An energy conversion system comprising a support structure upstanding
within a volume of water subject to the occurrence of both wave motion
and tidal flow, a first apparatus mounted from the support for deriving
usable power from the tidal flow, and a second apparatus operationally
supported relative to the support structure for deriving usable power
from the occurrence of wave motion independently from that derived from
tidal flows and power transfer apparatus for facilitating the transfer of
such usable powers to a land based location, or for making some
alternative use of such power elsewhere.