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d
b
e
u
s
ed
to
en
h
an
ce
t
h
i
s
f
ee
d
b
ac
k
s
u
c
h
as
p
r
o
v
id
in
g
m
o
r
e
f
r
eq
u
en
t
b
illi
n
g
c
y
cle
s
in
cl
u
d
in
g
b
etter
d
etail
o
f
h
is
to
r
ical
d
ata,
en
er
g
y
u
s
e
co
m
p
ar
i
s
o
n
a
n
d
en
d
u
s
e/p
er
ap
p
lian
ce
en
er
g
y
u
s
e
d
ata,
th
at
h
as
b
ee
n
s
h
o
w
n
to
s
u
p
p
o
r
t
in
lead
in
g
e
n
er
g
y
co
n
v
er
s
atio
n
e
f
f
o
r
ts
[
5
]
,
[
7
]
.
On
th
e
o
th
er
h
an
d
,
d
ir
ec
t
f
ee
d
b
ac
k
s
y
s
te
m
s
,
k
n
o
w
n
as
r
ea
l
-
ti
m
e
o
r
n
ea
r
-
r
ea
l
-
ti
m
e
f
e
ed
b
ac
k
s
y
s
te
m
s
,
p
r
o
v
id
e
co
n
s
u
m
er
s
w
it
h
en
er
g
y
i
n
f
o
r
m
ati
o
n
d
ir
ec
tl
y
u
s
u
all
y
o
b
tain
f
r
o
m
a
m
eter
eit
h
er
th
r
o
u
g
h
a
s
o
f
t
w
ar
e
ap
p
licatio
n
o
r
s
ep
ar
ate
d
is
p
la
y
m
o
n
ito
r
.
T
y
p
icall
y
,
t
h
e
r
ea
l t
i
m
e
f
ee
d
b
ac
k
s
y
s
te
m
i
n
cl
u
d
e
d
is
a
g
g
r
e
g
ates
co
n
s
u
m
p
tio
n
in
f
o
r
m
atio
n
b
y
en
d
u
s
e.
T
h
is
t
y
p
e
o
f
in
f
o
r
m
atio
n
co
m
es
w
it
h
ad
d
itio
n
al
b
en
e
f
it
s
th
a
t
in
f
o
r
m
s
o
m
e
b
ette
r
tar
g
eted
ef
f
i
cien
c
y
r
ec
o
m
m
e
n
d
atio
n
s
to
u
t
ilit
ies
b
y
p
r
o
v
id
in
g
th
e
m
w
it
h
h
i
g
h
l
y
d
etail
d
a
ta
s
ets.
D
is
a
g
g
r
e
g
ated
i
n
f
o
r
m
atio
n
p
r
o
v
id
in
g
g
u
id
a
n
ce
f
o
r
en
er
g
y
-
s
a
v
i
n
g
b
eh
av
io
u
r
s
as
t
h
e
i
n
f
o
r
m
atio
n
ar
e
ab
le
to
aid
co
n
s
u
m
er
s
in
id
en
ti
f
y
i
n
g
w
h
ich
elec
tr
i
ca
l
d
ev
ice
s
i
n
t
h
eir
b
u
ild
in
g
ar
e
co
n
s
u
m
i
n
g
th
e
h
i
g
h
e
s
t
en
er
g
y
.
T
h
er
e
ar
e
s
ev
er
al
o
p
tio
n
s
to
p
r
ac
tice
b
o
th
f
ee
d
b
ac
k
s
y
s
te
m
s
s
u
c
h
as
s
m
ar
t
m
eter
in
s
tallatio
n
k
n
o
w
n
as
in
tr
u
s
i
v
e
ap
p
lian
ce
lo
ad
m
o
n
ito
r
in
g
an
d
n
o
n
-
i
n
tr
u
s
iv
e
ap
p
lian
ce
lo
ad
m
o
n
ito
r
i
n
g
m
et
h
o
d
.
I
n
tr
u
s
iv
e
L
o
ad
Mo
n
ito
r
in
g
(
I
AL
M)
is
k
n
o
w
n
a
s
o
n
e
o
f
t
h
e
m
o
s
t
ac
c
u
r
ate
an
d
r
eliab
le
s
y
s
te
m
s
to
r
ec
o
g
n
ize
lo
ad
co
n
s
u
m
p
t
io
n
o
f
a
n
i
n
d
iv
id
u
al
ap
p
lia
n
ce
.
