the aes corporation notes to consolidated financial statements 2014 ( continued ) december 31 , 2011 , 2010 , and 2009 may require the government to acquire an ownership interest and the current expectation of future losses . our evaluation indicated that the long-lived assets were no longer recoverable and , accordingly , they were written down to their estimated fair value of $ 24 million based on a discounted cash flow analysis . the long-lived assets had a carrying amount of $ 66 million prior to the recognition of asset impairment expense . kelanitissa is a build- operate-transfer ( bot ) generation facility and payments under its ppa are scheduled to decline over the ppa term . it is possible that further impairment charges may be required in the future as kelanitissa gets closer to the bot date . kelanitissa is reported in the asia generation reportable segment . asset impairment expense for the year ended december 31 , 2010 consisted of : ( in millions ) .
for the huntington beach facility in california , the write down was what percent of the total carrying value?
southland 2014in september 2010 , a new environmental policy on the use of ocean water to cool generation facilities was issued in california that requires generation plants to comply with the policy by december 31 , 2020 and would require significant capital expenditure or plants 2019 shutdown . the company 2019s huntington beach gas-fired generation facility in california , which is part of aes 2019 southland business , was impacted by the new policy . the company performed an asset impairment test and determined the fair value of the asset group using a discounted cash flow analysis . the carrying value of the asset group of $ 288 million exceeded the fair value of $ 88 million resulting in the recognition of asset impairment expense of $ 200 million for the year ended december 31 , 2010 . southland is reported in the north america generation reportable segment . tisza ii 2014during the third quarter of 2010 , the company entered into annual negotiations with the offtaker of tisza ii . as a result of these preliminary negotiations , as well as the further deterioration of the economic environment in hungary , the company determined that an indicator of impairment existed at september 30 , 2010 . thus , the company performed an asset impairment test and determined that based on the undiscounted cash flow analysis , the carrying amount of the tisza ii asset group was not recoverable . the fair value of the asset group was then determined using a discounted cash flow analysis . the carrying value of the tisza ii asset group of $ 160 million exceeded the fair value of $ 75 million resulting in the recognition of asset impairment expense of $ 85 million during the year ended december 31 , 2010 . deepwater 2014in 2010 , deepwater , our 160 mw petcoke-fired merchant power plant located in texas , experienced deteriorating market conditions due to increasing petcoke prices and diminishing power prices . as a result , deepwater incurred operating losses and was shut down from time to time to avoid negative operating margin . in the fourth quarter of 2010 , management concluded that , on an undiscounted cash flow basis , the carrying amount of the asset group was no longer recoverable . the fair value of deepwater was determined using a discounted cash flow analysis and $ 79 million of impairment expense was recognized . deepwater is reported in the north america generation reportable segment. .