This report provides a comprehensive analysis of the economics of renewable energy in Australia, focusing on the country's efforts to expand its renewable energy sector. It examines the Australian Renewable Energy Target, the role of business economics in decision-making, and the economic theory of consumer behavior, including utility analysis. The report delves into the Australian economy, discussing its attractiveness for investment, the impact of renewable energy projects, and the roles of key organizations like the Australian Renewable Energy Agency (ARENA) and the Clean Energy Finance Corporation (CEFC). It also explores electricity generation from renewable sources, the Australian Energy Regulator, and the implications of fiscal decentralization on the economy. Furthermore, the report covers various projects, criticisms of the Renewable Energy Target (RET), and the contribution of different energy sources to Australia's total electricity production, providing a detailed overview of the current state and future prospects of renewable energy in Australia.