entergy arkansas , inc .management's financial discussion and analysis financing alternatives for any such spending , and future spending estimates could change based on the results of this continuing analysis .entergy's utility supply plan initiative will continue to seek to transform its generation portfolio with new or repowered generation resources .opportunities resulting from the supply plan initiative , including new projects or the exploration of alternative financing sources , could result in increases or decreases in the capital expenditure estimates given above .the estimated capital expenditures are subject to periodic review and modification and may vary based on the ongoing effects of regulatory constraints , market volatility , economic trends , environmental compliance , and the ability to access capital .management provides more information on long-term debt and preferred stock maturities in notes 5 and 6 to the financial statements .as a wholly-owned subsidiary , entergy arkansas pays dividends to entergy corporation from its earnings at a percentage determined monthly .entergy arkansas' long-term debt indentures restrict the amount of retained earnings available for the payment of cash dividends or other distributions on its common and preferred stock .as of december 31 , 2008 , entergy arkansas had restricted retained earnings unavailable for distribution to entergy corporation of $ 461.6 million .sources of capital entergy arkansas' sources to meet its capital requirements include : internally generated funds ; cash on hand ; debt or preferred stock issuances ; and bank financing under new or existing facilities .entergy arkansas may refinance or redeem debt and preferred stock prior to maturity , to the extent market conditions and interest and dividend rates are favorable .all debt and common and preferred stock issuances by entergy arkansas require prior regulatory approval .preferred stock and debt issuances are also subject to issuance tests set forth in entergy arkansas' corporate charters , bond indentures , and other agreements .entergy arkansas has sufficient capacity under these tests to meet its foreseeable capital needs .in april 2008 , entergy arkansas renewed its $ 100 million credit facility through april 2009 .the credit facility requires that entergy arkansas maintain a debt ratio of 65% ( 65 % ) or less of it total capitalization .there were no outstanding borrowings under the entergy arkansas credit facility as of december 31 , 2008 .in july 2008 , entergy arkansas issued $ 300 million of 5.40% ( 5.40 % ) series first mortgage bonds due august 2013 .entergy arkansas used a portion of the net proceeds to fund the purchase of the ouachita power plant on september 30 , 2008 , and the remaining net proceeds will be used to fund improvements relating to the ouachita power plant and for general corporate purposes .entergy arkansas' receivables from or ( payables to ) the money pool were as follows as of december 31 for each of the following years: .
[['2008', '2007', '2006', '2005'], ['( in thousands )', '( in thousands )', '( in thousands )', '( in thousands )'], ['$ 15991', '( $ 77882 )', '$ 16109', '( $ 27346 )']]
in may 2007 , $ 1.8 million of entergy arkansas' receivable from the money pool was replaced by a note receivable from entergy new orleans .see note 4 to the financial statements for a description of the money pool. .

Question: what is the annual interest expense related to the series first mortgage bonds due august 2013 , in millions?
Answer: 16.2