RUUKKI DESIGN PALETTE - ENERGY
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ENERGISE
YOUR
FACADE
with Liberta™ Solar panels
RUUKKI® DESIGN PALETTE - ENERGY
1
A
rchitecturally impressive glass
facade for converting sun rays
into energy.
The most cost-effective choice for a fully-
glazed facade that generates energy
from the sun. Investment that reflects
responsibility and environmental aspects.
Spearhead product with most advanced
and efficient photovoltaic technology.
We deliver a pre-designed solution, ready
to be connected to the grid. Installation is
fast and reliable, just plug-and-play.
To complete your vision - create a glass
facade, or combine metal with glass and
solar energy in an innovative way for
your entire building with Ruukki® Design
Palette architectural claddings.
2
CONTENT
ARCHITECTURE & ENERGY page 4
Liberta™ Solar Facade page 4
Liberta™ Glass Facade page 6
Combinations page 8
INVESTMENT page 10
TECHNICAL SOLUTION page 12
DELIVERY & INSTALLATION page 14
REFERENCE page 16
TOOLS FOR THE WORK page 18
3
ARCHITECTURE & ENERGY
Liberta™ Solar
• Height: 630 mm
• Width: 1190 mm
• Depth: 39 mm
• Horizontal and vertical joints: 8 mm
• Fasteners: concealed
• Appearance: Nearly black glass surface
• Please always verify the specifications at www.ruukki.com
4
• Liberta™ Solar Facade enables solutions of a high architectural standard
• Functionally and visually completely integrated to façade with no visible add-ons
• Building integrated photovoltaic system: Glass element including photovoltaic film (PV
Glass module) is integrated to Liberta™ Rainscreen panel steel frame
• Sustainable and renewable energy production to meet the near future even tighter
regulations
• Module power: 90 Wp, power per m2: 120 Wp/m2,
• Example: ~230 m2 produces annually 18 000 kWh. In Finland this covers one year
energy need for heating a small/private house.
• Suitable for new buildings and renovation as well for office, commercial, industrial
and residential construction
5
ARCHITECTURE & ENERGY
Liberta™ Glass
• Width and height: project-specific
• Depth: 39 mm
• Horizontal and vertical joints: 8 mm
• Fasteners: concealed
• Please always verify the specifications at www.ruukki.com
6
• Liberta™ Glass Facade provides architecturally high standard, cost efficient
and fully integrated solution for glass facade
• Glass element is attached to Liberta™ Rainscreen panel steel frame
• Available in five standard colours (left 1. Papyrus White RAL 9018, 2.
Agate Grey RAL 7038, 3. Telegrey RAL 7046, 4. Granite Grey RAL 7026, 5. Traffic
Black RAL 9017, as well as in variety of project specific colours.
• Liberta™ Glass panels provide also visually consistent, free-sized
complementary solution for Liberta™ Solar facade corners and openings. (See
picture below 1. Liberta™ Glass panel 2. Liberta™ Solar panel - unified glass
facade combining Liberta™ Solar and Glass)
• Liberta™ Glass panels enable stylish and precis corner details (See picture 3)
1. 2.
3.
7
ARCHITECTURE & ENERGY
Combine
Ruukki® Design Palette:
• Shapes
• Materials
• Colours
• Energy
8
• Liberta™ Solar is part of Ruukki® Design Palette product family - providing an extra
dimension to the palette in form of ENERGY generation
• Liberta™ Solar is easy to combine with other Design Palette products, allowing
for greater flexibility in design options and complete facade solutions in creative
combinations of shapes, materials and colours for your entire building:
SHAPES - Liberta™ Rainscreen panels, Cladding lamellas and Design profiles
MATERIALS - like steel, aluminium and Cor-Ten
COLOURS - in PVDF and powder coating with quality and wide variety
• Create a glass facade, or combine metal with glass and solar energy in an innovative
way. Unified surfaces, rich in nuances.
www.ruukki.com/designpalette
9
ARCHITECTURE & ENERGY
INVESTMENT
Green energy and image
Solar facade is ecologically sustainable and meets the global need
for renewable energy. The photovoltaic solar facade complies with
the latest requirements for higher energy efficiency and helps in
obtaining LEED and BREEAM credits. It also decreases real estate
maintenance costs and reduces carbon emissions. Liberta™ Solar
facade is a value adding solution for both the real estate owner and
the end user.
