Plates at our planet s surface move because of the intense heat in the Earth s core that causes molten rock in the mantle layer to move. It moves in a pattern called a convection cell that forms when warm material rises, cools, and eventually sink down. As the cooled material sinks down, it is warmed and rises again.
PG&E on Wednesday did not offer a specific figure for how much the switch to renewable power would boost electricity rates in 2015. But in the past, the utility has said that rates will rise 1 percent to 2 percent each year as a result.
The Superannuation Guarantee rate first increased to 9.5% from 1 July 2014 (the 2014/2015 year). Based on revised laws, the SG rate will remain at 9.5% for another 6 years, increasing to 10% from July 2021, and eventually increasing to 12% from July 2025 (see table below).