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Comprehensive Income
6 Months Ended
Jun. 30, 2011
Comprehensive Income Disclosure [Abstract]  
Comprehensive Income

3.       Comprehensive Income - MGE Energy and MGE.

 

Total comprehensive income represents the change in equity during a period from transactions and other events and circumstances from nonowner sources. MGE Energy's and MGE's total comprehensive income is:

   Three Months Ended Six Months Ended 
 (In thousands) June 30, June 30, 
   2011 2010 2011 2010 
 MGE Energy         
 Net income$12,723$11,552$30,506$25,812 
 Unrealized gain (loss) on available-for-sale securities, net of tax ($6 and $59, and $54 and $54) 9 (88) 81 (80) 
 Reclassification of realized gain on available-for-sale securities, net of tax ($10 and $-, and $10 and $-) (15) 0 (15) 0 
 Total comprehensive income$12,717$11,464$30,572$25,732 
           
 MGE         
 Net income$12,811$11,725$30,678$25,948 
 Unrealized gain (loss) on available-for-sale securities, net of tax ($2 and $43, and $21 and $34) (3) (65) 32 (51) 
 Reclassification of realized gain on available-for-sale securities, net of tax ($10 and $-, and $10 and $-) (15) 0 (15) 0 
 Total comprehensive income$12,793$11,660$30,695$25,897 
 Less: Comprehensive income attributable to noncontrolling interest (5,992) (4,900) (11,925) (9,996) 
 Comprehensive income attributable to MGE$6,801$6,760$18,770$15,901