Large, power-hungry industrial projects,such as the expansion and construction of aluminium smelters by BHP Billitonand Rio Tinto, need guaranteed electricity supplies in order to go ahead.

• 大型的耗电工业项目，如必和必拓公司和力拓公司的炼铝厂扩充和建设计划，都需要电力供应得到保证维持运转。