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In 1994 Bali Energy a joint venture between  California Energy  and a local company signed a joint operation contract with  Pertamina  to develop a 4x55 MW geothermal power plant.Hochstein M. P. et al. : The Bedugul Geothermal Field Bali in International Geothermal Association ( IGA ) News No. 59 2005 retrieved 11 August 2010 In 2008 the estimated power production capacity of 175 MW corresponded to about half of the whole island's electricity needs .
 None
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 NA: California Energy, Pertamina