entergy louisiana , llc and subsidiaries management 2019s financial discussion and analysis in industrial usage is primarily due to increased demand from new customers and expansion projects , primarily in the chemicals industry . the louisiana act 55 financing savings obligation variance results from a regulatory charge for tax savings to be shared with customers per an agreement approved by the lpsc . the tax savings resulted from the 2010-2011 irs audit settlement on the treatment of the louisiana act 55 financing of storm costs for hurricane gustav and hurricane ike . see note 3 to the financial statements for additional discussion of the settlement and benefit sharing . included in other is a provision of $ 23 million recorded in 2016 related to the settlement of the waterford 3 replacement steam generator prudence review proceeding , offset by a provision of $ 32 million recorded in 2015 related to the uncertainty at that time associated with the resolution of the waterford 3 replacement steam generator prudence review proceeding . see note 2 to the financial statements for a discussion of the waterford 3 replacement steam generator prudence review proceeding . 2015 compared to 2014 net revenue consists of operating revenues net of : 1 ) fuel , fuel-related expenses , and gas purchased for resale , 2 ) purchased power expenses , and 3 ) other regulatory charges ( credits ) . following is an analysis of the change in net revenue comparing 2015 to 2014 . amount ( in millions ) .

amount ( in millions ): 2014 net revenue: 2246.1
retail electric price: 180
volume/weather: 39.5
waterford 3 replacement steam generator provision: -32
miso deferral: -32
other: 7.2
2015 net revenue: 2408.8

the retail electric price variance is primarily due to formula rate plan increases , as approved by the lpsc , effective december 2014 and january 2015 . entergy louisiana 2019s formula rate plan increases are discussed in note 2 to the financial statements . the volume/weather variance is primarily due to an increase of 841 gwh , or 2% ( 2 % ) , in billed electricity usage , as a result of increased industrial usage primarily due to increased demand for existing large refinery customers , new customers , and expansion projects primarily in the chemicals industry , partially offset by a decrease in demand in the chemicals industry as a result of a seasonal outage for an existing customer . 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 due to the deferral in 2014 of non-fuel miso-related charges , as approved by the lpsc . 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. .

Questions:
what was the difference in net revenue between 2015 and 2014?
and what was the net revenue in 2014?
how much, then, does that difference represent in relation to the 2014 net revenue?

Answers:
162.7
2246.1
7.2%