Japanese railway operator testing perovskite solar on noise barriers
Central Japan Railway Co. and Sekisui Chemical have revealed plans to deploy flexible perovskite-based PV systems along the Tokaido Shinkansen train line in Japan. They are using thin, lightweight, flexible film-type perovskite solar cells.
Sinovoltaics highlights India’s strengthening supply chain
India’s solar panel supply chain map, recently updated by Hong Kong-based quality assurance firm Sinovoltaics, identifies 111 production sites with a combined PV module manufacturing capacity of 58.4 GW. An additional 60 GW is set to come online between 2027 and 2030, raising announced capacity expansions to 119 GW.
Storing photovoltaic-thermal energy with volcanic tuff stones
Scientists in China have used ground heat exchangers based on volcanic tuff stones to improve storage capabilities and efficiency of photovoltaic-thermal systems. Their experiments showed that the proposed combination effectively improves PV module cooling and thermal efficiency.
California winery installs solar with dual-axis tracking
A winery California will cover 95% of its electricity needs with a solar array that tilts on two axes to follow direct sunlight through the day.
Waaree Energies starts trial production at 5.4 GW solar cell factory
Waaree Energies has started trial production at its 5.4 GW solar cell factory in the Indian state of Gujarat. It is the largest solar cell manufacturing facility in India.
Trina Solar sets world record for solar module efficiency at 25.44%
Trina Solar has set a world record for solar module efficiency at 25.44%, verified independently by the CalLab at Fraunhofer ISE.
JinkoSolar sues Longi for TOPCon patent infringement
JinkoSolar has filed a patent infringement lawsuit against Longi over tunnel oxide passivated contact (TOPCon) solar cell technology, with the first hearing scheduled for Feb. 13, 2025.
JinkoSolar claims 33.84% efficiency for perovskite-silicon tandem solar cell
The result was confirmed by the Shanghai Institute of Microsystem and Information Technology under the Chinese Academy of Sciences (CAS).
China’s Haitian Group to buy PV business from Heraeus for $686 million
China’s Haitian Group has agreed to acquire Heraeus’ photovoltaic silver paste business for $686 million, including 100% equity in Heraeus Photovoltaics (Shanghai), Heraeus Photovoltaic Technology (Shanghai), and Heraeus Photovoltaics Singapore.
Chinese institutes create new metrological traceability system for silicon, perovskite solar cells
China’s Fujian Metrology Institute (FMI) and the National Photovoltaic Industry Measurement and Testing Center (NPVM) have created a metrological traceability system for both silicon and perovskite solar cells. The calibration system consists of a monochromatic light system, a bias light system, a 3D-motion measurement platform with temperature control, and an electrical measurement system.
