In
China’s
northern,
windiest
provinces,
up
to
a
quarter
of
the
wind
power
generated
does
not
reach
the
grid,
as
network
operators
prioritise
other
forms
of
power
–
usually
coal
–
during
periods
of
surplus
generation.
The
phenomenon
of
grid
operators
stopping
wind
farms
from
feeding
power
to
the
electricity
network
became
much
worse
last
year,
with
more
than
20
billion
kWh
of
wind
power
wasted,
double
the
level
in
2011,
China
Wind
Energy
Association
secretary-general
Qin
Haiyan
told
an
industry
meeting
in
January.
Longyuan,
the
country's
largest
wind…