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', '180.0'], ['volume/weather', '39.5'], ['waterford 3 replacement steam generator provision', '-32.0 ( 32.0 )'], ['miso deferral', '-32.0 ( 32.0 )'], ['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. .

Question: the retail electric price adjustment accounted for what percentage of the 2015 total net revenue?
Answer: 7.5%