The
industry
group
says
its
data
shows
the
US
now
has
60GW
of
wind
capacity
representing
a
$120bn
investment.
The
previous
record
year
was
2009
when
10GW
of
capacity
was
added.
Installations
totalled
6.68GW
in
2011.
Fourth-quarter
capacity
additions
were
also
a
national
record
at
8.38GW,
more
than
double
the
previous
high
of
4.11GW
in
the
same
2009
period.
The
federal
production
tax
credit,
which
was
due
to
run
out
at
the
end
of
2012,
was
given
a
last-gasp
reprieve
for
a
further
year.
AWEA
reports
that
wind
energy
became
the
number
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