entergy arkansas 2019s receivables from or ( payables to ) the money pool were as follows as of december 31 for each of the following years. .
[['2017', '2016', '2015', '2014'], ['( in thousands )', '( in thousands )', '( in thousands )', '( in thousands )'], ['( $ 166137 )', '( $ 51232 )', '( $ 52742 )', '$ 2218']]
see note 4 to the financial statements for a description of the money pool .entergy arkansas has a credit facility in the amount of $ 150 million scheduled to expire in august 2022 .entergy arkansas also has a $ 20 million credit facility scheduled to expire in april 2018 . a0 a0the $ 150 million credit facility permits the issuance of letters of credit against $ 5 million of the borrowing capacity of the facility .as of december 31 , 2017 , there were no cash borrowings and no letters of credit outstanding under the credit facilities .in addition , entergy arkansas is a party to an uncommitted letter of credit facility as a means to post collateral to support its obligations to miso .as of december 31 , 2017 , a $ 1 million letter of credit was outstanding under entergy arkansas 2019s uncommitted letter of credit facility .see note 4 to the financial statements for further discussion of the credit facilities .the entergy arkansas nuclear fuel company variable interest entity has a credit facility in the amount of $ 80 million scheduled to expire in may 2019 . a0 a0as of december 31 , 2017 , $ 50 million in letters of credit to support a like amount of commercial paper issued and $ 24.9 million in loans were outstanding under the entergy arkansas nuclear fuel company variable interest entity credit facility .see note 4 to the financial statements for further discussion of the nuclear fuel company variable interest entity credit facility .entergy arkansas obtained authorizations from the ferc through october 2019 for short-term borrowings not to exceed an aggregate amount of $ 250 million at any time outstanding and borrowings by its nuclear fuel company variable interest entity .see note 4 to the financial statements for further discussion of entergy arkansas 2019s short-term borrowing limits .the long-term securities issuances of entergy arkansas are limited to amounts authorized by the apsc , and the current authorization extends through december 2018 .entergy arkansas , inc .and subsidiaries management 2019s financial discussion and analysis state and local rate regulation and fuel-cost recovery retail rates 2015 base rate filing in april 2015 , entergy arkansas filed with the apsc for a general change in rates , charges , and tariffs .the filing notified the apsc of entergy arkansas 2019s intent to implement a forward test year formula rate plan pursuant to arkansas legislation passed in 2015 , and requested a retail rate increase of $ 268.4 million , with a net increase in revenue of $ 167 million .the filing requested a 10.2% ( 10.2 % ) return on common equity .in september 2015 the apsc staff and intervenors filed direct testimony , with the apsc staff recommending a revenue requirement of $ 217.9 million and a 9.65% ( 9.65 % ) return on common equity .in december 2015 , entergy arkansas , the apsc staff , and certain of the intervenors in the rate case filed with the apsc a joint motion for approval of a settlement of the case that proposed a retail rate increase of approximately $ 225 million with a net increase in revenue of approximately $ 133 million ; an authorized return on common equity of 9.75% ( 9.75 % ) ; and a formula rate plan tariff that provides a +/- 50 basis point band around the 9.75% ( 9.75 % ) allowed return on common equity .a significant portion of the rate increase is related to entergy arkansas 2019s acquisition in march 2016 of union power station power block 2 for a base purchase price of $ 237 million .the settlement agreement also provided for amortization over a 10-year period of $ 7.7 million of previously-incurred costs related to ano post-fukushima compliance and $ 9.9 million of previously-incurred costs related to ano flood barrier compliance .a settlement hearing was held in january 2016 .in february 2016 the apsc approved the settlement with one exception that reduced the retail rate increase proposed in the settlement by $ 5 million .the settling parties agreed to the apsc modifications in february 2016 .the new rates were effective february 24 , 2016 and began billing with the first billing cycle of april 2016 .in march 2016 , entergy arkansas made a compliance filing regarding the .

Question: what percent of the aggregate borrowing capacity is set to expire in 2019?
Answer: 32%