A
f
e
w
s
m
ar
t
m
eter
w
ill
b
e
i
n
s
t
alled
to
r
ec
o
g
n
ized
co
n
s
u
m
er
s
’
e
n
er
g
y
co
n
s
u
m
p
tio
n
in
a
b
u
ild
i
n
g
w
h
er
e
ea
ch
m
eter
d
ir
ec
tl
y
i
n
ter
ac
ts
w
it
h
ea
c
h
in
v
o
lv
e
ap
p
lian
ce
s
an
d
f
i
n
all
y
d
ec
o
m
p
o
s
es
th
e
to
tal
e
n
er
g
y
co
n
s
u
m
p
tio
n
[
8
]
,
[
9
]
.
A
p
p
ar
en
tl
y
,
t
h
is
m
e
th
o
d
is
n
o
t
th
e
co
m
m
o
n
p
r
ef
er
r
ed
o
p
tio
n
d
u
e
to
th
e
h
i
g
h
co
s
t
o
f
in
s
tallatio
n
t
h
a
t
r
eq
u
ir
es
s
m
ar
t
m
eter
to
b
e
s
et
u
p
o
n
ea
c
h
ap
p
lian
ce
.
Me
an
w
h
ile,
th
e
s
t
u
d
y
o
n
No
n
-
I
n
tr
u
s
i
v
e
A
p
p
lia
n
ce
L
o
ad
Mo
n
ito
r
in
g
(
NI
AL
M)
is
w
id
e
l
y
ev
o
l
v
in
g
w
h
ic
h
f
o
c
u
s
e
s
o
n
lo
ad
s
i
g
n
atu
r
e
b
eh
av
io
u
r
to
p
er
f
o
r
m
lo
ad
d
is
ag
g
r
eg
at
io
n
.
NI
AL
M
es
ti
m
a
tes th
e
n
u
m
b
er
a
n
d
n
atu
r
e
o
f
t
h
e
i
n
d
i
v
id
u
al
lo
ad
s
,
th
eir
i
n
d
i
v
id
u
al
e
n
er
g
y
co
n
s
u
m
p
tio
n
,
a
n
d
o
th
er
r
ele
v
a
n
t
s
tat
is
tics
s
u
ch
as
t
i
m
e
-
of
-
d
a
y
v
ar
iatio
n
s
b
y
a
s
o
p
h
is
ti
ca
ted
an
al
y
s
i
s
o
f
t
h
e
c
u
r
r
en
t
a
n
d
v
o
lta
g
e
w
av
e
f
o
r
m
s
o
f
t
h
e
t
o
tal
lo
ad
[
10
]
-
[
12
]
.
T
h
is
m
eth
o
d
is
o
f
te
n
u
s
ed
to
d
is
ag
g
r
eg
ate
o
v
er
all
co
n
s
u
m
p
tio
n
in
to
in
d
i
v
id
u
al
en
er
g
y
u
s
ag
e
o
f
ex
p
er
i
m
e
n
ted
ap
p
lian
ce
s
.
Ho
w
e
v
er
,
m
o
s
t
NI
AL
M
ap
p
r
o
ac
h
r
eq
u
ir
ed
h
ig
h
lear
n
i
n
g
s
u
c
h
as
m
ac
h
i
n
e
lear
n
in
g
,
ar
ti
f
icial
in
telli
g
e
n
ce
a
n
d
q
u
i
te
a
n
ad
v
a
n
ce
to
o
l to
a
n
al
y
s
e
th
e
lo
ad
p
r
o
f
ile.
Mo
r
eo
v
er
,
t
h
e
f
r
eq
u
e
n
c
y
o
f
t
h
e
d
ata
f
o
r
lo
w
s
a
m
p
li
n
g
in
s
tallatio
n
th
a
t r
eq
u
ir
e
d
ata
p
er
s
ec
o
n
d
is
n
o
t r
ea
lly
s
u
itab
le
to
b
e
ap
p
lied
b
y
co
m
m
o
n
u
s
er
.
2.
P
RO
P
O
SE
D
M
E
T
H
O
D
T
h
is
p
ap
er
p
r
o
p
o
s
es
an
elec
tr
icit
y
b
ill
d
is
ag
g
r
eg
at
io
n
m
et
h
o
d
f
o
r
esti
m
ati
n
g
th
e
k
W
h
co
s
t
co
n
tr
ib
u
ted
b
y
v
ar
io
u
s
ap
p
lian
ce
s
to
th
e
o
v
er
all
elec
tr
icit
y
b
ill
o
f
a
b
u
ild
in
g
.
