Toshiba Energy Systems & Solutions Corp. (Toshiba ESS) has started testing batteries and energy management solutions to stabilize electricity in remote Saudi Arabia through a hybrid wind-solar pilot project. The project will run until May 2028 to evaluate power- and energy-oriented batteries and optimize battery use.

Researchers in China developed a monolithic perovskite-silicon tandem solar cell using a steric-complementary interface design, achieving a certified efficiency of 32.12% and enhanced long-term stability. This strategy optimizes molecular fit in the perovskite lattice, improving both charge transport and device longevity.

Researchers studying PV panels in Chile’s hyper-arid Atacama Desert found that cemented soiling can cause annual energy losses of up to 9.8%. Their combined field and laboratory work shows that dry cleaning leaves residue that accelerates future cementation, making wet cleaning the more effective long-term strategy despite higher costs and scarce water.

Kanazawa University has begun long-term outdoor testing of tandem perovskite solar cells in collaboration with Toshiba. The research project aligns with Japan’s broader push to scale perovskite PV technologies toward large deployment by 2040.

Japan has allocated 75.3 MW of PV capacity in its latest procurement exercise. The lowest price in the auction was JPY 4.97 ($0.032) /kWh.

Swedish independent power producer Alight has completed a 215 MW solar project in Lolland, southern Denmark. The construction of Lidsø solar park started in the summer of 2024.

The Japanese conglomerate has deployed its Panasonic HX hydrogen solution at its facility in Munich. The system uses an AI-based energy management system that reportedly makes battery storage unnecessary.

The two-terminal perovskite–silicon tandem solar cell was fabricated through a chemical polishing method that selectively removes residual lead(II)iodide from the perorvskite film in the top cell. This targeted interfacial engineering improved uniformity and stability, enabling a certified 31.71% efficiency and enhanced long-term performance.

Researchers at Fraunhofer ISE have developed a perovskite-silicon tandem solar cell using a TOPCon bottom cell with standard textured front surfaces. Their results show that TOPCon bottom cells can perform comparably to heterojunction cells in tandem devices in terms of shunt resistivity, supporting scalable, cost-effective industrial production.

AirWater and Suichoku Solar K. K. have launched a 178 kW vertical PV system at a Tottori parking lot, operating under an on-site PPA. The Verpa-based system, a first for the San’in region, maximizes space, avoids snow damage, and reportedly delivers power equivalent to rooftop solar installations.