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PV Expo Tokyo 2024: Lightweight solar modules, agri-PV and big storage aims

PV Expo Tokyo 2024, Japan’s main solar industry event, has concluded with record numbers, innovative products, and new trends. Storage auctions and new rules for power purchase agreements (PPAs) are driving the market to new spaces, as project developers scramble for land to build on, while lightweight plastic modules continue to gain prominence.

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Solarge opens first large-scale solar production line

Solarge, a Dutch panel manufacturer, says that its new factory will make two types of lightweight mono-PERC panels with low carbon footprints. It says it will design them to be reused at the end of their 25-year lifespans.

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Sharp achieves conversion efficiency of 32.65% in flexible, lightweight solar module

The new prototype uses a triple-junction compound design, which sandwiches the solar cell between layers of film. The module is expected to be used in a variety of vehicles, an application that demands high efficiency and lightweight construction. Its conversion efficiency bests that of a similar Sharp module developed in 2016, which notched an efficiency of 31.17%, at the time a world record.

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A lightweight plastic to replace aluminum module frames

South Korean company LG Chem has developed a new plastic material that it says could replace the metal frame of a PV module, making it much lighter. The company says it has already secured mass production capability for the material and begun selling products at full scale.

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From Suntech to Sunman’s glass free modules

At the beginning of the decade, Zhengrong Shi, at that time founder and CEO of Suntech, was one of the most influential people in solar. After the Chinese module manufacturer ran into troubles in 2013, he had to go and, thus, slipped out of the spotlight. Now he is back as founder of Sunman, a company specializing in lightweight crystalline modules using polymer composite materials instead of glass. pv magazine caught up with him at Intersolar Europe 2019.

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