The
group
has
carried
out
studies
of
Raz
Blanchard
in
Lower
Normandy
and
the
Passage
du
Fromveur
off
the
Finistère
coast
in
Brittany
–
between
them
estimated
to
represent
80%
of
France’s
marine
renewable
energy
potential.
At
Raz
Blanchard,
where
tidal
speeds
of
more
than
six
metres-per-second
create
a
4-6GW
potential
resource,
GDF
Suez
aims
to
install
a
pilot
plant
of
up
to
six
of
Voith
Hydro’s
HyTide
turbines,
creating
a
3-12MW
development
–
with
long-term
plans
to
deploy
100
machines.
The
company
also
wants
to
develop
a
tidal
plant
at
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