Thermochromic bifacial PV glazing system for reducing building cooling loads
Researchers in Hong Kong Hong Kong fabricated a thermochromic bifacial photovoltaic glazing system prototype that passively regulates solar heat gain while harvesting energy from both sides. Experiments and simulations showed it significantly reduces cooling loads and indoor temperatures while boosting electricity generation.
Ariston launches residential propane heat pump with built-in PV function
The Italian heating solutions provider said its new Nuos Plus S2 Wi-Fi heat pump system offers up to 80% energy savings and a coefficient of performance of up to 3.51.
China’s new five-year plan deepens shift toward focus on renewables system
China’s 2026 to 2030 policy plan elevates clean electricity as a central driver of economic growth, with greater emphasis on system integration and industrial use.
Samduo launches residential AC-coupled plug-in storage systems
The Chinese manufacturer said its new Nex E6000 and Nex E6000H storage systems combine a 6 kWh battery, an inverter, and an integrated energy management system, with scalable design allowing multiple units to be networked for higher capacity and coordinated energy sharing.
Marstek launches 2 kWh plug-in battery storage system
Marstek has unveiled a plug-in storage system with a two-kilowatt-hour capacity. The device plugs into a standard household socket and is designed to store solar power from balcony systems or draw in cheap electricity from dynamic pricing tariffs.
Fox ESS presents residential storage system line with 89.6% round-trip efficiency
The new series features single- and three-phase systems with scalable LFP battery integration. Designed for rapid whole-house backup and VPP applications, the new product delivers up to 89.6 % round-trip efficiency, according to the manufacturer.
DMEGC launches 475 W full-black solar module
The Chinese manufacturer said its new rooftop solar module offers 455–475 W power, 22.8–23.8% efficiency, 96-cell double-glass design, and IP68 protection.
LG debuts new indoor air-to-water heat pumps
The Korean manufacturer has expanded its Therma V R290 heat pump line with three indoor unit options to improve installation flexibility. The new products are designed to deliver heating performance at ambient temperatures as low as -28 C and domestic hot water output of up to 75 C.
Is Switzerland going back contact?
In 2025, back-contact solar modules from Aiko Solar and Longi accounted for more than 50% of the Swiss market, driven by strong demand for high-efficiency rooftop PV systems, according to a new report by Eturnity and the Bern University of Applied Sciences.
Sigenergy unveils 166 kW inverter for C&I solar
Sigenergy has launched a 166 kW IP66-rated inverter for C&I solar and storage offering nine MPPT trackers and flexible AC/DC connections. The launch coincided with the opening of its Nantong Smart Energy Center, a 136,000 m² facility for R&D, manufacturing, and global delivery.
