For the period post 2030, the following are observed: The decommissioning of coal plants (total 28GW by 2040 and 35GW by 2050), together with emission constraints imposed, imply coal will contribute less than 30% of the energy supplied by 2040 and less than 20% by 2050.  Imposing annual build limits on RE will restrict the cumulative renewable installed capacity and the energy mix for this period.  Adopting no annual build limits on renewables or imposing a more stringent carbon dioxide emission reduction strategy implies that no new coal power plants will be built in the future unless affordable cleaner forms of coal to power are available.  The projected unit cost of electricity differs significantly between the scenarios tested. It must be noted that a change in fuel cost (gas, for example) can affect the projected cost significantly.  The scenario without RE annual build limits provides the least-cost option by 2050.  Overall, the installed capacity and energy mix for scenarios tested for the period post 2030 differs significantly for all scenarios and is highly impacted / influenced by the assumptions applied. Scenario Analysis Results for the Period 2031-2040