as shown in the table above , net revenue for entergy wholesale commodities decreased by $ 191 million , or 9% ( 9 % ) , in 2012 compared to 2011 primarily due to lower pricing in its contracts to sell power and lower volume in its nuclear fleet resulting from more unplanned and refueling outage days in 2012 as compared to 2011 which was partially offset by the exercise of resupply options provided for in purchase power agreements whereby entergy wholesale commodities may elect to supply power from another