The Solliance consortium has built a solar cell in a four-terminal tandem configuration that combines a 17.8%-efficient highly near-infrared transparent perovskite cell with a prototype of an 11.4%-efficient c-Si interdigitated back contact silicon heterojunction cell developed by Panasonic.

An Indian research group has used three different chemicals instead of commonly used hydrofluoric acid to separate silicon from the cell. The technique is claimed to be able to deliver recycled silicon with a purity of up to 99.9984%.

The new product has a power conversion efficiency of up to 19.3% and a weight of 11.2 kg. The module is produced with glass fiber reinforced plastic, which the manufacturer says reduces light reflection and opens up new assembly options.

Israel-based Augwind has built its first 250 kW/1 MWh compressed air storage system for the collective community of Yahel, in the southern, desert part of the country. The commercial scale facility will be connected to a PV system and will be used for behind-the-meter services.

Developed by French start-up EODev, the 100 kVa system is equipped with fuel cells manufactured by Toyota. The generator has a power of 110 kVA and its lifetime is guaranteed for 15,000 hours.

The 97%-efficient device is said to be the most powerful PV microinverter developed by the company to date and is capable of forming a microgrid during a power outage. The U.S. manufacturer expects to ship the first products in December.

The 210 mm module can reach a power output of up to 703.6 W and a power conversion efficiency of 23.08%. The result was confirmed by Germany’s TÜV SÜD.

Vietnamese manufacturer Irex has announced a new glass-glass solar panel with a power output of 265 W and a power conversion efficiency of 18.1%.

The system has dimensions of 834×417×1,766 mm and weighs 205 kg including the design panel. It achieves an electrical efficiency of 56% and can be connected with a hot water storage unit.

Dansk Solenergi ApS has developed a 13.6 kg tile that can be used for both new buildings and building renovation. The device is currently being produced in Denmark, where the company operates a 40 MW line.