T
h
e
p
r
o
p
o
s
ed
m
et
h
o
d
co
n
s
id
er
s
o
cc
u
p
an
ts
’
elec
tr
icit
y
u
s
ag
e
b
eh
av
io
u
r
,
h
is
to
r
ical
elec
tr
ici
t
y
co
n
s
u
m
p
tio
n
d
ata
an
d
b
u
i
ld
in
g
s
p
ec
i
f
icatio
n
.
His
to
r
ical
elec
tr
icit
y
co
n
s
u
m
p
tio
n
w
as
u
s
ed
to
s
t
u
d
y
t
h
e
r
elatio
n
s
h
ip
o
f
u
s
er
u
s
a
g
e
p
atter
n
a
n
d
k
W
h
elec
tr
icit
y
co
n
s
u
m
p
tio
n
.
Me
a
n
w
h
ile,
p
o
w
er
i
n
p
u
t
o
f
ea
c
h
ar
ea
w
a
s
e
v
al
u
ated
b
ased
o
n
b
u
ild
in
g
s
p
ec
i
f
icatio
n
th
at
t
h
is
i
n
f
o
r
m
atio
n
w
i
ll
b
e
u
s
e
to
esti
m
ate
e
n
er
g
y
co
n
s
u
m
p
tio
n
af
ter
w
ar
d
s
.
T
h
ese
f
ac
to
r
s
w
ill
d
eter
m
i
n
e
th
e
u
tili
za
t
io
n
f
ac
to
r
(
A
)
o
f
a
n
ap
p
lian
ce
f
o
r
a
p
ar
ticu
lar
s
p
ac
e/r
o
o
m
i
n
t
h
e
b
u
ild
i
n
g
at
h
o
u
r
j
(
A
ij
)
.
T
h
e
u
til
izatio
n
f
ac
to
r
w
ill
t
h
en
b
e
u
s
ed
to
esti
m
ate
t
h
e
u
s
a
g
e
o
f
th
at
a
p
p
lian
ce
at
t
h
e
p
ar
ticu
lar
s
p
ac
e
an
d
h
o
u
r
.
I
t
i
s
ca
lcu
lated
th
r
o
u
g
h
t
h
e
f
o
llo
w
i
n
g
s
tep
s
;
Step
1
:
Det
er
m
in
e
b
u
ild
in
g
’
s
a
v
er
ag
e
elec
tr
icit
y
co
n
s
u
m
p
tio
n
o
f
ea
ch
h
o
u
r
First,
th
e
a
v
er
ag
e
elec
tr
icit
y
co
n
s
u
m
p
tio
n
o
f
ea
ch
h
o
u
r
is
d
eter
m
i
n
ed
f
r
o
m
t
h
e
h
is
to
r
ic
al
d
ata.
I
f
th
e
lo
ad
p
r
o
f
iles
h
a
v
e
th
e
s
a
m
e
p
atter
n
f
o
r
w
o
r
k
i
n
g
d
a
y
s
an
d
d
if
f
er
en
t
p
atter
n
f
o
r
w
ee
k
e
n
d
s
,
t
h
e
c
alcu
latio
n
o
f
h
o
u
r
l
y
av
er
ag
e
k
W
h
co
n
s
u
m
p
tio
n
f
o
r
w
ee
k
d
a
y
s
a
n
d
w
ee
k
en
d
s
m
u
s
t
b
e
d
o
n
e
s
ep
ar
atel
y
.
I
n
ca
s
es
w
h
er
e
th
e
lo
ad
p
r
o
f
iles
d
ep
en
d
o
n
th
e
d
a
y
o
f
t
h
e
w
ee
k
,
f
o
r
ex
a
m
p
le,
s
i
m
ilar
p
r
o
f
ile
p
atter
n
f
o
r
Mo
n
d
a
y
s
b
u
t d
if
f
er
f
r
o
m
o
th
er
d
ay
s
,
h
o
u
r
l
y
a
v
er
ag
e
k
W
h
co
n
s
u
m
p
tio
n
f
o
r
ea
ch
d
ay
n
e
ed
s
to
b
e
ca
lcu
lated
,
w
h
ic
h
w
il
l
g
i
v
e
d
if
f
er
en
t
u
tili
za
t
io
n
f
ac
to
r
f
o
r
ea
ch
d
a
y
.
