The
1,200-tonne
WF1,
designed
by
US
company
Principle
Power
and
equipped
with
a
Vestas
V80
2.0MW
turbine,
has
delivered
more
than
1.7GWh
since
its
installation
last
autumn
five
kilometres
off
Aguçadoura.
The
unit
–
a
triangular
structure
with
columns
30-metres
high
and
eight-metres
in
diameter,
part-filled
with
230
tonnes
of
static
water
ballast
for
stability
–
is
built
to
float
half-submerged
when
moored,
with
a
draught
of
13
metres
in
water
depths
of
40-200
metres.
Following
pre-commissioning
of
the
system
onshore
at
the
Lisnave
facility
near
Setubal,
southern
Portugal,
the
WF1
was
loaded-out…