Hydrogen,
Journal Year:
2025,
Volume and Issue:
6(1), P. 7 - 7
Published: Jan. 23, 2025
This
study
evaluates
the
performance
and
feasibility
of
hybrid
photovoltaic–hydrogen
systems
integrated
with
4.2
MW
PV
installations,
focusing
on
interplay
between
electrolyzer
capacity,
energy
storage,
hydrogen
production.
Key
findings
reveal
that
downsizing
electrolyzers,
such
as
using
a
1
unit
instead
2
model,
increases
operational
efficiency
by
extending
nominal
power
usage,
though
it
reduces
total
output
approximately
50%.
Meanwhile,
expanding
storage
show
diminishing
returns,
added
capacity
offering
minimal
gains
in
production
raising
economic
concerns.
The
system’s
is
highly
weather-dependent,
daily
ranging
from
26
kg
cloudy
winter
days
to
375
during
sunny
summer
conditions.
Surplus
export
grid
peaks
at
3300
kWh
periods
high
solar
generation
but
otherwise.
For
viability,
system
design
must
prioritize
directing
majority
while
minimizing
export,
requiring
minimum
50%
allocation
value
chain.
Cost
analysis
estimates
Levelized
Hydrogen
(LCOH)
low
€6/kg
an
optimized
configuration
MWh
battery.
Although
costs
challenge
sustainability,
careful
component
optimization
supportive
policies
can
enable
competitive
pricing
positive
net
present
(NPV)
over
lifetime.
Energies,
Journal Year:
2024,
Volume and Issue:
17(16), P. 3992 - 3992
Published: Aug. 12, 2024
This
paper
navigates
the
critical
role
of
hydrogen
in
catalyzing
a
sustainable
energy
transformation.
review
delves
into
production
methodologies,
spotlighting
green
and
blue
as
pivotal
for
future
systems
because
their
potential
to
significantly
reduce
greenhouse
gas
emissions.
Through
comprehensive
literature
bibliometric
analysis,
this
study
underscores
importance
technological
advancements,
policy
support,
market
incentives
promoting
key
vector.
It
also
explores
necessity
expanding
renewable
sources
international
cooperation
secure
sustainable,
low-carbon
future.
The
analysis
highlights
scalable
cost-effective
methods,
such
solar-thermochemical
photo-electrochemical
processes,
addresses
challenges
posed
by
resource
availability
geopolitical
factors
establishing
economy.
serves
guide
innovation
toward
achieving
global
sustainability
goals,
illustrating
essential
transition.
IEEE Transactions on Smart Grid,
Journal Year:
2024,
Volume and Issue:
16(1), P. 115 - 130
Published: Aug. 29, 2024
Hydrogen-electrical
microgrids
are
increasingly
assuming
an
important
role
on
the
pathway
toward
decarbonization
of
energy
and
transportation
systems.
This
paper
studies
networked
hydrogen-electrical
planning
(NHEMP),
considering
a
critical
but
often-overlooked
issue,
i.e.,
demand-inducing
effect
(DIE)
associated
with
infrastructure
development
decisions.
Specifically,
higher
refueling
capacities
will
attract
more
demand
hydrogen-powered
vehicles
(HVs).
To
capture
such
interactions
between
investment
decisions
induced
demand,
we
introduce
decision-dependent
uncertainty
(DDU)
set
build
trilevel
stochastic-robust
formulation.
The
upper-level
determines
optimal
strategies
for
microgrids,
lower-level
optimizes
risk-aware
operation
schedules
across
series
stochastic
scenarios,
and,
each
scenario,
middle-level
identifies
"worst"
situation
within
individual
DDU
to
ensure
economic
feasibility.
Then,
adaptive
exact
decomposition
algorithm,
based
Parametric
Column-and-Constraint
Generation
(PC&CG),
is
customized
developed
address
computational
challenge
quantitatively
analyze
impact
DIE.
Case
IEEE
exemplary
system
validate
effectiveness
proposed
NHEMP
model
PC&CG
algorithm.
It
worth
highlighting
that
DIE
can
make
contribution
benefits
NHEMP,
yet
its
significance
gradually
decrease
when
main
bottleneck
transits
other
restrictions.
