International Journal of Green Energy,
Год журнала:
2025,
Номер
unknown, С. 1 - 24
Опубликована: Янв. 10, 2025
Accurate
solar
irradiance
(SI)
prediction
is
vital
for
optimizing
photovoltaic
systems.
This
study
addresses
shortcomings
in
existing
forecasting
methods
by
exploring
advanced
machine-learning
techniques
using
meteorological
satellite
data.
We
develop
three
novel
models
SI
forecasting:
Stack-based
Ensemble
Fusion
with
Meta-Neural
Network
(SEFMNN),
Extreme
Gradient
Boosting-Squared
Error
(XGB-SE),
and
Learning
Machine
(ELM).
These
predict
All-sky
Clear-sky
shortwave
across
Chinese
provinces
(Guangdong,
Shandong,
Zhejiang)
one
Saudi
Arabian
province
(Najran).
The
SEFMNN
model
combines
Artificial
Neural
(ANN),
Random
Forest
(RF),
Support
Vector
(SVM)
to
improve
accuracy.
XGB-SE
employs
a
specialized
loss
function
manage
extreme
values
historical
are
designed
mitigate
overfitting
data
inconsistency
while
balancing
computational
efficiency
predictive
Comparative
analysis
reveals
that
outperform
the
ELM
model,
achieving
an
R2
of
0.9979,
MAE
0.0231,
MSE
0.0020
Najran.
demonstrates
significantly
enhances
forecasting,
aiding
efficient
system
planning
operation.
Energy,
Год журнала:
2023,
Номер
275, С. 127430 - 127430
Опубликована: Апрель 8, 2023
Predicting
electricity
demand
data
is
considered
an
essential
task
in
decisions
taking,
and
establishing
new
infrastructure
the
power
generation
network.
To
deliver
a
high-quality
prediction,
this
paper
proposes
hybrid
combination
technique,
based
on
deep
learning
model
of
Convolutional
Neural
Networks
Echo
State
Networks,
named
as
CESN.
Daily
from
four
sites
(Roderick,
Rocklea,
Hemmant
Carpendale),
located
Southeast
Queensland,
Australia,
have
been
used
to
develop
proposed
prediction
model.
The
study
also
analyzes
five
other
machine
learning-based
models
(support
vector
regression,
multilayer
perceptron,
extreme
gradient
boosting,
neural
network,
Light
Gradient
Boosting)
compare
evaluate
outcomes
approach.
results
obtained
experimental
showed
that
able
obtain
highest
performance
compared
existing
developed
for
daily
forecasting.
Based
statistical
approaches
utilized
study,
approach
presents
accuracy
among
models.
algorithm
excellent
accurate
forecasting
method,
which
outperformed
state
art
algorithms
are
currently
problem.
Energy Strategy Reviews,
Год журнала:
2024,
Номер
54, С. 101446 - 101446
Опубликована: Июнь 4, 2024
In
the
innovative
domain
of
sustainable
and
renewable
energy,
artificial
intelligence
incorporation
has
appeared
as
a
critical
stimulant
for
improving
productivity,
cutting
costs,
addressing
complex
difficulties.
However,
all
reported
advancement
over
recent
years,
their
experimental
implementations,
challenges
associated
have
not
been
covered
by
single
source.
Hence,
this
review
aims
to
give
data
source
get
recent,
advanced
detailed
outlook
on
applications
in
energy
technologies
systems
along
with
examples
implementation.
More
than
150
research
reports
were
retrieved
from
different
bases
keywords
selection
criteria
maintain
relevance.
This
specifically
explored
diverse
approaches
wide
range
sources
innovations
spanning
solar
power,
photovoltaics,
microgrid
integration,
storage
power
management,
wind,
geothermal
comprehensively.
The
current
technological
advances,
outcomes,
case
studies
implications
are
discussed,
potential
possible
solutions.
expected
advancements
trends
near
future
also
discussed
which
can
gateway
researchers,
investigators
engineers
look
resolve
already
associated.
Applied Sciences,
Год журнала:
2023,
Номер
13(14), С. 8332 - 8332
Опубликована: Июль 19, 2023
The
accuracy
of
solar
energy
forecasting
is
critical
for
power
system
planning,
management,
and
operation
in
the
global
electric
grid.
