89/89CitiPowerIPtyLimited50%(50%)5,054()265,00038.87%3,305EnvestraLimited19.14%17,750900,000ETSAUtilities50%(50%)()73,111734,000PowercorAustraliaLimited50%(50%)80,000600,000901101997201749%2001997201845%1,4001995201945%1501997201760%91391997203244.4%51997202244.2%50%2.21986-20089221997202750%1071141997202466%201996202850%211996202650%9331999202440%61993202830%1401993202833.5%31996202830%9411996202830%1001997201951%2319961997202730%121996202830%95100+MPa()()IrtyshRiverBridge()96PolyphaltInc.63.5%Polyphalt12SiquijorLimestoneQuarry2540%67%1999100%/97StuartEnergySystemsCorp.9.2%StuartEnergy2012bioSecureSystemsLimited62%e-SmartSystemInc.50%EYECON1998201649%