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PHOTOVOLTAIC GLASS FOR BUILDINGS
Pic. Amorphous Silicon PV Skylight, 10% transparency. Valladolid, Spain.
TABLE OF CONTENTS
1 - ONYX SOLAR, THE GLOBAL LEADER IN PV GLASS
2 - WHAT IS A TRANSPARENT PHOTOVOLTAIC GLASS?
3 - COST INFORMATION & ROI
LEARN MORE AT OUR FREE WEBINARS
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT? 2
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ONYX SOLAR: THE GLOBAL LEADER IN PV GLASS FOR BUILDINGS
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
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TOWARDS A NEW & MORE SUSTAINABLE ARCHITECTURE
GREEN BUILDING
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5 LOW-E PHOTOVOLTAIC GLASS:
WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT? [email protected]
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PHOTOVOLTAIC GLASS FOR BUILDINGS ENERGY GENERATION PERFECT INTEGRATION SUSTAINABLE
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INTERNATIONAL EXPERIENCE
130 PROJECTS+ AROUND THE WORLD
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OUR FACTORY 5,300,000 SqFt+ OF PRODUCTION CAPACITY
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35+ INTERNATIONAL AWARDS
INTERNATIONAL QUALITY CERTIFICATIONS
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
ISO 9001:2015
ISO 14001:2015
UL 1703 &
ULC/ORD-C1703
IEC 61215:2005 IEC61730 2004:1&2
UNE-EN 14449:200
UNE-EN 356:2001
UNE-EN 12600:2003
UNE-EN ISO 12543-4:2011 Environmental Management
Quality Management
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WHAT IS A TRANSPARENT PHOTOVOLTAIC GLASS?
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Photovoltaic (PV) Glass
Architectural glass which besides providing the building
with the same passive properties as a conventional
glazing, it also generates free electricity from the sun.
It is therefore, the only building material available in the
market that provides your building a return on the
investment.
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PV GLASS PROPERTIES
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
Decrease in O&M Costs
99% UV
Up to 95% IR
As low as .13 BTU/hFt2*F
VLT on demand
Energy efficiency + aesthetics
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PV Glass works as a revenue-accelerator
Reduction in HVAC size and usage thanks to the optimized
performance of the PV Glass.
Unlocking Tax Credits and incentives.
Free and clean electricity from the Sun, obtaining a
fixed price for the kWh and protecting the owner
against continuous electricity rate increases.
Positive contribution to the natural environment.
Reduction of building’s Carbon Footprint.
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13 LOW-E PHOTOVOLTAIC GLASS:
WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
LESS THAN 1 YEAR PAYBACK
PV Glass + electrical installation
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WHAT IS THE PV GLASS MADE OF?
Glass lites
Solar cells
Interlayers
Junction box
Add-ons
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GLASS LITES
There are no special requirements for the glass lites that
compose a photovoltaic glass unit. In fact, glass lites for
PV glass units present the same heat treatments,
characteristics and properties as the traditional,
architectural glass. Dictated by the architect.
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SOLAR CELLS Solar technology keeps evolving everyday, aiming to improve efficiencies,
lifespan, and even the aesthetics of the technology. The following table shows
several of the major solar technologies available in the market.
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
TYPE OF PV SOLAR CELL PRIMARY MATERIALS EFICIENCY (%)
Thin Film
Dad A-Si
Silicon
5-10%
Crystalline Silicon
Monocrystalline
16-20%
Polycrystalline
13-16%
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JUNCTION BOX Electrical junction boxes are attached to the PV glass unit, either at the
edge of the laminated glass, or in the rear lite of the composition.
Each PV glass is supplied with its own junction box. The junction box can be
bipolar or monopolar. The bipolar is the most commonly used for PV glass. The monopolar junction box requires two units per module.
The photovoltaic glass units do not require framing system any different from
that of the conventional glass. This allows the adaptability and multi-
functionality as to where and how the PV glass is utilized.
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JUNCTION BOX
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By add-ons we refer to other configurations for the photovoltaic glass that,
depending on the performance desired for the project, may be required.
Spacers are a typical add-on to improve the U-value of the PV glass unit;
counting on an double pane unit and considering the coatings applied, the
photovoltaic glass can reach U-values as low as 0.13 BTU/h*Ft2*Fº.
Typical spacer thicknesses are ¼”, ½” and 10/16”, depending on the insulation
required. Air and Argon gas fills are commonly requested.
