China added 66.43 GW of new-type energy storage in 2025
CNESA says China’s non-pumped storage technologies hit 144.7 GW in 2025, with 66.43 GW added.
Octopus Energy to set up joint venture to trade renewables in China
UK-based Octopus Energy has agreed to set up a joint venture in China focused on spot power trading, in a bid to scale renewable electricity volumes as market reforms and demand growth accelerate.
DKEM seeks $57.5 million in twin patent suits against Chinese PV rivals
Wuxi DK Electronic Materials is pursuing two patent infringement cases against domestic competitors, seeking injunctions, equipment destruction, and combined damages of CNY 400 million ($57.5 million).
Chinese PV Industry Brief: Polysilicon output set to fall by 15% in January
Polysilicon trading in China remained largely inactive, with production cuts accelerating and wafer prices falling week on week, while downstream cell prices continued to rise and module prices held steady, according to a trade group representing China’s nonferrous metals sector.
Cubenergy releases energy storage block for utility, C&I applications
Cubenergy has launched FlexCombo 2.0, a scalable battery energy storage system for utility, commercial, and industrial applications, offering up to 16 MWh capacity with LFP batteries. Its modular design, advanced BMS, and cloud-based operations enable easy installation, seamless expansion, and efficient grid integration, according to the manufacturer.
Envision claims AI-enabled storage systems can detect battery safety risks days in advance
Envision Energy has launched a fully integrated energy storage solution combining hardware, software, and market-facing AI to optimize performance, safety, and trading. Its “Physical AI” platform embeds intelligence across cells, systems, and operations, enabling predictive maintenance and real-time market participation.
China adds 315 GW of solar in 2025
China installed a record 315 GW (AC) of new solar capacity in 2025, lifting cumulative installed PV capacity to 1.2 TW and pushing non-fossil power sources past thermal generation for the first time.
Chinese startup claims record-breaking 27.87% efficiency for single-junction perovskite solar cell
Shenzhen-based SolaEon has reported a 27.87% efficiency for a single-junction perovskite solar cell on a 0.076 cm² lab device, certified by China’s National Photovoltaic Industry Metrology and Testing Center.
Hongyuan rolls out 40 µm ‘engineering-ready’ ultra-thin silicon wafers
Hongyuan Green Energy says it has produced a first batch of 40 µm monocrystalline silicon wafers that support full-size and half-cut formats, with slicing completed using the company’s in-house wafering equipment.
Scientists unveil hybrid-energy heat pump combining absorption and compression cycles
Researchers in Hong Kong have developed a hybrid-energy heat pump that seamlessly combines absorption and compression cycles using crystallization-free ionic liquids, improving efficiency and reliability across varying solar conditions. Simulations in multiple Chinese cities show the system can significantly cut electricity use and cooling costs, making it promising for sustainable building cooling and future commercial scaling.
