western australia energy office of government february 2003 issn 1324 9495 state the information contained in this document is drawn from many sources including agility services agl alcoa australian bureau agricultural and resource economics statistics bp cms gas transmission chevron texaco department mineral petroleum resources industry tourism duke international edison mission epic goldfields griffin coal mining company hamersley iron normandy transalta wesfarmers csbp power corporation woodside worsley alumina grateful to organisations individuals whom has been sourced are referenced where appropriate within disclaimer compiled good faith by data gathered course s production no person or organisation should act on basis any matter publication without considering if necessary taking professional advice other its employees undertake responsibility