About 7.5 kilowatt hours is needed to charge the Powerwall, providing about 6.5 kilowatt hours of power once charged. With some utilities, consumers can choose between flat-rate electricity pricing (the price is the same no matter the time or day or demand on the electricity grid) and peak-rate pricing.
Myth or Truth: I need 8 glasses of water a day. Myth. The Institute of Medicine says adult men actually need about 13 cups (3 liters) per day of fluid; adult women need about 9 cups (2.2 liters) of fluid. (You get about an additional 2 1/2 cups of fluid from foods.).
The Institute of Medicine recommends an average of 3.7 liters (125 ounces) per day for healthy adult men and 2.7 liters (91 ounces) per day for healthy adult women, allowing adjustments for activity and health levels, climate and elevation, and the amount of water consumed from food and other drinks. An easy time-frame to remember is the first to the last day of the month. 2  Decide how much each glass of water is worth. 3  Since you'll be contributing that amount of money to the piggy bank (or collection jar or bowl), make sure it's an amount that everyone playing can afford.