The majority of total US$3.6 billion cost was to be covered by the China Power Investment Corporation in a joint venture with the Ministry of Electric Power No.1 of Myanmar and the Asia World Company.[17] The Burmese government would get ten percent of the electricity generated and fifteen percent of the project shares for land use. In addition, the government would charge a withholding tax and an export tax on exported electricity to China.[18] After a fifty-year period, the government would totally own the project. The Burmese government would earn about $54 billion by means of tax payment, power and shares, accounting for 60 percent of the total revenue of the Irrawaddy projects during the contracted 50 years, more than CPI's return on investment during the fifty years Chinese operation period according to the President of CPI.[19][20] However, the government economic calculations have been criticized for not considering potential environmental and societal impacts