Perovskite-silicon tandem solar cell based on wide-bandgap top device achieves 33.10% efficiency
Researchers in China have integrated a wide-bandgap perovskite solar cell with a hybrid back contact device in a four-terminal tandem cell that achieves high efficiency and stability. Key for the strong performance was a new surface passivation strategy that the research group adopted for the top cell.
Five-year testing show PV façades perform better than expected
Researchers in the Netherlands have analyzed the performance of PV façades during the period 2018-2023 and have found that these system may generate more economic value than conventional rooftop PV systems. Their analysis was based on financial, technical and environmental metrics
Combining floating PV with compressed air energy storage
Researchers from Egypt and the UK developed a new floating PV system concept that utilizes compressed air for energy storage. The system has a roundtrip efficiency of 34.1% and an exergy efficiency of 41%.
Volta Energy unveils new solar generator for construction sites, pumps
Netherlands-based Volta Energy has launched a 15 kVA portable solar generator to provide offgrid power equipment for use on construction sites. The system includes solar panels, an inverter, battery, trailer, and a backup bio-diesel generator.
Chinese PV Industry Brief: GCL Perovskite secures funds for module production
GCL Perovskite says it has obtained nearly CNY 500 million ($68 million) of funding from several Chinese investors to make perovskite-silicon modules.
Expandable solar roof rack adds 1 kW of off-grid charging for EVs
US startup DartSolar says its new roof rack attachment for electric vehicles adds up to 20 miles (32 km) of additional range per day.
EPC Solaire launches mounting system for ribbed sheet metal roofs
EPC Solaire has released a new mounting system for ribbed sheet metal roofs. The French manufacturer says the new system is an ideal solution for installing rooftop PV arrays on flat roofs under renovation, preserving existing elements without structural changes.
Hitachi Energy unveils AI-based solar forecasting solution
Hitachi Energy’s Nostradamus AI solution enables users to make better decisions by generating accurate forecasts for solar and wind generation, market pricing, and load projections.
France concludes C&I rooftop PV tender with average price of €0.09995/kWh
The French authorities have wrapped up a commercial and industrial (C&I) rooftop PV tender with an average price of €0.09995 ($0.1055)/kWh. The government has allocated 253.3 MW of solar capacity in total.
Sinovoltaics updates battery energy storage system financial stability ranking
The latest financial stability ranking keeps Tesla, Mustang Battery, Kung Long Batteries, Hyundai Electric and Eaton, in the top five spots in a report that includes 55 manufacturers.
