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Advanced CIGS technology superior characteristics under imperfect conditions

Versatile Efficient Aesthetic Non-toxic Durable

For over 10 years, Eterbright Solar Corporation and Hiwin have devoted their resources to advance clean and safe CIGS technology. CIGS stands for the Cooper, Indium, Gallium, and Selenide - the four core elements of the CIGS solar cell. CIGS is a thin-film technology that does not rely on silicon materials, therefore it has its particular characteristics widely acknowledged in the PV industry. Most importantly, CIGS delivers higher yields per kWp installed. It enables versatile installations under imperfect conditions. It is highly durable and undeniably aesthetic. It is also a single mainstream PV technology said to be non-toxic and safe, while the technology is RoHS certified.

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Versatile

With the high yield generation, achieved even with the systems designed for the challenging conditions, CIGS offers true versatility to the project developers. The CIGS solar cells are less sensitive to the deviation from the optimal tilt angle so our products could be installed flat or vertical. Moreover, CIGS registers lower losses from the shading or low light intensity. Given that, CIGS is predominantly used in Building Integrated PV, which is set to experience the accelerated growth in the near future.

Unique characteristics

intrinsic to CIGS

For imperfect conditions

the majority of cases

Numerous project solutions

BAPV and BIPV included

Versatility

 

Efficient

Data proves that CIGS delivers higher yields per kWp installed compared to traditional c-Si solar cells. The difference has its origin in the band-gap engineering leading to wider spectral response - simply speaking, CIGS absorbs more light. As result, CIGS works better in low light conditions, including shade, while the generation time is extended. Additionally, the industry's low-Temperature Coefficient minimizes substantial losses during hot weather.

High Output

Low Temp. Coefficient

minimized heat losses by at least 25%

Low light behavior

leading to extended working hours

Wide spectral response

to absorb more light and energy from the surrounding

Aesthetic

 

The visual aesthetic of our products is elegant and sleek. No longer does architecture have to sacrifice sophistication and style in the name of solar power. Our products provide a bridge between the industries of architectural design and renewable energy, merging and revolutionizing them so that the future can be both functional and beautiful.

Uniform black color

sleek, of high quality, and matching the roof

No glare or glint

matt and undisturbing the surrounding

Aesthetics

 

Non-toxic

Eterbright is currently the single supplier on the European market which is able to provide the Cadmium, Lead, and Arsenic-free modules in the scale production. For other technologies, solar energy comes with an environmental price, paid during future recycling, or potential contamination. It is especially important for residential market customers who should not be exposed to dangerous elements.

Eco and safe

certified according to RoHS

to eliminate poison from customer's roof

No Cadmium, No Lead,
No Arsenic

Unlike Mainstream c-Si Modules

Durable

Once purchased, the photovoltaic products are meant to serve for decades. Any risk factors embodied in the solar cell or module structure could contribute to the potential flaws in power generation and safety. The CIGS products are uniform in their structure with a minimized number of solder joints. Our solar cells are not subjected to PID, LID, and micro-cracks. The density of solar cells in the modules decreases greatly the devastating impact of shadow. Over time, it contributes substantially to yields and potential defects from Hot-spots. Compared to mainstream technologies of c-Si, CIGS is a in better position to serve its customers over the life-span of the warranty.

Uniform and solid surface

solar cells are printed on the glass

PID-free,
LID-free

the obvious risk for mainstream c-Si products

Low shadow effect

increased output and elimination of hot-spot risk

Solid Quality