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Goodwill And Other Intangibles
12 Months Ended
Dec. 31, 2011
Goodwill And Other Intangibles

Note 10. Goodwill and Other Intangibles

As of each of December 31, 2011 and 2010, Power had goodwill of $16 million related to the Bethlehem Energy Center. Power conducted an annual review for goodwill impairment as of October 31, 2011 and concluded that goodwill was not impaired. No events occurred subsequent to that date which would require a further review of goodwill for impairment.

In addition to goodwill, as of December 31, 2011 and 2010, Power had intangible assets of $131 million and $130 million, respectively, related to emissions allowances and renewable energy credits. Emissions expense includes impairments of emissions allowances and costs for emissions, which is recorded as emissions occur. Expense related to renewable energy requirements is recorded as load is served under contracts requiring energy from renewable sources. Such expenses for the years ended December 31, 2011, 2010 and 2009 were as follows:

     Years Ended December 31,  
    

2011

    

2010

    

2009

 
            Millions         

Emissions Expense

   $ 35       $ 52       $ 34   

Renewable Energy Expense

   $ 43       $ 50       $ 46   
Power [Member]
 
Goodwill And Other Intangibles

Note 10. Goodwill and Other Intangibles

As of each of December 31, 2011 and 2010, Power had goodwill of $16 million related to the Bethlehem Energy Center. Power conducted an annual review for goodwill impairment as of October 31, 2011 and concluded that goodwill was not impaired. No events occurred subsequent to that date which would require a further review of goodwill for impairment.

In addition to goodwill, as of December 31, 2011 and 2010, Power had intangible assets of $131 million and $130 million, respectively, related to emissions allowances and renewable energy credits. Emissions expense includes impairments of emissions allowances and costs for emissions, which is recorded as emissions occur. Expense related to renewable energy requirements is recorded as load is served under contracts requiring energy from renewable sources. Such expenses for the years ended December 31, 2011, 2010 and 2009 were as follows:

 

     Years Ended December 31,  
    

2011

    

2010

    

2009

 
            Millions         

Emissions Expense

   $ 35       $ 52       $ 34   

Renewable Energy Expense

   $ 43       $ 50       $ 46