Energies,
Journal Year:
2024,
Volume and Issue:
17(20), P. 5097 - 5097
Published: Oct. 14, 2024
In
order
to
achieve
the
goals
of
carbon
neutrality
and
reduced
emissions,
China
is
increasingly
focusing
on
development
utilization
renewable
energy
sources.
Among
these,
ocean
thermal
conversion
(OTEC)
has
advantages
small
periodic
fluctuations
large
potential
reserves,
making
it
an
important
research
field.
With
“Maritime
Silk
Road”,
Xisha
Islands
in
South
Sea
will
see
a
growing
demand
for
electricity,
providing
OTEC
this
region.
Optimal
site
selection
power
plants
prerequisite
developing
provision,
affecting
both
construction
costs
future
benefits
plants.
This
study
establishes
scientific
evaluation
model
based
decision-making
frameworks
geographic
information
systems
(GISs)
multi-criteria
(MCDM)
methods,
specifically
analytic
hierarchy
process
(AHP)
assigning
weights,
Technique
Order
Preference
by
Similarity
Ideal
Solution
(TOPSIS)
reclassify
factors,
weighted
linear
combination
(WLC)
compute
suitability
index.
addition
commonly
considered
factors
such
as
temperature
difference
marine
usage
status,
innovatively
incorporates
geological
conditions
maximum
offshore
distances
cold
seawater
cost
control.
The
final
identifies
three
suitable
areas
near
Xuande
Atoll
Yongle
Area,
valuable
insights
developers
policymakers.
Deleted Journal,
Journal Year:
2025,
Volume and Issue:
2(1), P. 100073 - 100073
Published: Jan. 1, 2025
<p>The
development
of
a
national
energy
base
and
modern
system
in
the
Beibu
Gulf
Guangxi
requires
an
innovative
system.
General
only
consists
single
marine
resource,
this
work
introduces
"Offshore
Wind
Energy—Multi-Marine
Resources"
integration
system,
which
distinctively
centers
on
offshore
wind
power
while
incorporating
seawater
hydrogen
production,
pumped
storage,
desalination,
aquaculture,
other
resource
utilization
complexes.
Its
potential
challenges
during
its
future
construction
solutions
for
global
optimization
that
need
to
be
addressed
are
as
follows:
1)
creating
high-precision
speed
prediction
model
across
multiple
scales;
2)
developing
under
uncertainties;
3)
proposing
resilience
assessment
method
systems
subjected
unconventional
external
shocks.
This
can
contribute
comprehensive
resources
establishment
Province
around
world.</p>
Energy Conversion and Management,
Journal Year:
2024,
Volume and Issue:
311, P. 118515 - 118515
Published: May 12, 2024
This
study
investigates
the
techno-economic
feasibility
of
a
photovoltaic
power
plant
integrated
with
hydrogen
energy
storage
and
dual-fuel
reciprocating
engine
for
gas-to-power
power-to-gas
operations.
The
system
is
optimised
maximising
constant
grid
supply,
minimising
CO2
emissions,
lowering
levelised
cost
electricity
(LCOE)
to
assess
its
value
in
future
landscape.
Multi-objective
optimisation
identified
configuration
hydrogen-fuelled
generator
offering
10
MW
supply
minimal
emissions
(78
kg/MWh),
at
LCOE
$335.52/MWh.
comprises
93
PEM
electrolyser,
4
compressor,
29
t
compressed
storage,
within
limits
industry's
current
or
projected
capacities.
A
key
highlight
engine-based
approach
ability
readily
enhance
through
increased
diesel
consumption
without
significantly
impacting
LCOE,
provided
stay
acceptable
sector
cap.
flexibility
surpasses
alternative
technologies.
Further
analysis
explored
potential
reductions
using
global
data,
bringing
values
down
$138.76/MWh,
making
it
competitive
market
prices.
Sensitivity
revealed
LCOE's
highest
sensitivity
discount
rate,
followed
by
impact
from
variations
fuel
prices
due
configuration.
Furthermore,
tightening
emission
do
not
affect
system's
performance,
except
limiting
maximum
achievable
2050
reliance.
