Increasing PVT-assisted heat pump efficiency with liquid overfeed design
Researchers in China developed a large-scale PV-thermal heat pump system using a liquid overfeed method that reportedly improves both thermal and electrical efficiency. Field tests showed up to a 4.81% boost in power generation and significantly reduced pressure losses compared to conventional systems.
Bangladesh opens testing lab to certify solar module quality
The Bangladesh Standards and Testing Institution (BSTI) says its new solar module testing laboratory in Dhaka marks a major step toward enforcing quality standards and supporting the nation’s export ambitions.
Detecting PV module defects at a single glance
Scientists in China have developed a new deep learning model based on the so-called “You Only Look Once” algorithm, which requires only one forward propagation pass through the neural network to make predictions,
NTU achieves high stability in 25.1%-efficient inverted perovskite solar cell
Researchers at Nanyang Technological University have demonstrated a method to integrate chemically inert low-dimensional interface materials into the fabrication of inverted perovskite solar cells. Their prototype solar cells retained over 93% of the initial power conversion efficiency of 25.1% after 1,000 hours of operation, and 98% after 1,100 hours at 85 C.
Fothermo debuts immersion heater for excess PV power
The German company said its new device features a DC input supporting up to 3 kW of photovoltaic power. The heating output can be continuously adjusted between 0 W and 1,000 W. Priced at €549 ($635) including VAT, the heating element is designed for hot water storage tanks with capacities of up to 500 L.
LG Chem, Sinopec to jointly develop sodium-ion battery materials
From ESS News China Petroleum & Chemical Corporation (Sinopec) and South Korea’s LG Chem have signed a joint development agreement to advance key materials for sodium-ion batteries, as the technology moves closer to mass commercialization. Under the agreement, the two companies will collaborate on developing cathode and anode materials for sodium-ion batteries, targeting applications in […]
Italy limits solar tax break to EU-made HJT and tandem modules
Italy’s 2026 budget law limits its “Iperammortamento2026” fiscal incentive to European-made heterojunction (HJT) and tandem perovskite solar panels. Experts say the move gives Italian manufacturer 3Sun a strategic advantage and warn that the exclusion of tunnel oxide passivated contact (TOPCon) and back-contact (BC) technologies could distort competition and create market inefficiencies.
All low-cost PV monitoring systems at a glance
A group of scientists in China conducted a comprehensive review of existing low-cost photovoltaic monitoring approaches. They found that only 11 out of 88 studies related to PV monitoring incorporate machine learning. The researchers urge the scientific community to place greater emphasis on lightweight machine learning solutions and smartphone-based integration.
New Python-based tool optimizes PV plant deployment on hilly terrain
Researchers in India have developed a novel layout design tool to identify the optimal locations for solar panel installation on undulating terrain. The tool consists of two components: a filtering module that excludes unsuitable land patches, and an algorithm that determines the optimal distribution of panels across the remaining usable area. The approach was demonstrated on a test site in India.
Vilion releases new C&I battery energy storage system
The Chinese firm says its new EnerCube product is designed for commercial and industrial applications. It has a capacity of 2,250 kWh.
