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.
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.
