The objective of this work is to understand the short and medium-term impacts of the various State and Federal renewable targets. The electricity grid in Australia is changing from a centralised coalbased generation system, to a grid with increasingly larger amounts of weather dependent wind and solar. Technology options, policy positions and societal expectations are all contributing to the changes taking place. The work will look at the 2025 target for Victoria (40% renewable generation) and the 2030 target for Queensland (50% renewable generation) by running all combinations with and without those constraints. A MEGs model for the Western Australian South West Interconnected System (SWIS) will also be developed.