.
Picture on the left shows a typical amorphous Silicon double glazing
configuration, as a reference.
ADD-ONS
19 LOW-E PHOTOVOLTAIC GLASS:
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AMORPHOUS CRYSTALLINE
SOLAR TECHNOLOGIES
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AMORPHOUS Coating over a layer of flat glass (CVD)
Visual Light Tr: Dark, 10, 20, 30%
Efficiency 5% - 10%
Greater energy production (kWh) at
the same installed power (kWp)
Better behavior under the presence of
shadows / overcast (tilt, orientation)
Low temperature coefficient – performs
well under high temperature
Unobstructed views
Cheaper than crystalline-Si PV Glass
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CRYSTALLINE
Mono and Polycrystalline
5” or 6” solid, square solar cells
Efficiency 15% - 18%
Higher kWp installed per Sqft
Greater nominal power per square feet
(Wp/SqFt)
Produces more electricity under direct
sunlight
Flexibility in functional design - trapezoids
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SIZE, SHAPE AND COLORS
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
100% Personalized
Glass is personalized to the specific
requirements of each project. We manufacture the largest photovoltaic glass in the market (14’ x 7’).
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SIZE, SHAPE AND COLORS
Photovoltaic glass can be normally
manufactured in a variety of sizes.
Amorphous silicon: sizes usually range
from 1245mm x 635 mm (49’’ x 25’’) up to
4000x2000 mm (ca. 14’ x 7’), but glass
can be personalized to the specific
requirements of each project.
Rectangular and irregular shapes available (the irregular shapes are not
recommended for the amorphous
silicon).
A wide range of colors –up to 1,500-.
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
AMORPHOUS Sizes
Transparency
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SIZE, SHAPE AND COLORS
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
CRYSTALLINE
Crystalline silicon typical maximum size is of approximately 4000 mm x 2000 mm (ca. 14’ x 7’), but glass can be personalized to the specific requirements of each project.
Crystalline silicon glass-on-glass units can also
provide interesting design options through different shapes. While the rectangular is the most frequent, trapezoids and non-regular shapes are also available.
Crystalline silicon is composed of solid opaque photovoltaic cells that are not
customizable (the cell have standard sizes of 5” and 6”). The spacing of the cells, however, is customizable, which is how the transparency is accomplished with the crystalline units.
Sizes
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APPLICATIONS
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PHOTOVOLTAIC SKYLIGHT
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
Pic. Crystalline Silicon PV Skylight, 30% VTL. Novartis HQ, New Jersey
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28 LOW-E PHOTOVOLTAIC GLASS:
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295 kWp DC. Produces about 320,000 kWh/year. 7’ x 2.5’ glass units
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PHOTOVOLTAIC SKYLIGHT
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
Pic. Amorphous Silicon PV Skylight. 20% transparency. ING, Madrid
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PHOTOVOLTAIC SKYLIGHT
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
Pic. Amorphous Silicon PV Skylight. 20% transparency. San Anton Market, Madrid
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PHOTOVOLTAIC SKYLIGHT
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
Pic. Amorphous Silicon PV Skylight. 10, 20 & 30% VLT + colors. Bejar Market, Salamanca
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PHOTOVOLTAIC VENTILATED FAÇADE
Pic Amorphous Silicon PV glass. Combination of different degrees of semi-transparency together with white glass. Spain
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SECOND SKIN FAÇADE
Pic Amorphous Silicon PV glass, 20% transparency. Turkey
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Pic Amorphous Silicon PV glass, 20% transparency. Turkey
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PHOTOVOLTAIC CANOPY
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
Pic. Crystalline Silicon PV Skylight. Produces about 34,500kWh yearly. American Airlines Arena, Miami
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PHOTOVOLTAIC CANOPY
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Pic. Crystalline Silicon PV Glass, 172 kWp power capacity. Bart Station, San Francisco.
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PHOTOVOLTAIC CANOPY
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
Pic Amorphous Silicon PV Glass, 20% transparency. San Francisco.
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Pic.Crystalline Silicon PV Glass, 626Wp/unit. Mohammed VI University, Marrakesh.
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PHOTOVOLTAIC CANOPY
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PHOTOVOLTAIC CURTAIN WALL
Pic. Amorphous Silicon 10% transparency. Double pane glass. Malaga, Spain.
