TECHNOLOGY AND R&D

Inverter Startup Delays: A 1.88% Drain on Solar Plant Revenue

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Delayed Inverter Startup Can Reduce a Solar Plant’s Annual Energy Yield by 1.88% When solar asset owners think about performance losses, the usual suspects come to mind: soiling, module degradation, shading, and inverter downtime. But there is a quieter, more insidious source of lost energy that often goes unnoticed — delayed inverter startup after sunrise. Brazilian

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Grid-Forming Technology Takes Centre Stage as Search for System Resilience Steps Up

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Electricity grids have historically relied on the inertia of heavy spinning turbines in coal, gas, nuclear, and hydro plants to maintain frequency stability. But as we replace synchronous generators with solar and wind, that inertia disappears. Without action, a grid dominated by renewables risks becoming unstable. Initial UK studies from 2012 showed that if non‑synchronous generation exceeds

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Solar panels reduce thermal stress in dairy barns during critical afternoon hours

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A research team from China has investigated whether rooftop PV systems can help mitigate heat stress in dairy barns. “This research provides quantified evidence to support advisory and decision-making processes for farm managers, agricultural policymakers, and PV integrators,” the researchers said in a statement. “By demonstrating that rooftop photovoltaic systems serve a dual purpose—generating clean

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TOPCon Solar Cell Hits 26.66% Record: What It Means for Industrial PV Efficiency

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The solar industry’s pursuit of higher efficiency has reached another milestone. JinkoSolar, in collaboration with researchers from the Ningbo Institute of Materials Technology and Engineering (NIMTE) and multiple Chinese universities, has achieved a 26.66% power conversion efficiency for an industrial-scale TOPCon solar cell based on an M10-size wafer . This is not just another laboratory

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Battery management systems key to deploying batteries in data centers

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Powering data centers with renewable energy and storage presents a range of technical and economic challenges that independent power producers, EPC contractors, and investors have only recently begun to address. In this context, large-scale batteries are expected to play a key role, supplying the active power needed during demand spikes and coordinating energy flows between generation, storage,

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How to build giant solar plants in mountainous areas

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Researchers from the Chinese energy company Yunnan Longyuan New Energy have proposed a new methodology for the designing of utility-scale PV plants in hilly or mountainous regions. In particular, they conducted a simulation study of a south-oriented mountain PV farm located in the southern Chinese city of Pu’er, in the Yunnan province. High-resolution digital elevation

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Longi reveals details of 27.09%-efficient heterojunction back contact solar cell

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A group of scientists from Chinese solar module maker Longi has described in a new scientific paper the 27.09%-efficient heterojunction back contact (HBC) solar cell it unveiled in December 2023. At the time, Longi only said the result was enabled through a new laser graphical process that costs less than conventional high-cost photolithography processes, without providing further

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JinkoSolar, Trina say TOPCon modules outperform p-type back-contact panels

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Chinese solar module manufacturers JinkoSolar and Trina Solar have each published white papers this week that demonstrate their TOPCon panel technologies offer superior power yield compared to back-contact (BC) module technologies. In its case study, JinkoSolar explained that testing took place at its facility in Kagoshima, Japan, from Sept. 12 to Oct. 11, with the results confirmed by Germany’s

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Longi, ANU develop gettering-based process to improve n-type wafer quality

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Researchers from Australian National University and Chinese PV module manufacturer Longi investigated the wafer quality of n-type industrial ingots made via the Recharged Czochralski (RCz) process, applying two defect mitigation strategies – Tabula Rasa (TR) and phosphorus diffusion gettering (PDG) – to further improve the bulk lifetimes. TR is commonly used to dissolve any oxygen clusters or precipitates in Cz ingots,

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