Longi unveils 700 W back-contact PV panel with world record silicon solar cell
Chinese solar manufacturer Longi unveiled a new PV module with 25.9% efficiency at the 2025 SNEC trade show this week in Shanghai, produced using both low- and high-temperature passivation techniques.
China launches world’s first grid-forming sodium-ion battery storage plant
The Baochi Storage Station in Yunnan integrates lithium and sodium-ion technologies at scale, a global first, aiming to stabilize renewable energy and cut costs as China accelerates its energy transition.
Longi achieves 34.85% efficiency for two-terminal tandem perovskite solar cell
The result was confirmed by the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL).
Longi claims world’s highest efficiency for silicon solar cells
Longi said it has achieved a 27.81% efficiency rating for a hybrid interdigitated back contact, as confirmed by Germany’s Institute for Solar Energy Research Hamelin (ISFH).
Longi unveils anti-dust back contact solar module with 24.8% efficiency
Longi has released a back-contact solar module with 24.8% efficiency, featuring a power output of up to 670 W and a temperature coefficient of -0.26% per degree Celsius.
JinkoSolar sues Waaree Energies for alleged TOPCon patent infringement
JinkoSolar has filed a lawsuit in Texas against Waaree Energies and its US subsidiary for the alleged infringement of one of its n-type tunnel oxide passivated contact (TOPCon) patents, marking another move in its aggressive patent defense strategy.
Trina Solar sues Canadian Solar over patents in $147 million lawsuit
Trina Solar has filed a lawsuit against Canadian Solar and its subsidiary, seeking $147 million in damages for alleged infringement of tunnel oxide passivated contact (TOPCon) cell patents. The case, accepted by the Jiangsu High Court, underscores the rise of intellectual property disputes in China’s competitive solar sector.
China adds export restrictions for minerals used in thin-film solar
Restriction on cadmium telluride exports is expected to increase costs for U.S.-based thin-film solar manufacturer First Solar.
Saudi Arabia commissions its largest battery energy storage system
The 2 GWh battery energy storage system (BESS) features 122 prefabricated storage units, designed and supplied by China’s BYD.
World’s largest pumped storage power plant fully operational in China
The plant features 12 reversible pump-turbine units, each with a capacity of 300 MW, including two variable-speed units, bringing the total installed capacity to 3.6 GW.
