2.5) How many 1000MW(e) LWR's can the world reserves of uranium serve? Consider the price category up to $80/kgU. Assume that each reactor needs 150 tons of natural uranium per year and has a lifetime of 30 years. Also assume annual refueling of one third of the core. See Table 2.7 for World's reserves. From "Forty Years of Uranium Resources, Production and Demand in Perspective," OECD Nuclear Energy Agency (2006). * Values are in thousands of tons