How much electrical power does one American or European family (or household) use (on average)?

ANSWER: There are two ways to estimate the average power we use. We can work from the bottom up by adding up the contributions from individual appliances or we can work from the top down, using our electric bill to estimate the total electric energy we use in a month.

Let’s start from the bottom up. Consider the appliances that are on for a significant fraction of the day. Since we are writing this book in August, we will consider air conditioners, stoves and ovens,

EP - 242 PB - Princeton University Press PY - 2008 SN - 9780691129495 SP - 213 T2 - Guesstimation T3 - Solving the World's Problems on the Back of a Cocktail Napkin UR - http://www.jstor.org/stable/j.ctt7sgcs.13 Y2 - 2020/12/05/ ER -