Before revision: Life-times Modern nuclear power plants are typically designed for a lifetime of 60 years, while older reactors were build with a typical lifetime of 30-40 years, though many of those have received renovations and life extensions of 15-20 years.
After revision: Life-times Modern nuclear power plants are typically designed for a lifetime of 60 years, while older reactors were built with a planned typical lifetime of 30-40 years, though many of those have received renovations and life extensions of 15-20 years.