ARENA hands out $2.15 billion in subsidies to supposedly "cheap" renewables

We constantly hear that "renewables" are the cheapest and the best way to go. If that's the case, why does the Australian Renewable Energy Agency need to commit $2.15 billion in subsidies, grants and loans to prop up "renewable" projects?

Transcript: https://www.malcolmrobertsqld.com.au/arena-hands-out-2-15-billion-in-subsidies-to-supposedly-cheap-renewables/