The energy campaigner, Mark Wakeham, says the State Government's own data suggests a new station would increase Victoria's greenhouse emissions by more than 2 million tonnes each year.
"The ACCC wouldn't let tobacco companies get away with calling mild cigarettes healthy cigarettes, and they shouldn't be letting a company planning to build a polluting coal-fired power station get away with the term 'clean coal'," he said.
Greenpeace says it is acting on solid legal advice in making the claims.