The year after next; the year two years from now (can also be used adverbially).
再来年には大学を卒業して就職する予定だ。
I plan to graduate from university and start working the year after next.
再来年のオリンピックに向けて準備を進めている。
Preparations are underway for the Olympics the year after next.
来年結婚する予定だが、再来年には子どもが欲しい。
We're getting married next year, and we'd like to have children the year after next.