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The effects of wind on single-axis PV trackers

Scientists in South Africa have conducted full-scale research on the effect of wind load on PV panel mounting rails for more than 100 days. Compared to standard design codes, they found lower combined wind load coefficients. Maximum loads occurred for an easterly wind direction.

Deep learning tech detects snow coverage on PV systems, calculates energy loss

Conceived by researchers in Canada, the novel method combines image processing and deep learning techniques to locate the areas of the solar panels covered with snow. It reportedly performed better than three other popular image processing-based segmentation methods.

New coating prevents plant growth on underwater solar cells

The US Navy has funded Danish research on preventing biofouling while maintaining visible light transmission on underwater solar cells. The top solution uses ultra-low concentrations of nano-sized, seawater-soluble pigments. Power generation stayed close to 100% after 13 weeks underwater.

New process to recover silver from end-of-life solar cells achieves 98% efficiency

Scientists have used hydrometallurgical and electrochemical processes to recover pure silver from solar cells. The proposed technique also utilizes a method known as electrodeposition-redox replacement, which reportedly increases the silver recovery rate.

Novel blockchain-based virtual utility for P2P PV trading

Researchers from Canada’s Western University have developed an open-source, blockchain-based virtual utility for peer-to-peer (P2P) solar trading, using smart contracts to save up to $1,600 (US dollars) for 10 homes in simulated scenarios.

The impact of semi-transparent solar modules on agrivoltaics yield

Researchers have conducted a field study across two growing seasons, growing different kinds of vegetables under three types of modules with 40%, 5%, and 0% transparency. Their work is the first replicated research experiment that evaluates module transparency in an irrigated vegetable field setting.

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Novel bifacial flexible PV cell offers 27% efficiency

Scientists have simulated dozens of electron transport layer-free cell structures and have identified the optimal design with a Zr:In2O3 front transparent electrode, a CuSCN hole transport layer, and a NAN rear transparent electrode. They have also optimized its thickness and bandgap.

PV module cooling tech based on single-channel containing nanofluids

Scientists in Mexico have conceived a new solar module cooling tech that can reportedly improve PV power generation by up to 2%. The system uses nanofluids embedded in an aluminum single-channel attached to the back of the panel.

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Agrivoltaics for corn

Researchers have created a novel model that can help developers asses corn growth in agrivoltaic facilities. They also proposed to use spatiotemporal shadow distribution (SSD) to optimize crop yield and power production.

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New bidding strategy for PV asset owners operating in spot market

Conceived by an international research team, the new bidding strategy applies to the day-after and the intraday markets. It uses a technique that transforms results from probabilistic models into actual scenarios. Their method showed its ability to yield increased revenues and reduced imbalance.

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