Please answer the given financial question based on the context.
Context: entergy louisiana , llc and subsidiaries management 2019s financial discussion and analysis results of operations net income 2017 compared to 2016 net income decreased $ 305.7 million primarily due to the effect of the enactment of the tax cuts and jobs act , in december 2017 , which resulted in a decrease of $ 182.6 million in net income in 2017 , and the effect of a settlement with the irs related to the 2010-2011 irs audit , which resulted in a $ 136.1 million reduction of income tax expense in 2016 . also contributing to the decrease in net income were higher other operation and maintenance expenses . the decrease was partially offset by higher net revenue and higher other income . see note 3 to the financial statements for discussion of the effects of the tax cuts and jobs act and the irs audit . 2016 compared to 2015 net income increased $ 175.4 million primarily due to the effect of a settlement with the irs related to the 2010-2011 irs audit , which resulted in a $ 136.1 million reduction of income tax expense in 2016 . also contributing to the increase were lower other operation and maintenance expenses , higher net revenue , and higher other income . the increase was partially offset by higher depreciation and amortization expenses , higher interest expense , and higher nuclear refueling outage expenses . see note 3 to the financial statements for discussion of the irs audit . net revenue 2017 compared to 2016 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 2017 to 2016 . amount ( in millions ) .
||amount ( in millions )|
|2016 net revenue|$ 2438.4|
|regulatory credit resulting from reduction of thefederal corporate income tax rate|55.5|
|retail electric price|42.8|
|louisiana act 55 financing savings obligation|17.2|
|volume/weather|-12.4 ( 12.4 )|
|other|19.0|
|2017 net revenue|$ 2560.5|
the regulatory credit resulting from reduction of the federal corporate income tax rate variance is due to the reduction of the vidalia purchased power agreement regulatory liability by $ 30.5 million and the reduction of the louisiana act 55 financing savings obligation regulatory liabilities by $ 25 million as a result of the enactment of the tax cuts and jobs act , in december 2017 , which lowered the federal corporate income tax rate from 35% ( 35 % ) to 21% ( 21 % ) . the effects of the tax cuts and jobs act are discussed further in note 3 to the financial statements. .
Question: how much higher was net revenue in 2017 than in 2016 ? ( in millions )
Answer:
122.1