Sydney Morning Herald: Simcoa is a little-known company which operates Australia’s only silicon smelter at Kemerton, 160 kilometres south of Perth. Simcoa uses large amounts of electricity to raise temperatures inside its arc furnaces to 3000 degrees, triggering reactions which turn quartzite and charcoal into the metalloid silicon. It employs 120 people and has export sales of about $100 million a year. Under the Federal Government’s plan to tackle climate change by making industry pay for …