Therefore,
it
crucial
to
ensure
a
constant
sustainable
supply
consumers.
However,
existing
statistical
machine
learning
algorithms
are
not
reliable
due
sporadic
nature
data.
Several
factors
influence
performance
irradiance,
such
as
horizon,
weather
classification,
evaluation
metrics.
we
provide
review
paper
on
deep
learning-based
irradiance
models.
These
models
include
Long
Short-Term
Memory
(LTSM),
Gated
Recurrent
Unit
(GRU),
Neural
Network
(RNN),
Convolutional
(CNN),
Generative
Adversarial
Networks
(GAN),
Attention
Mechanism
(AM),
other
hybrid
Based
our
analysis,
perform
better
than
conventional
applications,
especially
combination
with
some
techniques
that
enhance
extraction
features.
Furthermore,
use
data
augmentation
improve
useful,
networks.
Thus,
this
expected
baseline
analysis
future
researchers
select
most
appropriate
approaches
photovoltaic
forecasting,
wind
electricity
consumption
medium
term
long
term.
Applied Energy,
Год журнала:
2023,
Номер
353, С. 122059 - 122059
Опубликована: Окт. 18, 2023
Prediction
of
electricity
price
is
crucial
for
national
markets
supporting
sale
prices,
bidding
strategies,
dispatch,
control
and
market
volatility
management.
High
volatility,
non-stationarity
multi-seasonality
prices
make
it
significantly
challenging
to
estimate
its
future
trend,
especially
over
near
real-time
forecast
horizons.
An
error
compensation
strategy
that
integrates
Long
Short-Term
Memory
(LSTM)
network,
Convolution
Neural
Network
(CNN)
the
Variational
Mode
Decomposition
(VMD)
algorithm
proposed
predict
half-hourly
step
prices.
A
prediction
model
incorporating
VMD
CLSTM
first
used
obtain
an
initial
prediction.
To
improve
predictive
accuracy,
a
novel
framework,
which
built
using
Random
Forest
Regression
(RF)
algorithm,
also
used.
The
VMD-CLSTM-VMD-ERCRF
evaluated
from
Queensland,
Australia.
results
reveal
highly
accurate
performance
all
datasets
considered,
including
winter,
autumn,
spring,
summer,
yearly
predictions.
As
compared
with
without
(i.e.,
VMD-CLSTM
model),
outperforms
benchmark
models.
For
predictions,
average
Legates
McCabe
Index
seen
increase
by
15.97%,
16.31%,
20.23%,
10.24%,
14.03%,
respectively,
relative
According
tests
performed
on
independent
datasets,
can
be
practical
stratagem
useful
short-term,
forecasting.
Therefore
research
outcomes
demonstrate
framework
effective
decision-support
tool
improving
accuracy
price.
It
could
value
energy
companies,
policymakers
operators
develop
their
insight
analysis,
distribution
optimization
strategies.
IEEE Access,
Год журнала:
2024,
Номер
12, С. 90461 - 90485
Опубликована: Янв. 1, 2024
Solar
energy
is
largely
dependent
on
weather
conditions,
resulting
in
unpredictable,
fluctuating,
and
unstable
photovoltaic
(PV)
power
outputs.
Thus,
accurate
PV
forecasts
are
increasingly
crucial
for
managing
controlling
integrated
systems.
Over
the
years,
advanced
artificial
neural
network
(ANN)
models
have
been
proposed
to
increase
accuracy
of
various
geographical
regions.
Hence,
this
paper
provides
a
state-of-the-art
review
five
most
popular
ANN
forecasting.
These
include
multilayer
perceptron
(MLP),
recurrent
(RNN),
long
short-term
memory
(LSTM),
gated
unit
(GRU),
convolutional
(CNN).
First,
internal
structure
operation
these
studied.
It
then
followed
by
brief
discussion
main
factors
affecting
their
forecasting
accuracy,
including
horizons,
meteorological
evaluation
metrics.
Next,
an
in-depth
separate
analysis
standalone
hybrid
provided.
has
determined
that
bidirectional
GRU
LSTM
offer
greater
whether
used
as
model
or
configuration.
