Sustainability,
Journal Year:
2025,
Volume and Issue:
17(5), P. 1911 - 1911
Published: Feb. 24, 2025
This
study
evaluates
whether
pumped
hydro
storage
(PHS)
systems
are
economically
competitive
compared
to
natural
gas
thermal
power
plants
in
meeting
peak
load
demand
Brazil
and
identifies
the
barriers
challenges
that
hinder
their
widespread
adoption.
It
also
examines
strategies,
market
mechanisms,
policy
implications
necessary
improve
economic
operational
viability
of
PHS,
enabling
greater
integration
variable
renewable
energy
sources
into
Brazilian
system.
Using
levelized
cost
electricity
(LCOE)
method,
PHS
is
with
thermoelectric
for
scenarios
Brazil.
The
results
simulations
indicate
viable
operations
exceeding
seven
hours
per
day,
offering
lower
costs.
In
contrast,
technologies
more
cost-effective
shorter
operations.
provide
two
key
contributions:
they
characterise
basic
conditions
under
which
than
demand,
propose
a
methodology
calculating
LCOE
analysed
technological
options,
tailored
market.
conclusions
highlight
potential
contribute
Brazil’s
sustainable
transition,
provided
appropriate
policies
implemented.
These
especially
crucial
where
not
competitive,
ensure
compensation
mechanisms
flexibility
services
implementation
carbon
pricing.
Additionally,
retrofitting
existing
hydropower
incorporate
components
may
reduce
costs
mitigate
environmental
impacts
constructing
new
facilities.