10Payback time
Payback time is dependent on a number of factors, including tariffs, the sun and
weather conditions, geographical location and local energy pricing. If tariffs are used
in your country, the produced energy will be fed into general grid and compensated
with certain input price, after which electricity needed for the building is obtained
at standard price. In countries where no tariffs are used, the produced energy will be
utilized by the building itself.
Smaller garbon footprint - case example Finland
• Annual electricity production ~ 84 kWh/m2
• Annually avoided CO2 emissions 74 kg/m2.
Cost efficient solar facade system
As a fully integrated solution:
1. 1. Simple fastening system
2. 2. Fully integrated energy production
3. 3. Ready glass surface
Solar facade is the most cost-effective choice for
a fully-glazed facade that generates energy from
the sun.
11ARCHITECTURE
INVESTMENT
TECHNICAL & ENERGY
SOLUTION
Power generation & technology
Liberta™ Solar panels’ PV-modules are based on photovoltaic CIGS
thin-film technology (copper-indium-gallium-selenide) which is
fast becoming the dominant technology in solar cells. The system
is not dependent on solar heat, only on radiation, making energy
collection possible even when the weather is overcast and/or during
light summer nights in North. To maximize the energy generation it is
recommended to design the Liberta™ Solar panel area as unified as
possible and to be oriented southwards.
12Technical solution
Ruukki Solar Facade is fully integrated facade system which converts solar radiation
directly to electricity utilizing the most advanced and efficient PV-film technology.
1. No visible cables, no penetrations to wall, all cables are in space behind the panels
2. Behind the wall electricity is collected via cables
3. The electricity is transmitted to the inverter via cables
4. Inverter converts the electricity into alternating current (AC) which is the most used
power type of electrical devices
2.
1. 3.
AC 4. DC
13& INSTALLATION
& ENERGY Delivery content
1. Liberta™ Solar panels & support studs / accessories
2. Array box (optional)
3. AC and DC (optional) switches for safety and maintenance
4. Inverter which converts the electricity into AC format
5. Required cables for the Solar panel area & energy kwh counter (counter optional)
ARCHITECTURE
1.
4.
INVESTMENT
3. 3.
AC BC
DELIVERY
2.
Delivery package
Solar facade is pre-designed solution, ready to be connected
to grid - delivery includes all the components and accessories
required on the site. The system will require individual project-
specific local approval. In countries where a feed-in-tariff system
is used, all produced energy is fed into the grid and bought back
what needed. Contract with a local power network distributor is
required. In areas where there is no feed-in-tariff, the electricity
is utilized directly for the real-estates own purposes.
14Installation
Electrical system installation - foolproof and reliable
• All cabling behind modules, ready wiring harness
• Factory-made connectors, fast to use
• Wiring system easy to follow for electrician
• Inverter fully automatic with all safety aspects
• Wiring and connecting as everyday work for electrician
Liberta™ Solar panel installation - fast and easy
1. Attach support studs to backing wall
2. Solar panels are attached to frame with screws
3. Start from lower left corner (pictures: Liberta™ Glass corner example)
4. Principle as normal Liberta™ Rainscreen panels, tested over 20 y
1. 3.
AC 4. DC
15REFERENCES
Ruukki R&D Centre
• Liberta™ Solar Facade with 1 kWp system on the wall to south, Hämeenlinna, Finland.
