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Solliance hits 29.2% efficiency on perovskite/silicon tandem solar cell

The Solliance consortium has built a solar cell in a four-terminal tandem configuration that combines a 17.8%-efficient highly near-infrared transparent perovskite cell with a prototype of an 11.4%-efficient c-Si interdigitated back contact silicon heterojunction cell developed by Panasonic.

China power crisis hits Indian solar projects

After the ravages of Covid-19, electricity shortages in China have now raised costs for its solar manufacturers, with knock-on effects for developers in India too, again highlighting the dangers of relying on a single solar supply chain.


Investors bet big on renewables while solar takes on coal

Foreign direct investment’s role in bringing in finance, superior technology and other resources is undoubtedly a critical one. The Indian government has tried to create a conducive environment for enabling flow of foreign investments into the solar energy sector in the country, but the norms need to be eased further to really push the industry to its maximum growth potential.

New tech to recover pure silicon from end-of-life solar cells

An Indian research group has used three different chemicals instead of commonly used hydrofluoric acid to separate silicon from the cell. The technique is claimed to be able to deliver recycled silicon with a purity of up to 99.9984%.

Sunman unveils 430 W glass free solar module

The new product has a power conversion efficiency of up to 19.3% and a weight of 11.2 kg. The module is produced with glass fiber reinforced plastic, which the manufacturer says reduces light reflection and opens up new assembly options.

Module and shipping cost inflation could cost the world 50 GW of solar next year

The input costs of the two biggest contributors to solar plant development expense have gone through the roof since the world began to come out of Covid-19 lockdowns, to leave project developers with some difficult choices.

Tender launched for 50 GWh battery cell output with subsidy support

Global bids are invited to set up giga-scale advanced-chemistry battery cell manufacturing units in India under the government’s production-linked incentive scheme. To be eligible for the government subsidy, the bidder would have to commit to setting up a minimum of 5 GWh capacity. Bidding is open until December 31.


SolarEdge launches residential battery and inverter

The DC-coupled battery has 94.5% round-trip efficiency and the inverter offers up to 11.4 kW power and 10.3 kW backup power.

Jindal India Solar, Shirdi Sai, Reliance and Adani the lowest bidders in production-linked solar tender

The four companies will each have half of their planned 4 GW annual production of polysilicon-to-module output subsidized by public funds.


The long read: PV backsheets – replace or repair?

Backsheet chalking, especially of polyamide backsheet films, doesn’t take long to lead to cracks and then safety shutdowns. Sometimes, though, the period may be much longer or shorter than expected. Assessing the risk and whether on-site repairs offer a long-term solution is currently a topic of strong debate within the PV industry, as Cornelia Lichner from the pv magazine Germany team reports.

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