Step
2
: D
eter
m
in
e
t
h
e
r
ati
n
g
o
f
elec
tr
icit
y
u
s
ag
e
f
o
r
ea
ch
ele
ctr
ical
ap
p
lian
ce
at
ea
ch
s
p
ac
e
Occ
u
p
an
t
s
o
f
ea
ch
s
p
ac
e
i
n
ee
d
to
p
r
o
v
id
e
th
eir
en
er
g
y
u
s
a
g
e
r
atin
g
o
f
ea
c
h
elec
tr
ical
ap
p
lian
ce
f
o
r
ea
ch
h
o
u
r
j
,
,
.
Occ
u
p
an
ts
s
h
all
p
r
o
v
id
e
t
h
e
f
o
llo
w
in
g
r
atin
g
s
ca
les;
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
J
E
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7
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No
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3
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J
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2
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1
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–
1
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1500
T
ab
le
1
.
E
lectr
icity
u
s
a
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e
r
atin
g
s
R
a
t
i
n
g
N
o
t
e
s
O
f
f
(
O
F
F
)
c
o
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r
n
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o
f
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0
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V
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sag
e
(
a
p
p
r
o
x
i
m
a
t
e
l
y
0
-
2
0
%
u
sag
e
)
L
o
w
(
L
)
L
o
w
u
sag
e
(
a
p
p
r
o
x
i
ma
t
e
l
y
2
0
%
-
4
0
%)
M
e
d
i
u
m (
M
)
M
e
d
i
u
m
u
s
a
g
e
(
a
p
p
r
o
x
i
m
a
t
e
l
y
4
0
%
-
6
0
%)
H
i
g
h
(
H
)
H
i
g
h
u
sag
e
(
a
p
p
r
o
x
i
ma
t
e
l
y
6
0
%
-
8
0
%
)
V
e
r
y
H
i
g
h
(
V
H
)
V
e
r
y
h
i
g
h
u
sag
e
(
a
p
p
r
o
x
i
ma
t
e
l
y
8
0
%
-
1
0
0
%
O
n
(
O
N
)
a
p
p
l
i
a
n
c
e
i
s
f
u
l
l
y
t
u
r
n
e
d
-
o
n
d
u
r
i
n
g
t
h
e
t
i
me
i
n
t
e
r
v
a
l
(
1
0
0
%
u
sag
e
)
Step
3
: D
eter
m
in
e
t
h
e
u
tili
za
ti
o
n
f
ac
to
r
f
o
r
ea
ch
elec
tr
ical
ap
p
lian
ce
at
ea
ch
s
p
ac
e
T
h
e
s
u
m
m
atio
n
o
f
elec
tr
icit
y
u
s
a
g
e
o
f
all
ap
p
lian
ce
s
i
n
al
l
s
p
ac
es
in
t
h
e
b
u
ild
in
g
at
h
o
u
r
j
,
m
u
s
t
eq
u
al
to
t
h
e
m
ea
n
elec
tr
icit
y
co
n
s
u
m
p
tio
n
(
f
r
o
m
h
i
s
to
r
ical
d
ata)
o
f
h
o
u
r
j
ca
lcu
lated
in
s
tep
1
.
