Up until the end of their useful lives. They typically have a 40-year useful life. Some of them will come due before that date, so utilities will have to make some decisions as to what they would like to use then.
Director General, CANMET Energy Technology Centre - Ottawa, Department of Natural Resources
Up until the end of their useful lives. They typically have a 40-year useful life. Some of them will come due before that date, so utilities will have to make some decisions as to what they would like to use then.
See context to find out what was said next.