Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.

Text: part i item 1 entergy corporation , utility operating companies , and system energy louisiana parishes in which it holds non-exclusive franchises . entergy louisiana's electric franchises expire during 2009-2036 . entergy mississippi has received from the mpsc certificates of public convenience and necessity to provide electric service to areas within 45 counties , including a number of municipalities , in western mississippi . under mississippi statutory law , such certificates are exclusive . entergy mississippi may continue to serve in such municipalities upon payment of a statutory franchise fee , regardless of whether an original municipal franchise is still in existence . entergy new orleans provides electric and gas service in the city of new orleans pursuant to city ordinances ( except electric service in algiers , which is provided by entergy louisiana ) . these ordinances contain a continuing option for the city of new orleans to purchase entergy new orleans' electric and gas utility properties . entergy texas holds a certificate of convenience and necessity from the puct to provide electric service to areas within approximately 24 counties in eastern texas , and holds non-exclusive franchises to provide electric service in approximately 65 incorporated municipalities . entergy texas typically is granted 50-year franchises . entergy texas' electric franchises expire during 2009-2045 . the business of system energy is limited to wholesale power sales . it has no distribution franchises . property and other generation resources generating stations the total capability of the generating stations owned and leased by the utility operating companies and system energy as of december 31 , 2008 , is indicated below: . <table class='wikitable'><tr><td>1</td><td>company</td><td>owned and leased capability mw ( 1 ) total</td><td>owned and leased capability mw ( 1 ) gas/oil</td><td>owned and leased capability mw ( 1 ) nuclear</td><td>owned and leased capability mw ( 1 ) coal</td><td>owned and leased capability mw ( 1 ) hydro</td></tr><tr><td>2</td><td>entergy arkansas</td><td>4999</td><td>1883</td><td>1839</td><td>1207</td><td>70</td></tr><tr><td>3</td><td>entergy gulf states louisiana</td><td>3574</td><td>2240</td><td>971</td><td>363</td><td>-</td></tr><tr><td>4</td><td>entergy louisiana</td><td>5854</td><td>4685</td><td>1169</td><td>-</td><td>-</td></tr><tr><td>5</td><td>entergy mississippi</td><td>3224</td><td>2804</td><td>-</td><td>420</td><td>-</td></tr><tr><td>6</td><td>entergy new orleans</td><td>745</td><td>745</td><td>-</td><td>-</td><td>-</td></tr><tr><td>7</td><td>entergy texas</td><td>2543</td><td>2274</td><td>-</td><td>269</td><td>-</td></tr><tr><td>8</td><td>system energy</td><td>1139</td><td>-</td><td>1139</td><td>-</td><td>-</td></tr><tr><td>9</td><td>total</td><td>22078</td><td>14631</td><td>5118</td><td>2259</td><td>70</td></tr></table> ( 1 ) "owned and leased capability" is the dependable load carrying capability as demonstrated under actual operating conditions based on the primary fuel ( assuming no curtailments ) that each station was designed to utilize . the entergy system's load and capacity projections are reviewed periodically to assess the need and timing for additional generating capacity and interconnections . these reviews consider existing and projected demand , the availability and price of power , the location of new load , and the economy . summer peak load in the entergy system service territory has averaged 21039 mw from 2002-2008 . due to changing use patterns , peak load growth has nearly flattened while annual energy use continues to grow . in the 2002 time period , the entergy system's long-term capacity resources , allowing for an adequate reserve margin , were approximately 3000 mw less than the total capacity required for peak period demands . in this time period entergy met its capacity shortages almost entirely through short-term power purchases in the wholesale spot market . in the fall of 2002 , the entergy system began a program to add new resources to its existing generation portfolio and began a process of issuing .
Question: as of december 31, 2008, what portion of the total owned and leased capability was used by entergy arkansas?
Answer: 0.22642
Question: and what percentage of it was due to nuclear?

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0.23181
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