In
the
six
months
to
30
September,
adjusted
post-tax
profits
at
SSE
soared
41.7%
to
£333.5m
($530m)
–
a
performance
that
masks
the
steep
challenges
the
UK’s
second
largest
energy
supplier
faces
in
adjusting
its
generation
portfolio
for
the
years
ahead.
Strong
growth
at
SSE’s
transmission,
distribution
and
retail
units
more
than
offset
a
sharp
decline
in
operating
profit
at
the
utility’s
generation
business.
SSE’s
generation
arm
was
hit
hard
by
low
spark-spreads
–
the
gap
between
the
price
at
which
it
buys
gas
and
the
price
at
which
it
can
sell
gas-generated…
