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IRENA releases all-Africa dataset of locations for solar, wind

The International Renewable Energy Agency (IRENA) has published a dataset with 10,905 sites for PV deployment across Africa, with an estimated total capacity of 4.9 TW.

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Vertical agrivoltaics for high snow loads

Luxor Solar has developed a south-oriented system for high snow loads in Japan. It features its own heterojunction solar modules, along with mounting systems from Germany’s Next2Sun and inverters from Japan’s Omron.

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Solar cell efficiencies at a glance – updated

A research group led by Professor Martin Green has published Version 61 of the solar cell efficiency tables. The tables include a world record for a silicon heterojunction cell, announced by Longi earlier this week, as well as five more new results.

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Lithium-vanadium battery for renewables storage

AMG Advanced Metallurgical Group has energized its first hybrid storage system based on lithium-ion batteries and vanadium redox flow batteries in Germany. The system reportedly combines the advantages and electrochemical properties of both storage technologies.

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Microwave heating for glass separation in end-of-life solar modules

Scientists in Thailand have used microwaves to separate broken glass from PV panels. The process can be performed at temperatures ranging from 45 C to 55 C.

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Toshiba, Marubeni launch rock-based thermal energy storage tech pilot

Toshiba and Marubeni have revealed plans to build commercial projects based on thermal storage technology using rocks. They have set up a demonstrator with 100 kWh of storage capacity and a relatively high heat storage density.

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Non-linear degradation curves affecting solar project profitability

Italian scientists have looked at how non-linear degradation curves could affect the profitability of large-scale solar projects. They found that full substitution of the modules after 10 years could be justified if the performance loss rate was higher than 1% per year.

Sunova Solar releases 575 W n-type PV panel with 22.2% efficiency

Sunova Solar is offering five versions of its new solar panels, with power outputs from 555 W to 575 W and efficiencies ranging from 21.4% to 22.2%. They have a temperature coefficient of -0.31% per degree Celsius.

Turkey introduces new rules for energy storage

The Turkish government has published long-awaited rules for energy storage in its official journal. Local solar association Günder said the first projects will be approved in the middle of 2023.

Longi claims world’s highest efficiency for silicon solar cells

Longi said it has achieved a 26.81% efficiency rating for an unspecified heterojunction solar cell, as confirmed by Germany’s Institute for Solar Energy Research Hamelin (ISFH).

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