A
ENERGY
I
S
L
N
S
TE
Y
L
N
L
ERGYOF
A
I
T
G
R
H
E
T
E
IN
T
IG
G
ENT
C
N
O
D
NS
E
E
N
R
E
V
R
A
G
T
Y
ION
W
Nat equipped
River
est
The
coa
city ofGothenburg is located on the
meet
st ofSwedenwheretheGötaÄlv City
ional RoadAdministrat
control
withCapelon’s LC-20D lamp
the
to burning
ler
hours
, which monitors accumulatedlamp
centre
West,
sthe sea.AsSweden’sgatewayto
for
Gothenburg is a major trading street
ident
ofGothenburg
light
ifyarea
ing sy
s where
conducted
ion (
stem would
Capleon’
rigorous
SNRA), the
s intelligent
tests
energyusage,
,
and
lampand power voltage,total
ties to
Swedenand has maintainedits the city. In addition
best benefit
produces
centuries
the
.W
shipping
ith
and tradeindustries for consumption and cost
to
s
reducing
, decrea
energy
R
alerts in ca
schedul
se of lamp
ing a
mal
s wel
funct
las
ion.
of
emissions was
sing carbon
maintenance
educing the
by
need
replacing
for emergency
second
a million people,
a populat
Gothenburg
ion of nearly
isSweden’
a half
s choosing
an important factor in
Accord
the street lighting system. ac
hours
cord
burned
ing to their
as monitored
lifetime
luminaries
and
bythe
amount
L
of
city is
Buil
largest
orderly
t accord
city
ing
.
to Dutch architecture the Federat
ing
ion
to
(EL
the
C),
European LampCompanies
this modern
C-20D,
district
plannedwith rectangular burning for 7
one 500W street lampleft
City
solution enablesGothenburg
its history
s surroundedbyold canals. Preserving produceupto
hours
2 tonnes
duringthe night can
prevent
to save on maintenance costs and
area
year - enough to
ofCO2 emissions per
The
unsafe
streetlight
road
s
conditions.
council
has alway
and the
s been
living
a main
environment
goal for the
in the
city At the
fill 5 double-deckerbuses.
controlled.A total of
can even beremotely
city
and these efforts arereflectedin the scheme
same
needed
time,the street lighting
controllers fromCapelon
five
communicate
MP-01segment
and
’s extensive publictransportation system cond the LC-20Ds over a LON P
with
As
init
part
iatives
of the
to reduce
city’s long
traffic accidents. to pre
it
vent
ions
crime
for traff
to provide
in
ic
safe driving
the
as
neighbourhoods
wellas offer light
.
ing
connection and areusedto
ower
collect
Line
incorporate a highly efficient
term
traffic
goal to recordedbythe lampcontrollers and
the
transfer
data
to improveconnect
system SOLUTION the
district
ions betweencity computer
informat
growing
s a
transportat
s wellas provide
ion needs
for the city’s ever conservat
To meet
ion,
the high demandsfor energy
accessed
.From
ion via
here,
GPRS/Ethernet
groups of lamps
to a
can
main
be
decided
safety, a
pollution reduction,and
modesfor
and configuredto differentset-up
lighting
to
system.
implement
Capelon
an
,
intel
,
a special
l
Gothenburg
igent
ist
street based
street lighting managementsystem
providing
dimmingand switching on or off,
systems using power line
in LON L
on LON technology was installed.The
system managers
maximumease of use for the
developeda system for the
communication, manufactures
ON network allows devices from different
breakdown
.In case of communication
monitoring
other for optimal
to communicate
control of
with each
and lampcontrol
between
lers,
the segmentcontroller
city’s district
of
s,
street
Tuveleden
luminaries
control
and Högsboleden
in two
and
of the
.
as wellas
the street lamps
expansion
to
and
enable
upgrad
low
ing.
cost system automaticallyfal
the LC-20D will
providing a rel
lback on a pre-setmode
CHALLENGES
using the LON protocol
“The benefitsof
reliabilityand widespread
arein its proven The system
iablestreet lighting scheme.
of functionality
also offers the highest level
wa
The driving themebehind the project saidTomas Niklasson,
applicability,”
control turning the
.The MP-01s automatically
where
s an
the
energy
sy
-savingstreetlight scheme, Capelon. “The open technology
Marketing Managerat
can adjust the d
luminarieson or off and
the most up-
stem
to-date
wouldcontinue to provide a supplier,
allows us,as
of day, position
imming
of the sun
level
, and
ba
amount
sedon time
for the city residents
technology and benefits funct
customers
ional
.”
ity
to focus
of the
on
system
developing
for our
improved
natural light.This providesoptimal light
of
Together with the contractor
throughout
, the
it
Swed
s lifet
ish
ime. for driversand pedestrians
ing
wil
With 550 lampcontrollers, the system energy
first
l be
stage,
instal
which
led in
wa
two
s f
stages
inished
.As part of the produced
and reducing
while conserving
300 lamps and balla
inApril 2007, energyconsumpt
bythe lamps
carbon
ion wa
.After
emissions
s reduced
just six
by
months,
Tuveleden.The second
sts wereinstalled in astounding 74%. Lamplifetimes
an
installing 250 streetl
phase includes extendedas a result
will also be
H
further
completed
ögsboleden and is scheduled
ights in the
to
d
be
istrict of
city.
reducingmaintenance
of their dimming,
costs for the
The
this December.
abilityto
City
individual
ofGothenburg wanted the Gothenburg,
As demonstratedbytheCity of
each streetlight in order
lycontrol
to
and monitor lower energy
integrated
consumpt
street lighting can
failuresand al
detect lamp emissions
ion, reducecarbon
repairs
low lampreplacementand Project
and preservethe environment.
affect
to becompletedin real-time,without bal
To accompl
ing the
ish
safety
this, each
of drivers
street
and
bal
resident
last is
s. cities
last
across
s
s
are
to instal
becoming
l intel
Europe.
a
ligent
widespread
lampsand
trend in
38| SUSTAINABLEFM|FEBRUARY2008
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40