - |  |  | 1 |  |  | - |  |  | 1 |
Net income available to common stockholders |  |  | 202 |  |  | 67 |  |  | 148 |  |  | 106 |
Basic earnings per average common share 1 |  |  | 0.73 |  |  | 0.25 |  |  | 0.53 |  |  | 0.39 |
Diluted earnings per average common share 1 |  |  | 0.73 |  |  | 0.25 |  |  | 0.53 |  |  | 0.38 |
Common stock prices 2 |  |  |  |  |  |  |  |  |  |  |  |  |
High |  |  | 38.20 |  |  | 35.57 |  |  | 35.82 |  |  | 37.17 |
Low |  |  | 32.83 |  |  | 31.39 |  |  | 32.10 |  |  | 34.24 |
Consumers |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 2,028 |  | $ | 1,281 |  | $ | 1,417 |  | $ | 1,439 |
Operating income |  |  | 379 |  |  | 192 |  |  | 305 |  |  | 246 |
Net income |  |  | 215 |  |  | 84 |  |  | 160 |  |  | 135 |
Preferred stock dividends |  |  | - |  |  | 1 |  |  | - |  |  | 1 |
Net income available to common stockholder |  |  | 215 |  |  | 83 |  |  | 160 |  |  | 134 |
In Millions, Except Per Share Amounts and Stock Prices
| 2014
Quarters Ended | March 31 | June 30 | Sept 30 | Dec 31 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 2,523 |  | $ | 1,468 |  | $ | 1,430 |  | $ | 1,758 |
Operating income |  |  | 408 |  |  | 235 |  |  | 236 |  |  | 273 |
Net income |  |  | 204 |  |  | 84 |  |  | 94 |  |  | 97 |
Income attributable to noncontrolling interests |  |  | - |  |  | 1 |  |  | - |  |  | 1 |
Net income available to common stockholders |  |  | 204 |  |  | 83 |  |  | 94 |  |  | 96 |
Basic earnings per average common share 1 |  |  | 0.77 |  |  | 0.31 |  |  | 0.34 |  |  | 0.35 |
Diluted earnings per average common share 1 |  |  | 0.75 |  |  | 0.30 |  |  | 0.34 |  |  | 0.35 |
Common stock prices 2 |  |  |  |  |  |  |  |  |  |  |  |  |
High |  |  | 29.28 |  |  | 31.15 |  |  | 30.87 |  |  | 36.42 |
Low |  |  | 26.12 |  |  | 28.87 |  |  | 28.18 |  |  | 29.78 |
Consumers |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 2,382 |  | $ | 1,387 |  | $ | 1,359 |  | $ | 1,672 |
Operating income |  |  | 399 |  |  | 227 |  |  | 245 |  |  | 264 |
Net income |  |  | 221 |  |  | 109 |  |  | 119 |  |  | 118 |
Preferred stock dividends |  |  | - |  |  | 1 |  |  | - |  |  | 1 |
Net income available to common stockholder |  |  | 221 |  |  | 108 |  |  | 119 |  |  | 117 |
| 1 |  | The sum of the quarters may not equal annual EPS due to changes in the number of shares outstanding.
| 2 |  | Based on New York Stock Exchange composite transactions.
Consumers Energy Company [Member] |
Quarterly Financial and Common Stock Information | 20:Q uarterly Financial and Common Stock Information (Unaudited)
In Millions, Except Per Share Amounts and Stock Prices
| 2015
Quarters Ended | March 31 | June 30 | Sept 30 | Dec 31 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 2,111 |  | $ | 1,350 |  | $ | 1,486 |  | $ | 1,509 |
Operating income |  |  | 397 |  |  | 204 |  |  | 317 |  |  | 245 |
Net income |  |  | 202 |  |  | 68 |  |  | 148 |  |  | 107 |
Income attributable to noncontrolling interests |  |  | - |  |  | 1 |  |  | - |  |  | 1 |
Net income available to common stockholders |  |  | 202 |  |  | 67 |  |  | 148 |  |  | 106 |
Basic earnings per average common share 1 |  |  | 0.73 |  |  | 0.25 |  |  | 0.53 |  |  | 0.39 |
Diluted earnings per average common share 1 |  |  | 0.73 |  |  | 0.25 |  |  | 0.53 |  |  | 0.38 |
Common stock prices 2 |  |  |  |  |  |  |  |  |  |  |  |  |
High |  |  | 38.20 |  |  | 35.57 |  |  | 35.82 |  |  | 37.17 |
Low |  |  | 32.83 |  |  | 31.39 |  |  | 32.10 |  |  | 34.24 |
Consumers |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 2,028 |  | $ | 1,281 |  | $ | 1,417 |  | $ | 1,439 |
Operating income |  |  | 379 |  |  | 192 |  |  | 305 |  |  | 246 |
Net income |  |  | 215 |  |  | 84 |  |  | 160 |  |  | 135 |
Preferred stock dividends |  |  | - |  |  | 1 |  |  | - |  |  | 1 |
Net income available to common stockholder |  |  | 215 |  |  | 83 |  |  | 160 |  |  | 134 |
In Millions, Except Per Share Amounts and Stock Prices
| 2014
Quarters Ended | March 31 | June 30 | Sept 30 | Dec 31 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 2,523 |  | $ | 1,468 |  | $ | 1,430 |  | $ | 1,758 |
Operating income |  |  | 408 |  |  | 235 |  |  | 236 |  |  | 273 |
Net income |  |  | 204 |  |  | 84 |  |  | 94 |  |  | 97 |
Income attributable to noncontrolling interests |  |  | - |  |  | 1 |  |  | - |  |  | 1 |
Net income available to common stockholders |  |  | 204 |  |  | 83 |  |  | 94 |  |  | 96 |
Basic earnings per average common share 1 |  |  | 0.77 |  |  | 0.31 |  |  | 0.34 |  |  | 0.35 |
Diluted earnings per average common share 1 |  |  | 0.75 |  |  | 0.30 |  |  | 0.34 |  |  | 0.35 |
Common stock prices 2 |  |  |  |  |  |  |  |  |  |  |  |  |
High |  |  | 29.28 |  |  | 31.15 |  |  | 30.87 |  |  | 36.42 |
Low |  |  | 26.12 |  |  | 28.87 |  |  | 28.18 |  |  | 29.78 |
Consumers |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 2,382 |  | $ | 1,387 |  | $ | 1,359 |  | $ | 1,672 |
Operating income |  |  | 399 |  |  | 227 |  |  | 245 |  |  | 264 |
Net income |  |  | 221 |  |  | 109 |  |  | 119 |  |  | 118 |
Preferred stock dividends |  |  | - |  |  | 1 |  |  | - |  |  | 1 |
Net income available to common stockholder |  |  | 221 |  |  | 108 |  |  | 119 |  |  | 117 |
| 1 |  | The sum of the quarters may not equal annual EPS due to changes in the number of shares outstanding.
| 2 |  | Based on New York Stock Exchange composite transactions.

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