The Japanese manufacturer decided to close its CIS module production in October and has now launched its first 250 W monocrystalline product for the residential market.
SFB250-88A solar modules.
Japanese copper/indium/selenium (CIS) thin-film photovoltaic module manufacturer Solar Frontier, a subsidiary of Japanese energy company Idemitsu Kosan Co., Ltd., launched its first single crystal a few weeks after announcing its intention to stop CIS production at its Kokufu factory The solar modules were in the middle of last month. The company said in a statement issued at the time: "We have decided to close the production of CIS solar cell modules by the end of June 2022."
CIS's decision is to make the company part of an OEM-based photovoltaic system supplier and panel manufacturer plan.
The new 250 W mono residential photovoltaic panel is called SFB250-88A and has a size of 1,320x977x35mm. Its weight is 14kg and its power conversion efficiency reaches 19.3%. The open circuit voltage is 30.36 V, and the short circuit current is 10.41 A. The panel can be used with a maximum system voltage of 1,500 V and an operating temperature range of -40 to 85 degrees Celsius. The power temperature coefficient is -0.35%/degree Celsius.
The company provided a comparison with its largest CIS product-the SFK190-S module with a nominal power of 190 W-with a size of 1,257x977x35mm and a weight of 18.5kg. Compared with the new single crystal products, its weight is higher, which depends on the use of thin film technology. Although it has a smaller impact on the environment, it will produce heavier panels. The efficiency of the SFK190-S module is 15.5%, and the temperature coefficient is -0.33%/degree Celsius. The maximum operating system voltage is also 1,500 V.
The manufacturer stated that the SFB250-88A panel has almost the same compact size as the CIS module of the SFK series, but pointed out that its yield rate has increased by 22%.
The module will be available for sale in the Japanese market from now on. It has a 20-year performance guarantee and an annual degradation rate of 0.7%.
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More articles by Emiliano Bellini
Good morning, do these new 250 and 430 watt panels interact with other solar systems? What does the tip of the connector wire look like? Can these panels bear the weight of your cleaning and maintenance?
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