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Technology and R&D

Scientists investigate potential of diatomite as a raw material for solar cells

A German-Algerian research team has been investigating ways to produce silicon from diatomite, a fossil material containing amorphous silicon dioxide. The researchers said that, for potential solar cell applications, it will be crucial to extract silion with a low level of impurities.

Switzerland authorizes removable PV plant on railway track

Swiss startup Sun-ways is planning to build a 18 kW pilot PV system between the racks of a 100-m linear section of a railway line in the Swiss canton of Neuchâtel.

Volue unveils intraday trading solution for wind, solar

Norway’s Volue has launched an automated trading tool for solar and wind operators covering most European power markets . The Volue Position Closer is a subscription-based tool targeted at renewable energy producers, portfolio managers, and municipal utilities.

Jakson Solar launches 630 W bifacial TOPCon PV modules

Jakson Solar’s Helia NXT R series PV modules utilize rectangular 16-busbar n-type TOPCon cells and have an efficiency of up to 23.34%.

Reliance introduces bifacial heterojunction solar modules

The India-based module producer said its new panels have a power conversion efficiency of up to 23.1% and a temperature coefficient of -0.24% per C.

CleanCo pilots 1.5 MW sodium sulphur battery

Australian electricity generator CleanCo is piloting Australia’s largest grid-connected sodium sulphur battery at the Swanbank Clean Energy Hub project, 45 kilometres southwest of Brisbane.

Average U.S. residential solar project breaks even at 7.5 years, said EnergySage

A report from marketplace operator EnergySage noted that average system costs are declining, and payback periods are improving. It highlighted a recent market share capture from Tesla in the inverter and energy storage market.

Panasonic, Innova developing PV-compatible multi-source heat pump combined with PCM

The novel heat pump concept should enable ready-to-use energy storage even in already existing installations. It features capabilities that easily detect self-consumption of PV energy, maximizing the amount of energy that can be produced and consumed on-site

Electric mine-site graders to be powered by Fortescue Zero battery system

Canadian-headquartered underground heavy vehicle manufacturer MacLean, will deliver 30 electric powered graders to Australian resources giant Fortescue’s Western Australian mining operations toward a shared goal of Real Zero emissions by 2040.

Perovskite solar module achieves 21.44% efficiency via new passivation tech

Researchers have developed a novel passivation process for formamidinium lead iodide perovskite films, which reportedly resulted in solar cells with 23.69% power conversion efficiency, and modules with 21.44% certified efficiency. After 1000 hours, the hetero-polytypic passivated devices maintained 92% of their initial efficiency, outperforming untreated devices.

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