assets regulatory overview sa power networks citipower and powercor transgrid annual reports investor asx announcements calendar upcoming events historical events shareholder information your holding distributions tax information ownership restrictions reports annual reports fact books asset companies other reports presentations email alert contact disciplined management team high quality infrastructure assets economies of scale recognised commitment to customer service quicklinkshy2016 results announcement 2016 tax guide 2015 tax guide tax information distributions calendar sa power networks citipower and powercor fact books latest presentationnorth america investor presentation 2016 latest report2015 annual report asx announcementschange in substantial holding for due