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Energy and Related Sales, Net
12 Months Ended
Dec. 31, 2013
Text Block [Abstract]  
Energy and Related Sales, Net
4. ENERGY AND RELATED SALES, NET

We sell excess power generated by the Spring Grove, PA facility. We also sell renewable energy credits generated by the Spring Grove, PA and Chillicothe, OH facilities representing sales of certified credits earned related to burning renewable sources of energy such as black liquor and wood waste.

The following table summarizes this activity for each of the past three years:

 

In thousands

    2013        2012        2011   

Energy sales

  $ 8,189      $ 5,284      $ 10,992   

Costs to produce

    (6,784     (4,187     (9,319

Net energy sales

    1,405        1,097        1,673   

Renewable energy credits

    1,748        5,903        7,671   

Total energy and related sales, net

  $ 3,153      $ 7,000      $ 9,344