T
h
e
k
W
h
elec
tr
icit
y
u
s
a
g
e
o
f
ea
ch
ap
p
lian
ce
ca
n
b
e
ca
lcu
late
d
b
y
m
u
ltip
l
y
i
n
g
t
h
e
p
o
w
er
in
p
u
t
o
f
ea
c
h
ap
p
lian
ce
at
h
o
u
r
j
to
t
h
e
u
tili
za
t
io
n
f
ac
to
r
,
A
o
f
th
at
ap
p
lian
ce
at
s
p
ac
e
i
at
h
o
u
r
j
,
,
Sin
ce
t
h
e
o
cc
u
p
an
ts
o
n
l
y
p
r
o
v
id
e
u
s
ag
e
r
ati
n
g
o
f
t
h
e
ap
p
lian
ce
s
,
th
e
u
tili
za
tio
n
f
ac
to
r
A
is
o
p
tim
iz
ed
as f
o
llo
w
s
;
Ob
j
ec
tiv
e
f
u
n
ctio
n
:
s
N
i
k
j
i
A
1
,
m
a
x
(
1
)
Su
b
j
ec
t to
:
s
N
i
j
k
i
k
j
i
k
a
l
l
P
A
1
,
(
2
)
M
A
X
k
j
i
k
j
i
M
I
N
k
j
i
A
A
A
,
,
,
,
,
(
3
)
W
h
er
e,
k
j
i
A
,
=
u
tili
za
tio
n
f
ac
to
r
o
f
ap
p
lian
ce
k
at
s
p
ac
e
i
f
o
r
h
o
u
r
j
k
i
P
=
Po
w
er
in
p
u
t o
f
ap
p
lian
ce
k
at
s
p
ac
e
i
N
s
=
to
tal
n
u
m
b
er
o
f
s
p
ac
es
µ
j
=
m
ea
n
elec
tr
icit
y
co
n
s
u
m
p
tio
n
at
h
o
u
r
j
T
h
e
o
b
j
ec
tiv
e
f
u
n
ct
io
n
g
iv
e
n
i
n
eq
u
atio
n
1
o
p
ti
m
ize
s
th
e
u
t
il
izatio
n
f
ac
to
r
o
f
ap
p
lian
ce
k
at
s
p
ac
e
i
at
h
o
u
r
j
,
,
.
T
h
e
s
u
m
m
atio
n
o
f
u
t
ili
za
tio
n
f
ac
to
r
s
o
f
a
ll
ap
p
lian
ce
s
at
h
o
u
r
j
is
m
a
x
i
m
ized
to
en
s
u
r
e
th
a
t
all
ap
p
lian
ce
s
i
n
a
ll
s
p
ac
es
w
i
ll
g
en
er
ate
u
tili
za
t
io
n
f
ac
to
r
s
u
n
le
s
s
s
tated
O
FF
b
y
o
cc
u
p
a
n
ts
.
E
q
u
atio
n
2
in
d
icate
s
th
at
th
e
m
u
ltip
lica
tio
n
b
et
w
ee
n
u
tili
za
t
io
n
f
ac
to
r
s
o
f
a
p
p
lia
n
ce
k
at
s
p
ac
e
i
f
o
r
h
o
u
r
j
,
,
an
d
p
o
w
er
in
p
u
t
o
f
ap
p
lia
n
ce
k
a
t
s
p
ac
e
i
m
u
s
t
eq
u
al
to
m
ea
n
elec
tr
i
cit
y
co
n
s
u
m
p
t
io
n
at
h
o
u
r
j
ca
lcu
lated
i
n
Step
1
.
E
q
u
atio
n
3
s
tates
th
at
th
e
o
p
tim
ized
u
tili
za
t
io
n
f
ac
to
r
o
f
ap
p
lian
ce
k
at
s
p
ac
e
i
at
h
o
u
r
j
,
,
m
u
s
t
b
e
w
it
h
i
n
th
e
p
r
ed
eter
m
i
n
ed
li
m
i
t
s
et
b
y
o
cc
u
p
a
n
ts
.
T
h
ese
li
m
i
ts
d
ep
en
d
o
n
th
e
elec
tr
icit
y
u
s
ag
e
r
atin
g
g
i
v
en
b
y
T
ab
le
1
in
s
tep
2
.
Utilizatio
n
f
ac
to
r
li
m
its
f
o
r
eq
u
atio
n
3
o
f
ea
ch
s
p
ac
e
is
b
ased
o
n
u
s
ag
e
r
atin
g
s
p
ec
if
ie
d
g
iv
e
n
i
n
T
ab
le
2
.
T
ab
le
2
.
E
x
am
p
le
o
f
u
tili
za
tio
n
f
ac
to
r
r
ep
r
esen
tatio
n
U
sag
e
R
a
t
i
n
g
MIN
k
j
i
A
,
,
M
A
X
k
j
i
A
,
,
O
F
F
0
0
VL
0
0
.
2
L
0
.
2
0
.
4
M
0
.
4
0
.
6
H
0
.
6
0
.
8
VH
0
.
8
1
.
0
ON
1
.
0
1
.
0
Evaluation Warning : The document was created with Spire.PDF for Python.