Furthermore,
upgraded
metaheuristic
algorithms
demonstrated
exceptional
performance
when
applied
models.
Finally,
study
discusses
limitations
shortcomings
may
influence
practical
implementation
Applied Energy,
Год журнала:
2024,
Номер
374, С. 123920 - 123920
Опубликована: Июль 31, 2024
Digital
technologies
with
predictive
modelling
capabilities
are
revolutionizing
electricity
markets,
especially
in
demand-side
management.
Accurate
price
prediction
is
essential
deregulated
markets;
however,
developing
effective
models
challenging
due
to
high-frequency
fluctuations
and
volatility.
This
study
introduces
a
hybrid
system
that
addresses
these
challenges
through
comprehensive
data
processing
framework
for
half-hourly
predictions.
The
preprocessing
stage
employs
the
Maximum
Overlap
Discrete
Wavelet
Transform
(MoDWT)
enhance
input
quality
by
reducing
overlap
revealing
underlying
patterns.
model
integrates
Convolutional
Neural
Networks
Random
Vector
Functional
Link
(CRVFL)
deep
learning
approach.
Bayesian
Optimization
fine-tunes
MoDWT-CRVFL
optimal
performance.
Validation
of
conducted
using
prices
from
New
South
Wales.
results
highlight
efficacy
model,
achieving
high
accuracy
superior
Global
Performance
Indicator
(GPI)
values
approximately
1.61,
1.33,
1.85,
1.30,
0.78
Summer,
Autumn,
Winter,
Spring,
Annual
(Year
2022),
respectively,
outperforming
alternative
models.
Similarly,
Kling–Gupta
Efficiency
(KGE)
metrics
proposed
consistently
surpassed
those
both
decomposition-based
standalone
For
instance,
KGE
value
was
0.972,
significantly
higher
than
0.958,
0.899,
0.963,
0.943,
0.930,
0.661,
0.708,
0.696,
0.739,
0.738
MoDWT-LSTM,
MoDWT-DNN,
MoDWT-XGB,
MoDWT-RF,
MoDWT-MLP,
Bi-LSTM,
LSTM,
DNN,
RF,
XGB,
MLP,
respectively.
methodologies
this
optimize
energy
resource
allocation,
market
prices,
network
management,
empowering
operators
make
informed
decisions
resilient
efficient
market.
Energy Conversion and Management,
Год журнала:
2023,
Номер
297, С. 117707 - 117707
Опубликована: Окт. 5, 2023
Predicting
electricity
demand
(G)
is
crucial
for
grid
operation
and
management.
In
order
to
make
reliable
predictions,
model
inputs
must
be
analyzed
predictive
features
before
they
can
incorporated
into
a
forecast
model.
this
study,
hybrid
multi-algorithm
framework
developed
by
incorporating
Artificial
Neural
Networks
(ANN),
Encoder-Decoder
Based
Long
Short-Term
Memory
(EDLSTM)
Improved
Complete
Ensemble
Empirical
Mode
Decomposition
with
Adaptive
Noise
(ICMD).
Following
the
partitioning
of
data,
G
time-series
are
decomposed
multiple
using
ICEEMDAN
algorithm,
partial
autocorrelation
applied
training
sets
determine
lagged
features.
We
combine
where
components
highest
frequency
predicted
an
ANN
model,
while
remaining
EDLSTM
To
generate
results,
all
IMF
components'
predictions
merged
ICMD-ANN-EDLSTM
models.
A
comparison
made
between
objective
standalone
models
(ANN,
RFR,
LSTM),
(CLSTM),
three
decomposition-based
on
Relative
Mean
Absolute
Error
at
Duffield
Road
substation
was
≈2.82%,
≈4.15%,
≈3.17%,
≈6.41%,
≈6.60%,
≈6.49%,
≈6.602%,
compared
ICMD-RFR-LSTM,
ICMD-RFR-CLSTM,
LSTM,
CLSTM,
ANN.
According
statistical
score
metrics,
performed
better
than
other
benchmark
Further,
results
show
that
not
only
detect
seasonality
in
but
also
predict
analyze
market
add
valuable
insight
analysis.