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Evaluating profitability of vanadium flow batteries

Researchers in Italy have estimated the profitability of future vanadium redox flow batteries based on real device and market parameters and found that market evolutions are heading to much more competitive systems, with capital costs down to $430/kWh at a storage duration of 10 hours.

Survey finds after-sale support key to boosting off-grid solar

A new survey from US-based impact measurement company 60 Decibels shows off-grid energy customers are currently facing a series of challenges such as product affordability, gender inequality, customer support, further investment in minigrids, and over-indebtedness. The report, however, reveals that most users say the quality of their lives “very much improved” thanks to off-grid PV.

CSIRO achieves record efficiency for roll-to-roll perovskite photovoltaic cells

The new efficiency record for fully roll-to-roll printed perovskite solar cells set by an international team of scientists from Australia’s national science agency, CSIRO unlocks new manufacturing potential. These lightweight and flexible solar cells manufactured on very long, continuous rolls of plastic can dramatically increase the rate of production and scope for deployment.

New tool to calculate efficient earthworks for ground-mounted PV

A unit of French construction group Vinci has developed a new tool to ensure efficient earthworks for ground-mounted PV systems, with a focus on optimization parameters, design restrictions, allowable slopes for mounting structures, and terrain adaptation.

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Weekend read: Thin prospects

The production of PV ingots and wafers remains the most highly concentrated of all the production stages in the silicon solar supply chain. Yet efforts to re-establish production in Europe and the United States are not for the faint-hearted.

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Sunova announces 9 GW cell factory in China

Sunova Solar’s new cell manufacturing facility produces 182 mm, 199 mm and 210 mm TOPCon cells. At full capacity, the facility is expected to produce approximately 36,000 high-efficiency modules per day.

Longi develops flexible heterojunction solar cell with 26.06% efficiency

Researchers from Western Australia’s Curtin University and Chinese module manufacturer Longi were part of an international team seeking silicon material savings and efficiency gains in the development of heterojunction PV devices. The cell achieved a certified power conversion efficiency of 26.06% with a thickness of 57 μm, with Germany’s Institute for Solar Energy Research confirming the result.

Shining a light on module quality

With solar panel prices tumbling, project developers will need to be vigilant about quality. Comprehensive product testing could be a vital safeguard as PV manufacturers struggle to retain their margins, according to Everoze’s Martin Laing and Gauthier Dambrine.

Trina Storage releases 4.07 MWh energy storage system

Trina Storage has developed a 4.07 MWh energy storage system featuring its in-house 306 Ah lithium iron phosphate battery cells, configured with 10 racks of four battery packs.

A cell maker’s survival guide

With solar production capacity expansion plans paused, bigger cell makers will weather the storm through a revised approach to new panel technologies. InfoLink’s Alan Tu says that low profits could also drive innovation and cost savings, pushing the industry to new heights.

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