I
J
E
C
E
I
SS
N:
2088
-
8708
Dis
a
g
g
r
eg
a
ted
E
lectricity B
ill B
a
s
e
o
n
Utiliz
a
tio
n
F
a
cto
r
a
n
d
Time
o
f U
s
e
(
To
U
)
Ta
r
if
f (
N
u
r
F
a
r
a
h
in
A
s
a
)
1501
Step
4
: E
lectr
icit
y
b
ill d
is
ag
g
r
eg
atio
n
T
h
e
p
r
o
p
o
s
ed
u
tili
za
tio
n
f
ac
t
o
r
w
ill
b
e
u
s
ed
to
d
is
a
g
g
r
eg
a
te
th
e
elec
tr
icit
y
b
ill
o
f
a
b
u
il
d
in
g
at
s
p
ac
e
i
a
n
d
h
o
u
r
j
in
to
in
d
iv
id
u
al
ap
p
lian
c
es a
s
g
i
v
e
n
in
t
h
e
f
o
llo
w
in
g
eq
u
atio
n
4
an
d
5
;
t
o
t
a
l
j
k
a
l
l
N
i
k
i
k
j
i
k
i
k
j
i
k
j
i
E
P
A
P
A
E
s
1
,
,
,
(
4
)
j
k
j
i
k
j
i
T
o
U
E
C
o
s
t
k
W
h
,
,
(
5
)
W
h
er
e;
k
j
i
E
,
=
k
W
h
elec
tr
icit
y
co
n
s
u
m
p
tio
n
o
f
ap
p
lian
ce
k
at
s
p
ac
e
i
at
h
o
u
r
j
t
o
t
a
l
j
E
=
k
W
h
elec
tr
icit
y
co
n
s
u
m
p
tio
n
o
f
t
h
e
b
u
ild
i
n
g
at
h
o
u
r
j
j
T
o
U
=
T
im
e
o
f
Use ta
r
i
f
f
at
h
o
u
r
j
k
j
i
C
o
s
t
k
W
h
,
=
k
W
h
elec
tr
icit
y
b
ill o
f
ap
p
li
an
ce
k
at
s
p
ac
e
i
at
h
o
u
r
j
3.
RE
SU
L
T
S
A
ND
AN
AL
Y
SI
S
3
.
1
.
T
est
s
y
s
t
e
m
T
h
e
p
r
o
p
o
s
ed
m
eth
o
d
i
s
tes
te
d
ag
ain
s
t
p
r
ac
tical
d
ata
to
tes
t
its
f
ea
s
ib
ilit
y
.
I
n
t
h
is
s
t
u
d
y
,
th
e
lo
ad
p
r
o
f
ile
d
ata
o
f
b
u
ild
in
g
P
1
9
a,
Facu
lt
y
o
f
E
lectr
ical
E
n
g
in
e
er
in
g
,
U
n
i
v
er
s
iti
T
ek
n
o
lo
g
i
Ma
la
y
s
ia
w
as
u
s
ed
.
T
h
e
b
u
ild
in
g
is
a
n
ac
ad
e
m
i
c
b
u
ild
in
g
;
co
n
s
is
ts
o
f
1
3
l
ab
o
r
ato
r
ies
m
o
s
tl
y
o
cc
u
p
ied
b
y
tech
n
icia
n
s
a
n
d
s
tu
d
e
n
ts
.
T
h
er
e
ar
e
1
2
3
lectu
r
er
s
’
r
o
o
m
s
,
1
0
tu
to
r
ial
r
o
o
m
s
an
d
t
w
o
p
r
a
y
er
r
o
o
m
s
.
Sev
er
al
w
o
r
k
i
n
g
s
p
ac
es a
r
e
ca
teg
o
r
ized
as
o
f
f
ices,
a
n
d
t
h
er
e
ar
e
f
i
v
e
m
ee
ti
n
g
r
o
o
m
s
.
No
r
m
all
y
,
t
h
e
lo
ad
e
n
er
g
y
co
n
s
u
m
p
ti
o
n
o
f
t
h
e
b
u
ild
in
g
is
h
i
g
h
d
u
r
in
g
w
ee
k
d
a
y
s
a
n
d
v
er
y
lo
w
o
n
w
ee
k
en
d
s
an
d
h
o
lid
a
y
s
s
in
ce
th
er
e
i
s
n
o
s
ig
n
if
ican
t
u
s
ag
e
o
n
th
o
s
e
d
a
y
s
.
