amortized over a nine-year period beginning december 2015 . see note 2 to the financial statements for further discussion of the business combination and customer credits . the volume/weather variance is primarily due to the effect of more favorable weather during the unbilled period and an increase in industrial usage , partially offset by the effect of less favorable weather on residential sales . the increase in industrial usage is primarily due to expansion projects , primarily in the chemicals industry , and increased demand from new customers , primarily in the industrial gases 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 . a0 see note 2 to the financial statements for a discussion of the waterford 3 replacement steam generator prudence review proceeding . entergy wholesale commodities following is an analysis of the change in net revenue comparing 2016 to 2015 . amount ( in millions ) .

1	amount ( in millions )
2	2015 net revenue	$ 1666
3	nuclear realized price changes	-149 ( 149 )
4	rhode island state energy center	-44 ( 44 )
5	nuclear volume	-36 ( 36 )
6	fitzpatrick reimbursement agreement	41
7	nuclear fuel expenses	68
8	other	-4 ( 4 )
9	2016 net revenue	$ 1542

as shown in the table above , net revenue for entergy wholesale commodities decreased by approximately $ 124 million in 2016 primarily due to : 2022 lower realized wholesale energy prices and lower capacity prices , the amortization of the palisades below- market ppa , and vermont yankee capacity revenue . the effect of the amortization of the palisades below- market ppa and vermont yankee capacity revenue on the net revenue variance from 2015 to 2016 is minimal ; 2022 the sale of the rhode island state energy center in december 2015 . see note 14 to the financial statements for further discussion of the rhode island state energy center sale ; and 2022 lower volume in the entergy wholesale commodities nuclear fleet resulting from more refueling outage days in 2016 as compared to 2015 and larger exercise of resupply options in 2016 as compared to 2015 . see 201cnuclear matters - indian point 201d below for discussion of the extended indian point 2 outage in the second quarter entergy corporation and subsidiaries management 2019s financial discussion and analysis .

Previous questions in this conversation: what was the 2016 net revenue?
Previous answers: 1542.0
Question: what was the 2015 net revenue?
Answer: 1666