REC Solar Gets EPDs Certification for Silicon, Multicrystalline Blocks for Use in Solar Cells

REC Group subsidiary REC Solar Norway said that EPD Norway has approved and published Environmental Product Declarations (EPDs) for solar grade silicon and for multicrystalline silicon blocks made by REC.

February 24, 2021. By Manu Tayal

REC Group subsidiary REC Solar Norway said that EPD Norway has approved and published Environmental Product Declarations (EPDs) for solar grade silicon and for multicrystalline silicon blocks made by REC.

The company produces high purity silicon for use in solar cells, using a unique metallurgical purification method that consumes upwards of 75 per cent less energy than typically competing processes.

EPD is a global, independently verified environmental declaration which summarizes the environmental impacts of all components of a finished product, production process and transport.

REC’s EPDs have been developed according to Product Category Rules (NPCR 029 - v1.1) managed by EPD Norway. These are internationally recognized guidelines for developing an EPD, making it possible to compare the climate impact of two products of the same category. Product Category Rules for elements of the solar cell value chain result from a project initiated by the Norwegian Solar Energy Cluster, supported by the Norwegian Research Council.

An EPD has been created based on a Life Cycle Analysis (LCA), which in turn carried out in accordance with relevant ISO standards and guidelines. Asplan Viak, one of Norway’s largest and most recognized engineering and architecture companies within construction and infrastructure sector with an extensive experience with EPDs, has conducted the LCA for REC Solar Norway, which gave a carbon footprint of 11.2 kg CO2-eq per kg silicon. This is by far the lowest climate impact of any solar grade silicon product, and between 5 to 15 times less than solar grade silicon produced by the dominant production methods.

Commenting on the development, David Verdú, Managing Director of REC Solar Norway, said, “with an EPD for solar grade silicon, authorities, developers and individual customers can objectively assess their choice of solar PV product with respect to its embedded carbon footprint. Although solar panels do not generate emissions once installed, the production methods of a panel can differ significantly. REC Group has always been committed to a low carbon footprint in its solar materials and panels and is continuously striving to make manufacturing more efficient and save on resources. We are already working on the next big innovations for the industry.”

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