Some reactors can be constituted-of-or-filled-with some mws.
A maximum capacity can be constituted-of-or-filled-with some mws.
Some mws can be constituted-of-or-filled-with (fusion power).
Some mw can be constituted-of-or-filled-with (generating capacity).
Some mws can be constituted-of-or-filled-with new generation.
Some mw can be constituted-of-or-filled-with (generation capacity).