High
winds
and
spring
runoff
on
the
Columbia
and
Snake
rivers
threatened
to
push
generation
on
the
BPA
system
beyond
demand
during
the
early
hours
of
Sunday,
when
about
4.3GWh
of
wind
generation
was
curtailed,
and
again
Monday,
when
5.8GWh
was
held
back.
That's
already
more
than
10%
of
the
wind
energy
that
was
curtailed
during
the
entire
2011
season.
Under
the
federal
agency's
interim
policy
for
the
current
year,
curtailed
wind
generators
will
be
reimbursed
for
the
value
of
lost
renewable
energy
and
production
tax
credits.
The
BPA
expects…