PERTH, AUSTRALIA--December 20, 2013--Researched by Industrial Info Resources Australia (Perth, Australia)--Fonterra Co-operative Group Limited (Auckland, New Zealand) is planning to perform maintenance on the Whareroa Cogeneration Plant in 2014. Fonterra is preparing for an annual maintenance outage at the 70-megawatt (MW) Whareroa gas-fired cogeneration plant, which is located at Fonterra's factory in Hawera, Taranaki.