Du
r
i
n
g
w
ee
k
d
a
y
s
,
t
h
e
b
u
ild
i
n
g
i
s
u
s
u
a
ll
y
o
cc
u
p
ied
b
et
w
ee
n
7
a.
m
.
an
d
7
p
.
m
.
Fi
g
u
r
e
s
1
s
h
o
w
s
th
e
lo
ad
p
r
o
f
ile
d
ata
u
s
ed
i
n
th
e
an
al
y
s
is
.
T
h
e
ex
p
er
i
m
en
tal
an
al
y
s
i
s
p
r
esen
ted
i
n
t
h
is
p
ap
er
f
o
cu
s
es
o
n
esti
m
ati
n
g
t
h
e
elec
tr
icit
y
b
ill
co
n
tr
ib
u
ted
b
y
t
w
o
m
ai
n
ele
ctr
ical
eq
u
ip
m
e
n
t
o
f
d
if
f
er
e
n
t
s
p
ac
es
w
h
ich
ar
e
lig
h
ti
n
g
a
n
d
air
-
co
n
d
itio
n
i
n
g
s
y
s
te
m
.
Oth
er
elec
tr
ical
eq
u
ip
m
en
t
w
as
n
e
g
lect
ed
d
u
e
to
t
h
eir
v
er
y
lo
w
p
o
w
er
r
atin
g
an
d
th
eir
p
r
ese
n
ce
i
n
to
tal
en
er
g
y
co
n
s
u
m
p
tio
n
is
to
o
s
m
all
co
m
p
ar
ed
to
l
ig
h
ti
n
g
a
n
d
air
-
co
n
d
itio
n
i
n
g
s
y
s
te
m
.
T
h
e
d
ata
w
as
co
llec
ted
b
y
u
s
in
g
K
y
o
r
it
s
u
Ke
w
P
o
w
er
Qu
a
lit
y
An
al
y
ze
r
in
s
t
alled
at
t
w
o
m
ai
n
in
co
m
i
n
g
ca
b
les
o
f
th
e
b
u
il
d
in
g
to
r
ec
o
r
d
p
o
w
er
an
d
en
er
g
y
co
n
s
u
m
p
tio
n
.
Usag
e
r
atin
g
s
d
ef
i
n
ed
b
y
o
cc
u
p
an
ts
o
f
t
h
e
b
u
ild
i
n
g
f
o
r
air
-
co
n
d
itio
n
in
g
an
d
li
g
h
t
in
g
s
y
s
te
m
i
s
g
i
v
e
n
in
T
ab
le
3
.
T
h
e
p
o
w
er
in
p
u
t
f
o
r
lig
h
ti
n
g
a
n
d
air
-
co
n
d
itio
n
in
g
s
y
s
te
m
w
as
o
b
tain
ed
th
r
o
u
g
h
walk
-
th
r
o
u
g
h
au
d
it
an
d
b
u
ild
i
n
g
s
p
ec
if
icatio
n
d
ata
as illu
s
tr
ates i
n
T
ab
le
4
m
ea
n
w
h
ile
T
o
U
p
r
ice
in
Ma
la
y
s
ia
i
s
p
r
esen
t i
n
T
ab
le
5
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n
t
il
4
p
.
m
.
L
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er
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s
r
o
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m
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cit
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m
p
tio
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tai
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also
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ce
a
h
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g
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a
m
o
u
n
t
o
f
elec
tr
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ill
esp
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et
w
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n
1
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to
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p
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.
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d
2
p
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m
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u
n
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T
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U
p
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d
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p
ea
k
p
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is
h
ig
h
an
d
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i
ties
in
s
id
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lab
o
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ato
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ies
r
eq
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g
y
d
em
a
n
d
f
o
r
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e,
t
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y
p
r
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es u
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co
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l th
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s
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p
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tic
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lar
ti
m
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t
co
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r
esp
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d
in
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ar
ea
s
t
o
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o
id
h
i
g
h
elec
tr
icit
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c
h
ar
g
es.
T
h
e
ac
cu
r
ac
y
o
f
th
e
d
ev
el
o
p
m
e
n
t
m
et
h
o
d
f
o
r
d
is
ag
g
r
eg
ati
n
g
air
-
co
n
d
itio
n
in
g
s
y
s
te
m
a
n
d
li
g
h
ti
n
g
s
y
s
te
m
is
ab
o
u
t
9
8
%
a
n
d
6
4
%
r
esp
ec
tiv
el
y
,
h
o
w
e
v
er
i
t
m
u
c
h
d
ep
en
d
s
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n
t
h
e
u
tili
za
t
io
n
f
ac
to
r
g
i
v
en
b
y
u
s
er
.
