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.
WITHIN GRADE INCREASE (WG/GS) Within-grade increases (WGIs), or step increases, are periodic increases in a General Schedule (GS) or Wage Grade (WG) employeeâs rate of basic pay from one step of the grade of his or her position to the next higher step of that grade. The employeeâs performance must be at an acceptable level of competence.