Water,
Journal Year:
2025,
Volume and Issue:
17(9), P. 1267 - 1267
Published: April 24, 2025
This
study
explores
the
challenge
of
achieving
water
and
energy
self-sufficiency
in
isolated
regions
through
design
a
hybrid
renewable
system
(HRES)
for
Skyros,
Greek
island
not
connected
to
mainland
grid.
The
proposed
integrates
wind
turbines,
photovoltaics,
pumped
hydro,
hydrogen
storage
ensure
stable
supply,
particularly
during
peak
summer
demand.
Using
advanced
R
simulations,
three
scenarios
were
analyzed
on
30
min
basis.
A
combined
meets
99.99%
demand
83%
electricity
needs.
hydro-only
covers
74%
hydrogen-only
supplies
but
just
67%
findings
indicate
annual
CO2
emission
reductions
exceeding
9600
tons.
Economic
analysis
confirms
system’s
feasibility,
with
projected
10-year
payback
period.
cost
desalinated
is
estimated
at
EUR
1/m3,
while
costs
range
from
0.083/kWh
hydro
0.093/kWh
0.101/kWh
system.
Overall,
results
highlight
potential
enhance
flexibility
complement
offering
sustainable
solutions
addressing
both
environmental
economic
challenges.
Results in Engineering,
Journal Year:
2024,
Volume and Issue:
21, P. 101888 - 101888
Published: Feb. 10, 2024
This
study
addresses
the
critical
issue
of
energy
management
in
micro-grid
(MG)
systems
incorporating
renewable
sources
and
hydrogen
storage.
The
research
introduces
an
innovative
approach
by
conducting
a
comparative
analysis
two
machine
learning
methods,
namely
k-Nearest
Neighbors
(k-NN)
Random
Forest
(RF),
to
optimize
decision-making.
investigation
reveals
consistent
superiority
Forest,
particularly
precision
F1-scores,
across
key
components
such
as
fuel
cell
relay,
battery
super-capacitor
grid
system
relay.
results
demonstrate
that
RF
method
consistently
achieves
high
macro
average
factors
(90%,
86%,
84%,
82%)
impressive
F1-scores
87%,
88%,
85%),
surpassing
performance
k-NN,
which
yields
notably
lower
(30%,
15%,
14%,
28%)
(41%,
23%,
26%,
34%).
superior
positions
robust
for
decision-making,
specifically
realm
storage
sources.
novelty
this
work
lies
establishing
reliable
tool
capable
handling
intricacies
thereby
enhancing
sustainable
processes.
Additionally,
resilience
imbalanced
data
adds
its
effectiveness
diverse
operational
scenarios.
sheds
light
on
potential
contribute
significantly
advancement
solutions
systems.
Energies,
Journal Year:
2025,
Volume and Issue:
18(4), P. 798 - 798
Published: Feb. 8, 2025
In
the
context
of
global
energy
landscape
restructuring
driven
by
“dual-carbon”
goals,
new
storage
technologies
have
emerged
as
a
critical
enabler
for
transformation
and
development
power
system.
However,
these
advance
market
expands,
ensuring
safety
remains
significant
long-term
challenge.
This
paper
focuses
on
risk
prevention
control
systems.
It
systematically
reviewed
various
technology
pathways
their
associated
potential
risks.
Furthermore,
it
analyzed
challenges
difficulties
faced
in
across
different
stages
projects,
including
large-scale
application,
pilot
demonstration,
R&D
reserves.
Considering
technical
uncertainties
future
storage,
this
study
evaluated
risks
proposed
corresponding
strategies
measures
management.
By
addressing
challenges,
aims
to
safe-guard
security
reliability
technologies,
thereby
supporting
construction
robust
sustainable
