German-Irish Chamber
of Industry and Commerce
ENERGY-EFFICIENT LIGHTING
IN BUILDINGS, STREETS AND OUTDOOR
SPACES COMPETITION FOR EFFICIENCY IMPROVEMENT AND SAVING LIFE
CYCLE COSTS
GÜNTHER VOLZ
CONSULTING ENGINEER
ELECTRICAL ENGINEERING AND LIGHTING DESIGN CONSULTANCY
Im Letten 26 · D - 71139 Ehningen · phone 0049 7034 – 93470
mail: pl@n-volz.de · www.volz-planung.de
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Specialization:
• Lighting design, Illumination systems
for interior and exterior lighting,
traffic lighting
• Electrotechnical plants and installations,
electrical power supply
• Telecommunication and alarm systems
• Building automation, measuring and
control systems
• Electronic & Information technologie systems
• Electrical energy management
• Assistant professor in the field of
lighting design at Biberach University
of Applied Sciences
Engineering office founded: 1974
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Achievement profile:
•
•
•
•
Independent technical and
economical consultation,
planning, supervision
Energy consultation services for
modernization & reconstruction
Investigations, analyses, studies
further education, professional training services
Unique Selling Points:
•
we offer manufacturer-independent consultancy and planning,
and act as trustees of our clients
•
Lighting design and electrical engineering in our company is - instead
one of many subdivisions – processed exclusively and edited deeply!
•
Wide-ranging know-how and experience in lighting and electrical
engineering, from extensive reference projects
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Honorary appointments:
• Chairman of the board VDE Association for Electrical,
Electronic & Information Technologies - State level of Baden-Württemberg
• Chairman of VDI - Association of Engineers - guideline panels VDI 6011,
VDI 6008, VDI 2166
• Reports and seminars for public authorities, NGO’s, engineer- and
architectural associations, academies, technical - scientific associations
• Organization and direction of forum events for trade fair associations
Frankfurt, Berlin and Stuttgart
• Assigned by dena - the German Energy Agency with the part “Energy Efficient
Systems in Trade and Industrie - electrical drives in conveyor plants”
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References: industrial, commercial
and office buildings,
public buildings, hospitals, hotels,
communal utilities, banks,
exhibition buildings, museums,
theatres, halls, education buildings and
research university buildings,
street and traffic light systems.
Customers: Public bodies and building
authorities, churches and caricative
organizations, Energy Agencies,
Local/regional public utilities,
Industrial and private companies.
Picture above: Museum of the federal state Baden-Wuerttemberg
“OLD CASTLE” Stuttgart; In the middle: Representative building of
the government federal state Baden-Wuerttemberg, Stuttgart,
modernization; Picture below: City hall Sindelfingen, modernisation.
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Bank
management
center
Kreissparkasse
D -Tübingen
architects:
Auer und Weber
Objekt Trilux Ausstellungszentrum
D - LE-Echterdingen
Broadcast building
SWR Südwestrundfunk,
Stuttgart, modernization
and extension
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Funding for innovation
by the Ministry of Research:
Modernisation the lighting
with LED and light control
in a school center in the
city of D – Trier.
Objective: 70 % energy savings
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influencing variables for power requirement and
demand of energy of a lighting equipment
h
light sensor
components:
lamp
luminaire
Illumination and quality
criteria according to
DIN 5035/EN 12464
usage hours
room
better light...
lightcurrent
ballast,
transformer
electric
current
control
daylightusage
lux
with
less
energy
losses:
heat,
magnetic
field
heat,
Infrared and
UV - dues
transmission-,
absorption- u.
reflectionlosses
adverse
reflection,
room-index,
lighting current
losses
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real load profile
ilumination
per day:
uncontrolled
picture: series FGL
common
control
innovative light
management
system
old plant
new plant uncontrolled
new plant with daylight-control
and presence detection
saving energy
3-grade-programm for economic ilumination
old lumination
plant
modern
reflector grid
luminaire
target value:
2 - 2,5 W/m² • 100 lx
electronical
ballast
energy
grade
+ optimized
daylight-usage
economy
daylightdependent
dimmer
grade
grade
Wattage reduction to 50 %
energy-consumption: reduction to 25 %
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Life cycle cost-comparison:
LED with modern lamp- and luminaire-technologies
by the traffic- and exterior-lighting
practice examples
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conversion kits in candelabra
from 1 x 80/50 W HQL  1 x 35 W HIT
asset
new –
exterior view
conversion kit
interior view
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practice example
NAV-T 1x 50W
or 1x35 W HIT
NAV-T 1 x 50 W
or 1x35 W HIT
or 35 W HIE
or 25 W LED
economy:
178
( 74 )
variants of
replacement luminaire:
- 66 %
asset:
fungus luminaire and
upper part luminaire
height: about 4,5 m
with HQL 2 x 80W
59
(43)
system output-
Systemleistungen
[W]
power
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Legend:
Legende
maintenance costs
Wartungskosten
[€]
Lampenkosten
[€]
lamp costs
Energiekosten
energy costs [€]
Zinskosten
[€]
interest charges
Investitionskosten
Investment costs [€]
100 %
1,000
500
46 %
42 %
HIE
1x 35 W
1,500
LED
NAV
1x 50 W
2,000
HQL 2x 80 W
2,500
1x 18 W
42 %
HIT
1x 35 W
3,000
per luminaire [€]
total costs over 20 years
comparison life-cycle-costs
konventional  LED
26 %
39 %
Variante
Variant4
-a
Variante
Variant4
4b -b
52 %
0
Bestand Variant
Variante11 Variant
Variante22 Variant
Variante33
asset
4a
Variante
Variant4
-c
4c
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Outlook in the future
light management system in streetlighting
with value added for the
Intelligent city about Powerline Technologie
data processing
center
City
council
Energy
manager
maintenance
Environmental and
energy info
Information display
Traffic allerts
Internet
or
intranet
advertising
Cabinet
Video control
electric
Vehicles
fast data transfer
picture: UMPI Elettronica Srl, Italia
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Seeking cooperation with:

Public bodies and building authorities in the fields of structural/civil engineering,
road construction and energy management

Local/regional public utilities in the field of electrical energy, lighting/lighting
installation, Energy Agencies

Architects and urban planner, Experts from industrial and commercial sectors in
the field of electrical engineering, construction, facility manager,
property and energy managers

Research labs and institutes at technical universities in the fields of lighting
The different performance areas of the partners should complement each other
makes sense.
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Thank you for
your attention!
Your consultant:
Günther Volz
∙ consulting engineer
mail: pl@n-volz.de ∙ www.volz-planung.de
mobil: 0049 172 7122904
© Günther Volz
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