B
as
ed
o
n
th
e
r
es
u
lt
s
,
it
s
h
o
w
s
t
h
at
air
-
co
n
d
itio
n
i
n
g
s
y
s
te
m
is
th
e
m
ai
n
u
til
it
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s
y
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te
m
t
h
at
lead
to
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i
s
e
i
n
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tr
icit
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b
ill.
C
o
n
s
eq
u
e
n
tl
y
,
a
f
e
w
m
et
h
o
d
s
ca
n
b
e
ap
p
lied
to
r
ed
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ce
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tr
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i
ll
s
u
ch
a
s
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ctio
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o
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tili
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r
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p
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s
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-
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ess
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o
f
f
air
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co
n
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tio
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in
g
s
y
s
te
m
f
o
r
u
n
o
cc
u
p
ied
ar
ea
.
4.
CO
NCLU
SI
O
N
T
h
is
p
ap
er
p
r
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p
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ed
elec
tr
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b
ill
d
is
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g
g
r
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m
et
h
o
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k
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icity
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ill
o
f
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b
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ild
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g
i
n
to
h
o
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r
l
y
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tr
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co
s
t
f
o
r
ea
ch
eq
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ip
m
en
t
f
o
r
ea
ch
s
p
ac
e
in
th
e
b
u
ild
i
n
g
.
U
t
ilizatio
n
f
ac
to
r
is
in
tr
o
d
u
ce
d
to
r
ep
r
esen
t
t
h
e
co
n
s
u
m
er
u
s
a
g
e
b
eh
av
io
u
r
as
o
n
e
o
f
t
h
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n
p
u
t
f
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r
th
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p
r
o
p
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ed
m
et
h
o
d
.
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h
e
m
et
h
o
d
w
a
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ted
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t
p
r
ac
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d
ata
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t
h
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ex
p
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g
.
T
h
e
p
r
o
p
o
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ed
m
e
th
o
d
ca
n
b
e
u
s
ed
to
esti
m
ate
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co
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tr
ib
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tio
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f
v
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eq
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all
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lectr
icit
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b
ill
o
f
t
h
e
b
u
ild
in
g
.
T
h
is
s
tu
d
y
w
a
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ter
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b
ill
o
f
m
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r
0
10
20
30
40
50
60
70
80
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10:
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16:
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17:
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E
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R
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H
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6
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NC
E
S
[1
]
D.
L
in
d
e
lö
f
a
n
d
N.
M
o
re
l,
“
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f
ield
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a
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in
term
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[2
]
O.
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.
M
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so
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.
J.
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ro
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ler,
“
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Bu
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R.
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,
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u
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Bu
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.
[4
]
D.
H.
D.
P
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r,
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t
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,
“
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C.
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h
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:
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v
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1
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p
p
.
7
9
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0
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2
0
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.
[7
]
“
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sid
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l
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tri
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Us
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F
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e
d
b
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:
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e
w
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,
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&
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,
2
0
0
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.
[8
]
M
.
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iss,
e
t
a
l.
,
“
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e
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g
in
g
s
m
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to
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ize
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o
m
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p
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s,
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in
2
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2
IEE
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In
ter
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p
p
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0
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2
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1
2
.
[9
]
S
.
Y.
S
o
n
,
“
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tri
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it
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Co
n
su
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n
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o
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En
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m
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rt
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v
ic
e
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tatu
s
In
f
o
rm
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ti
o
n
,
”
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ter
n
a
t
io
n
a
l
J
o
u
rn
a
l
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f
S
ma
rt H
o
me
,
v
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l
/i
ss
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e
:
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(1
0
)
,
p
p
.
1
8
9
-
1
9
6
,
2
0
1
5
.
[1
0
]
A
.
S
.
A
rd
e
lea
n
u
a
n
d
C.
Do
n
c
iu
,
“
No
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n
tru
siv
e
lo
a
d
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e
tec
ti
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rit
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v
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riatio
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in
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o
w
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o
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su
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,
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in
2
0
1
2
In
ter
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n
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l
Co
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Exp
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Evaluation Warning : The document was created with Spire.PDF for Python.