HIT Double® Bifacial Photovoltaic Module

Munich, May 20, 2009 – SANYO Electric Co., Ltd. (SANYO) is pleased to announce that it will
begin selling its HIT Double® Bifacial Photovoltaic Module for the first time in Europe, starting in
October 2009. The product to be released is a new model representing further improvement on
the HIT Double® that SANYO originally launched as a world-first product. The new HIT Double®
module will be on display at the Intersolar trade show being held in Munich, Germany, from May
27 to 29, 2009.
Features of 205W/200W HIT Double Bifacial Photovoltaic Modules (HIT-205/200DNKHE1)
1. Much higher efficiency and output
By utilizing the advantages of an HIT solar panel that also generates electricity on the back face,
SANYO created the HIT Double® in 1998, the first product of its kind in the world. The original
HIT Double® Bifacial Photovoltaic Module was made using 104-mm solar cells. In fiscal 2006,
SANYO began developing sales in the US market with the HIP-200DA3 (200W bifacial
photovoltaic module).
Now SANYO has developed the HIT-205DNKHE1, a new HIT Double® model for the European
market, composed of 6 rows of 12 125-mm solar cells, for a total of 72 cells. With a rated power
of 205 watts, this panel has about 2.5% more output than the earlier HIT Double® model for the
US market.
2. Module design optimization allows more power generation on the back face
By optimizing the space between the solar cells and aluminum frame of the photovoltaic module,
SANYO increased the amount of light that can penetrate between the cells and the frame. This
improved both the electrical generation and the sunlight penetration benefits for facades and
other applications. Not only was there reduction of shadows cast by the aluminum frame, but by
making it a silver color, the reflective properties of the frame were also actively utilized, thereby
improving the amount the electricity generated by the back face of the panel.
Benefits of HIT Double®
1. Electricity can also be generated on the back face, thanks to a module construction that
sandwiches HIT solar cells between two plates of glass.
2. It is effective for flat roofs where the module installation angle and height can be easily
adjusted, in order to convert the ambient light that hits the back face of the photovoltaic
module into electricity.
3. It is possible to further increase electrical generation on the back face by painting the roof
white in order to increase the amount of reflected light. A roughly 20% increase in annual
electrical output can be expected compared to a regular module (NKHE type)*1.
Specifications

1. In the case of a south-facing panel installed at a 15-degree angle on a roof painted white with a reflectivity rate of
0.64. According to a SANYO simulation based on actual measurement values (taken in Cologne, Germany)

Popularity: 2%

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One Response to “SANYO to Launch New HIT Solar Panel in Europe”

1. Joe@ DIY Solar Panels says:

   September 17, 2009 at 2:31 am

   I must say that the specifications look really impressive. And the weight is pretty reasonable for such a product that packs a punch. I was only wondering how much more effective is the “power generation on the back face” gonna be since these reflections aren’t going to be much. However it is a good idea to use some reflective “color” anyway since this will “reflect” all the heat away, giving the solar panel a chance to be cooler.