PERTH, AUSTRALIA--October 31, 2012--Researched by Industrial Info Resources (Perth, Australia)--Contact Energy Limited (Wellington, New Zealand) is pushing to conduct a 52-day outage on Unit 3 at the Roxburgh Hydro plant. The company is planning to replace the existing 110-kilowatt (kV) transformers on units 3 and 1 with high-voltage transformers during 2013 and 2014, respectively.