The
electrolysis
system
will
use
power
to
separate
water
into
hydrogen
and
oxygen.
The
hydrogen
can
be
used
to
produce
methane
for
storage,
which
can
then
be
redeployed
later
for
power
or
heat
generation.
Testing
is
due
to
begin
this
month
and
run
until
October
in
a
standard
container
at
RWE’s
Niederaussem
Coal
Innovation
Centre,
as
part
of
the
utility’s
wider
Power-to-Gas
initiative.
Niederaussem
is
the
site
of
a
highly-polluting,
lignite-fired
power
station
run
by
RWE.
But
a
company
press
spokesman
says
once
operational,
the
new
technology
would
only
use
power
derived
from
excess
wind
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