entergy corporation and subsidiaries management 2019s financial discussion and analysis the volume/weather variance is primarily due to an increase of 1402 gwh , or 1% ( 1 % ) , in billed electricity usage , including an increase in industrial usage and the effect of more favorable weather . the increase in industrial sales was primarily due to expansion in the chemicals industry and the addition of new customers , partially offset by decreased demand primarily due to extended maintenance outages for existing chemicals customers . the waterford 3 replacement steam generator provision is due to a regulatory charge of approximately $ 32 million recorded in 2015 related to the uncertainty associated with the resolution of the waterford 3 replacement steam generator project . see note 2 to the financial statements for a discussion of the waterford 3 replacement steam generator prudence review proceeding . the miso deferral variance is primarily due to the deferral in 2014 of non-fuel miso-related charges , as approved by the lpsc and the mpsc . the deferral of non-fuel miso-related charges is partially offset in other operation and maintenance expenses . see note 2 to the financial statements for further discussion of the recovery of non-fuel miso-related charges . the louisiana business combination customer credits variance is due to a regulatory liability of $ 107 million recorded by entergy in october 2015 as a result of the entergy gulf states louisiana and entergy louisiana business combination . consistent with the terms of the stipulated settlement in the business combination proceeding , electric customers of entergy louisiana will realize customer credits associated with the business combination ; accordingly , in october 2015 , entergy recorded a regulatory liability of $ 107 million ( $ 66 million net-of-tax ) . see note 2 to the financial statements for further discussion of the business combination and customer credits . entergy wholesale commodities following is an analysis of the change in net revenue comparing 2015 to 2014 . amount ( in millions ) .

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• , amount ( in millions )
• 2014 net revenue, $ 2224
• nuclear realized price changes, -310 ( 310 )
• vermont yankee shutdown in december 2014, -305 ( 305 )
• nuclear volume excluding vermont yankee effect, 20
• other, 37
• 2015 net revenue, $ 1666
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as shown in the table above , net revenue for entergy wholesale commodities decreased by approximately $ 558 million in 2016 primarily due to : 2022 lower realized wholesale energy prices , primarily due to significantly higher northeast market power prices in 2014 , and lower capacity prices in 2015 ; and 2022 a decrease in net revenue as a result of vermont yankee ceasing power production in december 2014 . the decrease was partially offset by higher volume in the entergy wholesale commodities nuclear fleet , excluding vermont yankee , resulting from fewer refueling outage days in 2015 as compared to 2014 , partially offset by more unplanned outage days in 2015 as compared to 2014. .

Question: what percentage of 2015 net revenue relates to the nuclear volume impact?
Program: divide(20, 1666)
Answer: 0.012