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Technology and R&D

PV windows cut energy use by 40% in glazed buildings, says NREL

The US National Renewable Energy Laboratory (NREL) has shown that perovskite-based thin-film PV, transparent PV, and dynamic PV glazing technologies can reduce the energy use of glazed buildings by around 40% across eight regions in the United States.

Hevel Solar unveils 450 W heterojunction solar panel with M6 cells

Russia’s Hevel Solar said its new modules are based on 166 mm x 166 mm half-cut cells. They reportedly have a bifaciality factor of 90% and a temperature coefficient of -0.26% per degree Celsius.

Perovskites and microgrooves can revolutionize solar

Ambitious targets for solar energy generation present challenges to an industry keen to explore new avenues for solar production. Neil Spann, chief executive of UK thin film solar manufacturer Power Roll, describes a commercial solution to the problems of over reliance on silicon solar modules.

Amara Raja to set up 16 GWh lithium battery cell fab in Telangana

The automotive battery major will invest INR 9,500 crore over the next ten years to set up a 16 GWh lithium cell factory, 5 GWh battery pack assembly unit, and research and innovation center in Telangana.

PV shade screens for greenhouses, agrivoltaics

A Saudi Arabian startup has developed a modular solar panel for agrivoltaic applications. It is specifically designed for locations with high solar radiation levels and protects plants and crops from excess sunlight.

Scottish startup to begin gravity energy storage pilot in India

UK-based Gravitricity will begin with pilot demonstration of its gravity energy storage systems in India as it eyes broader deployment in the long term.   

Scientists make first attempt to design solar cells based on kusachite

Indian scientists have designed a thin-film solar cell that uses a mineral made of binary copper(II) and bismuth(III) oxide. They identified a cell design with a tin sulfide buffer layer that offers efficiencies close to 27.7%.

Qcells, European consortium launch production line for tandem silicon-perovskite solar cells

South Korea-based Qcells and a research group led by Helmholtz-Zentrum Berlin (HZB) have established a pilot manufacturing line for silicon-perovskite tandem cells in Thalheim, Germany. The project aims to speed up the technology’s mass manufacturing and market penetration.

Floating PV for water pumping, desalination

An irrigation community has built a 786 kW floating solar array on a small water reservoir in Murcia, Spain. The facility will provide power for a solar water pumping system, a desalination unit, and the community itself.

NREL updates interactive chart of solar cell efficiency

The US National Renewable Energy Laboratory (NREL) has released a new, interactive version of its research cell efficiency chart for a range of PV technologies.

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