Yes it does, Dave. It is you that has it wrong. Excerpt from the article and bold is mine.
""But Delta chief executive Greg Everett says the carbon tax is also a factor in deciding to bring forward the plant's proposed 2014 decommissioning, with predictions it will further erode its viability.
"To be honest, Munmorah would have been closing, with or without a carbon tax. The carbon tax really just sealed the fate of the power station," he said."
