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 ) .

Amount (In Millions)
2014 net revenue
$2,224
Nuclear realized price changes
(310)
Vermont Yankee shutdown in December 2014
(305)
Nuclear volume, excluding Vermont Yankee effect
20
Other
37
2015 net revenue
$1,666

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: Analyse this data from a financial earnings document. what percentage of 2015 net revenue relates to the nuclear volume impact?
Choices:
-0.012
0
1686
0.012
83.3
Correct choice index: 3