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Eritrea to build first utility-scale solar plant

The African Development Fund is helping the Eritrean government to deploy a 30 MW solar facility in Dekemhare, Eritrea. It has launched a tender to seek consultants for the project.

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Passive solar module cooling tech based on paraffin wax

Egyptian researchers have used paraffin wax as a phase-change material (PCM) to reduce the operating temperatures of PV modules. They have found that the material improves power yield by more than 15%, compared to a reference module without cooling.

Storing renewables via regenerative braking in underground mines

Scientists in Austria have developed a long-term energy storage system that uses regenerative braking to adjust the descent speed of sand in mine shafts and generate electricity.

Grid congestion continues to increase in Netherlands

Solar project developers see fewer opportunities to build PV facilities in the northern Netherlands, as grid bottlenecks are becoming worse.

Key takeaways from Abu Dhabi’s World Future Energy Summit

The World Future Energy Summit showed that Middle Eastern solar markets are still driven by utility-scale PV, although the C&I sector shows signs of growth. Saudi Arabia, Egypt and the United Arab Emirates are the most promising markets for big solar projects, with huge pipelines under development, while Lebanon and Yemen show promise due to chronic energy shortages.

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South Africa’s pipeline of unsubsidized PV projects hits 9 GW

The South African government has provided figures on “embedded generation projects” that are currently under development in the country. It also revealed that it will soon launch a tender for big storage projects.

Assessing vibrations in solar modules due to robot cleaning

Qatari researchers have looked at the degree to which cleaning robots could threaten the physical integrity of solar panels. They found that cleaning machines have a very minimal impact and that modules of similar sizes tend to exhibit roughly the same amount of vibration.

Spray passivation to reduce losses in TOPCon, HJT cell-to-module process

Chinese researchers have developed a new passivation technique for shingled solar panels based on tunnel oxide passivated contacts (TOPCon) or heterojunction (HJT) tech. It reduces recombination losses in the cell-to-module process and reportedly increases open-circuit voltage, fill factor, and efficiency.

Water jet tech to recover glass from end-of-life solar panels

Japan’s Shintora Kosan has developed a novel water jet technology to recover glass from end-of-life PV modules. It says it can pulverize the solar cells and the backsheets without damaging the glass.

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Bisol unveils 21.5%-efficient M10 full-black solar panels for residential use

Bisol’s new products feature a temperature coefficient of -0.34% per degree Celsius and a power rating of 400 W to 420 W. The Slovenian PV module manufacturer said it used M10 wafers for the first time.

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