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.
Credit card and mortgage rates did go up, but not much. Credit card rates did turn out to be more tied to interest rates than expected. And NerdWallet predicts that credit card lending rates will go up again in the next year, with the average house hold paying around $18 more in interest a year. Mortgage rates have jumped to to 4.1% on a 30-year fixed mortgage from 3.5% a year ago.