• Module power: 90 Wp
• System nominal power ~120 Watts (peak) per m2
• Net area for 1 kWp: 8,3 m2/kWp
• Annual production: 680 kWh/a, CO2 emissions avoided: 600 kg/a
• Calculated energy production ~ 84 kWh/year/m2
• Calculated avoided CO2 ~ 74 kg/year/m2
1617
Tools for the work
Ideas and visions into a project
For inspiration - experience the shape and its details on the finished facade surface. Energise
your facade with Liberta™ Solar panels. Visualize the material and colours in different lightings
and from various perspectives with the Ruukki® Design Palette visualizer:
www.ruukki.com/designpalette
For facilitating your work - CAD-tools, design guides and product infomation available when
developing ideas and visions into a design project. Fast and easy installation - carefully
considered details, clear guides and perfectly fitting products. Information and tools can easily
be found from our web pages:
www.ruukki.com - building solutions - facade claddings:
• Dimensioning, Materials, Colours & coatings and availability
• Accessories: flashings to complete the facade with carefully finished details
• Design tools: Autocad 2D dwg -details and ready modelled 3D ocjects with accurate product
information - are being frequently added and updated.
• Installation and maintenance guides
• Order forms & delivery instructions
• Contact information
When developing your ideas and visions into a design project, we would like to give our best
contribution to you.
18User experiences and feedback from architects and contractors
that Elmer Larsen, Manager at Ruukki Construction, expressed after
presenting the Visualizer for the first time in United Kindom:
"...Every single person which I presented the visualizer to have
given very positive feedback to the Visualizer tool and generally
have all been impressed with what it can do.
Architects in particular are impressed and see this as a new idea
and a way to get an initial idea to how various types of profiles and
colours would work and help them to get a better understanding
of the finished product.
Contractors do also feel that this will be useful to present ideas
to a clients but also making it possible to get an instant message
across during a meeting to establish potential alternatives..."
Ruukki® Design Palette Visualizer
www.ruukki.com/designpalette
19Positive challenge
The journey how the Liberta™ Solar Facade has evolved is
fascinating. In a big company like Ruukki, different functions
and organisations in co-operation with customers as well,
can create together a crossfunctional system - an ecosystem
where different parties are sparring and feeding each other.
And when able to conclude the development paths with
combined effort, we are on the way for introducing innovative
and successful end products like Solar Facade for you.
Liberta™ Solar Facade will complete the Ruukki® Design
Palette - architectural claddings offering with new dimension,
active energy generation. The facade cladding is no longer
just a passive raincoat. This is one step on the mission
for building architecturally high standard and sustainable
environment for all of us.
However, without you it is not possible to succeed in the
mission towards better architecture and environment. We
contribute by doing our best - and would like to challenge
you to join our journey with all of your energy when
implementing the built environment for all of us.
Laura Paunila
M. Sc. Architecture
Manager for architectural claddings at Ruukki Construction
20The research and development work started with special interest for solar energy and photovoltaic
technology with business potential.
Pretty soon we identified possibilities for building integrated solutions. The most promising
integrated solution seemed to be the novel thin film CIGS-technology combined with glass.
At the same time we identified a product - Liberta™ Glass panels - innovated recently within
Ruukki, that would provide a perfect platform when developing the building integrated
photovoltaic solution further.
The Liberta™ Glass panels were developed for architecturally high standard and cost efficient
new type of solution for a glass facade, utilizing Ruukki´s well known Liberta™ Rainscreen panel
system in an innovative way.
Then we simply combined the Liberta™ Glass panel with photovoltaic thin film modules. This
simple, yet clever combination sealed the successful outcome
- spearhead product to be introduced to the markets.
Harri Eerola
Application expert
Rautaruukki Corporation
21Energy-efficient steel
solutions for better living,
working and moving
Contact us: www.ruukki.com/designpalette
Copyright © 2011 Rautaruukki Corporation. All right reserved. Ruukki, More With Metals are trademarks of Rautaruukki Corporation.You can also read
