The average electrical generating capacity of the United States was about 475,000 MW in 2007. If trends continue, this will double in about 15 years.
1.How many new plants of the size of the system seen below will be required?
2.If half of these are coal-fired, how many tons of coal will be required per year for the new plants, and how many tons/yr of ash and SO2 will have to be handled in 2024?