information paper no 3 impacts of interconnections on south australian electricity supply october 2000 level 8 mac building 50 pirie street adelaide sa 5000 gpo box 2605 5001 ph 08 8463 4444 fax 4449 e mail saiir saugov gov au web www interconnection detailed report contents page 1 preamble 4 2 introduction 5 the existing vic 6 brief history justification for operating agreement 7 cost impact and prices 1990 1997 technical characteristics experience implications costs 10 victoria nsw preliminary market nem1 12 in nem dec 98 flow limits price 13 single circuit operation 14 import 15 security