Sigenergy unveils 2.68 kWh battery for balcony PV
Sigenergy has launched a 2.68 kWh balcony storage system with four MPPTs and up to 4 kW of PV input. The scalable LFP solution offers 800 W grid output, 1.2 kW backup power, and expansion up to 18 kWh per tower.
Ecoflow debuts 5 kWh residential inverter battery with 100% depth of discharge
EcoFlow has unveiled the single-phase Ocean 2 all-in-one battery inverter at Key Energy in Rimini. The system features a more compact 5 kWh LFP battery stackable up to 30 kWh and offering 100% depth of discharge, 3.4 kW discharge power, and IP66 protection.
Mitsubishi Electric Trane announces new heat pump line for hydronic heating
The systems deliver outlet water temperatures up to 74 C, operate in ambient temperatures from -25 C to 43 C, and can be cascaded in groups of up to 16 units for larger commercial applications.
Optimizing solar EV stations for maximum impact
A new report from the International Energy Agency Photovoltaic Power Systems Programme (IEA PVPS) Task 17 outlines how photovoltaic systems can be effectively integrated with electric vehicle charging infrastructure through optimized sizing, intelligent control, and site-specific design.
CEA-Ines, 3Sun build heterojunction solar modules based on UV downshifting
The new heterojunction solar module concept is based on co-extruded EVA/POE/EVA (EPE) encapsulant with UV downshifting (UV-DS) films, which convert harmful UV light into blue light, protecting cells and slightly boosting short-circuit current by 1.5–1.75%.
Hybrid perovskite solar cell generates power from sun and rain
Researchers at ICMS in Seville have developed a hybrid perovskite solar cell that generates electricity from both sunlight and raindrops, using the photovoltaic and triboelectric effects. A fluorinated CFₓ polymer layer enables water resistance, triboelectric energy harvesting, and high light transparency without reducing solar cell efficiency.
How to address imbalance datasets in solar panel dust detection
Researchers from South Korea improved solar panel dust detection by using SMOTE and stable diffusion (SD) augmentation, with SD boosting detection accuracy from 76.5% to 98.9% while preserving spatial realism.
Austria’s Accupower launches residential sodium-ion battery
The Natec Home has a nominal capacity of 7.68 kWh and a power output of 3.8 kW, and allows parallel connection of up to 15 units. The reference price is set at €3,990.
SERIS builds 22.1%-efficient perovskite-silicon tandem solar cell based on double-sided polysilicon layers
SERIS researchers developed a 16-cm² perovskite-silicon tandem solar cell with a double-sided TOPCon bottom cell, enhancing passivation, reducing recombination, and increasing voltage and fill factor.
Daikin launches new propane heat pumps for commercial, industrial applications
Daikin has introduced two new propane heat pump lines for industrial and district heating applications, combining monobloc units from 20 kW to 85 kW with modular systems scalable up to 2 MW.
