Hybrid wind-solar power system for residential applications
Dutch startup Airturb has developed a 500 W hybrid wind-solar power system featuring a vertical axis wind turbine and a solar base hosting four 30 W solar panels. The system can be used for rooftop or off-grid applications.
Scotland to deploy first floating PV array
Nova Innovation, a leader in tidal energy tech, says it will install Scotland’s first floating PV demonstrator later this year. The company currently has a multi-megawatt international pipeline under development.
Saltwater flow battery produces graphene while charging
Salgenx has developed a way to produce graphene on demand from its saltwater flow battery. The tech exploits the electrochemical properties of the battery’s cathode to exfoliate graphite into individual layers of graphene. The company says it can produce graphene for less than $1.25 per gram, providing storage businesses with an additional revenue stream.
Only5mins! – Lower electrolyzer costs crucial for green hydrogen deployment
Low electrolyzer costs, low capex, a low levelized cost of energy, and a decent capacity factor are key to developing viable green hydrogen projects. George Touloupas, senior director of technology for Clean Energy Associates, tells pv magazine about the main challenges and the current price trajectory for green hydrogen tech.
Yingli releases 435 W n-type TOPCon solar panel with 22.28% efficiency
Yingli is offering six versions of its 108-cell Panda 3.0 PRO modules, with power outputs ranging from 410 W to 435 W and efficiencies ranging from 21.0% to 22.28%.
Projoy unveils microinverter to link up to 8 solar panels
Chinese manufacturer Projoy is selling a new microinverter with maximum power point tracking (MPPT) and power outputs ranging from 2.2 kW to 3 kW. The smallest version can can connect between four and eight solar panels, while the largest can link seven to eight modules.
Top PV module manufacturers by shipment volume in 2022
TrendForce has ranked the top six module manufacturers by shipment volume in 2022, with Longi topping the list, followed by Trina Solar and JinkoSolar. JA Solar, Canadian Solar, and Risen Energy rounded out the top six, in a year dominated by large-format modules.
KAUST claims 33.2% efficiency for perovskite/silicon tandem solar cell
The European Solar Test Installation (ESTI) has confirmed the results of King Abdullah University of Science and Technology’s (KAUST) new perovskite/silicon tandem solar cell. KAUST researchers claim the tech is a step forward from other perovskite-silicon cells they have developed.
Viessmann adds Wallbox to PV-battery-heat pump package
Viessmann’s new sub-distribution system links various components and connects them to the power grid. Its Wallbox has a charging capacity of 11 kW (three-phase) and is equipped with a 7.5-meter “Type 2” charging cable.
Latest French PV tenders show clear upward price trend
The French authorities selected 16 projects (58 MW) in the third round of rooftop PV tenders, at an average final price of €104 ($114.30)/MWh, up 15% from the September 2022 tender. The authorities selected seven ground-mounted projects, or 115 MW of capacity, at an average price of €82.2/MWh, up 20% from the last tender.
