Longi claims 33.9% efficiency for perovskite-silicon tandem solar cell
The US Department of Energy’s National Renewable Energy Laboratory (NREL) has confirmed Longi’s achievement of a world record-breaking efficiency rating of 33.9% for a perovskite-silicon tandem solar cell.
German consortium aims for backsheets with 40-year lifecycle
The “Folie40” project involves backsheet makers, solar module manufacturers, and research institutions such as Folienwerk Wolfen, Meyer Burger, Aluminum Féron, Fraunhofer ISE, and the Anhalt University of Applied Sciences.
New intraday solar forecast method focuses on cloud temporal variability
The new SolarSTEPS forecasting method improves ensemble forecast quality by 9.3% compared to approaches that consider only cloud advective motion.
Chinese institute unveils 26.1%-efficient perovskite PV cell with new additive
The Chinese Academy of Sciences has unveiled a high-efficiency perovskite solar cell with a purported peak efficiency rating of 26.1%, by using 1-(Phenylsulfonyl)pyrrole (PSP) as an additive. The cell is third-party certified with an efficiency of 25.2%, and it maintains 92% of its original efficiency after 2,500 hours of operation.
Huawei reveals safety, yield performance data for optimizers
Huawei has released a white paper regarding the safety and performance of its Smart Module Controller optimizer series.
Bluetti introduces new modular residential battery system
Bluetti, a US solar and storage specialist, has developed a modular 7,600 W lithium iron phosphate battery system for residential settings, with 9.9 kWh to 19.8 kWh of flexible energy storage capacity.
New design parameters for photovoltaic-thermal air collectors
A UK-based research team has developed a new design technique for photovoltaic-thermal air collectors. The new parameters reportedly enable devices with lower PV module temperatures and higher efficiencies.
ClearVue to add 82 kW of solar glass to greenhouse in California
ClearVue plans to install clear solar glass on a System USA greenhouse in California, adding 82 kW of power.
HPS Home Power Solutions unveils hydrogen residential storage system
Germany’s HPS Home Power Solutions says its new 15 kW system uses surplus power from PV installations to produce hydrogen via electrolysis.
Quiet shift from central to string inverters in utility-scale solar
Central inverters still dominate the US utility-solar market but string inverters are beginning to get more traction in projects above 10 MW in size.
