Holding
out
for
energy-storage
technologies
that
may
not
exist
for
a
decade
or
more
may
prove
a
dangerous
mistake,
they
warn.
On
paper,
storage
is
the
“ultimate
solution”
for
PV
because
it is
also
the
“lazy
solution”,
says Pierre-Guy
Therond,
vice-president
of
new
technologies
at
EDF
Energies
Nouvelles
.
“It
sounds
great
because
it
essentially
turns
PV
into
a
gas
turbine,”
making
solar-generated
electricity
instantly
dispatchable
even
when
the
sun
is
not
shining,
he
adds.
“But
the
reality
is
that
electricity
is
very
difficult
to
store
—
it’s
the
first
thing
you…