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WALKABLE PV PAVERS
LOW-E PHOTOVOLTAIC GLASS: WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
Pic. Amorphous Silicon, New York
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41 LOW-E PHOTOVOLTAIC GLASS:
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ANTI-SLIP ROOF RAINSCREEN
Crystalline Silicon anti-slip photovoltaic glass. Retail Space in California.
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Other applications:
PV PARKING-LOT, SPANDREL, SHADOW BOX, GUARDRAILS, FINS AND LOUVERS
PV FURNITURE
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COSTS & ROI
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44 LOW-E PHOTOVOLTAIC GLASS:
WHY ARE REAL ESTATE DEVELOPERS VOUCHING FOR IT?
The only building material that pays for itself
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COST INFORMATION
The cost of photovoltaic glass varies
depending on:
1.- Total PV Glass SqFt.
2.- PV Glass dimensions.
3.- PV Glass buildup.
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COST INFORMATION
Prices for the PV Glass can range from $15/Sqft
for 1/4” PV + 1/4” laminated PV glass, up to
$26/Sqft for photovoltaic double glazing units. In
between there is a wide range of options.
Cost of the structural system: photovoltaic glass is
normally frameless.
It is compatible with most commercial
framing/structural systems in the market.
Therefore, there are no extra costs associated to
the framing system.
Cost of the electrical balance system: depends
on the energy management business model
selected (direct consumption, self consumption
with backup, grid connected).
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47 LOW-E PHOTOVOLTAIC GLASS:
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Why is PV Glass more
affordable than what you think?
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PHOTOVOLTAIC GLASS PAYS OFF
What is the return on the investment for a traditional glazing?
None.
Photovoltaic glass reduces operation and maintenance costs,
especially associated with HVAC systems . Thermal insulation
improvement.
It generates electricity from the sun.
The return on the investment may vary between each project according to the solar radiation. the
local electricity price and the incentives that it could apply for (federal, state and local levels).
The only material that pays for itself in just 1 year !!!!
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49 LOW-E PHOTOVOLTAIC GLASS:
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ESTIMATED COST COMPONENTS $/SQFT FOR A CURTAIN WALL
1 The total cost for a curtain Wall built with Onyx Solar’s glass is $92/sqft. Only 15% higher than a curtain wall
built with conventional low-e glass. The energy production, together with outstanding properties of Onyx
Solar’s glass, guarantee a payback time of just a few months, for this additional investment of $12/sqft.
$ 80/sq.ft. Curtain wall built with
Conventional Low-e Glass
$ 92/sq.ft. Curtain wall built with
Photovoltaic Low-e Glass
$ 64/sq.ft. Photovoltaic Curtain wall after Tax Credit
2 Moreover, any installation that includes Onyx Solar’s photovoltaic glass qualifies for the solar investment
tax credits, than can be claimed on federal corporate income taxes for 30% of the cost of the solar
photovoltaic (PV) system.
3 Therefore a curtain wall using Onyx Solar’s glass has a real cost of just $64/sqft, 20% less expensive than a
system built with a conventional low-e glass, that is not able to generate electricity during the next 30 years
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ESTIMATED COST COMPONENTS $/SQFT FOR A CURTAIN WALL
4 This curtain wall built with Onyx Solar PV glass could also benefit from other incentives at federal, state
and local levels, such as the Modified Accelerated Cost Recovery System (MARCS).
$ 80/sq.ft. Curtain wall built with
Conventional Low-e Glass
$ 92/sq.ft. Curtain wall built with
Photovoltaic Low-e Glass
$ 32/sq.ft. Photovoltaic Curtain wall after Tax Credits
Paying less for your curtain wall while cutting your electricity bill is now possible
5 In states like Hawaii, solar incentives go far beyond. By claiming the 35% Hawaii State Tax Credit, the real
cost of a PV curtain wall goes down to $ 32/SqFt, since it can be claimed in addition to the 30% Federal Tax
Credit, achieving a 65% Tax Credit!
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SPAIN AVILA Calle Río Cea 1 - 46 05004 Ávila Tel.: +34 920 21 00 50 [email protected] www.onyxsolar.es
USA NEW YORK
Onyx Solar Group, LLC.
1123 Broadway, Suite 908 New York, NY 10010
Tel.: +1 917 261 4783
[email protected] www.onyxsolar.com
THANK YOU!
