LONGi’s Back-Contact (BC) technology is setting new benchmarks in solar efficiency, with recent advancements pushing cell efficiency to a record 27.81% and module efficiency for its Hi-MO 9 series to 24.8%. This leap forward significantly enhances the performance and adaptability of PV systems, particularly in challenging desert environments like the Kubuqi Desert. BC module technology, featuring back-contact cells and advanced interconnection, optimizes energy absorption and generation, making it the premier choice for solar projects in the world’s most demanding climates.
BC Modules: Featuring LONGi BC technology for Advancing Solar Energy Efficiency
BC modules utilize back-contact cells, an innovative design that moves all front-side electrodes to the rear of the cell. This seemingly simple change has a profound impact: by removing the metal grid lines that typically shade the front surface, the cell can absorb significantly more sunlight, boosting energy generation. This design minimizes resistive losses and enhances overall efficiency, a critical factor for large-scale solar projects in arid regions. The entire basics of solar panel manufacturing must be re-engineered to accommodate this advanced architecture, which is designed to maximize power generation and optimize solar energy absorption, especially in areas with high temperatures and intense sunlight.
LONGi’s BC technology has already proven its immense value in the field. A prime example is the 200 MW solar project in the Kubuqi Desert. This location presents extreme conditions with soaring temperatures and relentless sunlight. Yet, LONGi’s BC modules have demonstrated exceptional resilience and superior efficiency, solidifying their reputation for reliability.
Performance in Extreme Conditions with LONGi BC technology
In the Kubuqi Desert project, the BC modules have consistently maintained high power output under the harshest conditions. This robust performance is a testament to the technology’s superior engineering, designed to handle intense solar radiation and extreme heat. A key advantage is the technology’s remarkably low temperature coefficient of -0.26%/°C, which means the modules lose far less efficiency as temperatures rise compared to conventional panels.
This high efficiency directly contributes to the stability of solar power generation in the desert. Field data from a test site in Inner Mongolia revealed that LONGi’s Hi-MO 9 modules generated 2.45% more energy per kilowatt than mainstream TOPCon modules. This stability is essential for ensuring that a solar farm can deliver consistent, reliable energy, even when ambient temperatures exceed 40 degrees Celsius. The technology’s ability to withstand extreme heat without significant performance degradation is a game-changer for desert-based solar energy.
Impact on Solar Projects in Desert Environments using LONGi BC technology
The success of LONGi’s BC technology in the Kubuqi Desert marks a significant milestone for the global solar industry, proving that clean energy can be harnessed effectively even in the most unforgiving environments. The high efficiency and stability of BC modules make them an ideal choice for large-scale solar projects in arid regions, leading to a reduction in the levelized cost of electricity (LCOE) by 3-4.5%.
This success is not an isolated case. The adoption of this technology is expanding globally, with LONGi set to supply 1.1 GW of its Hi-MO 9 BC modules for the massive 1.5 GW PV4 Hazza 1 project in Abu Dhabi. This trend is visible across the region, from the Saudi Arabia solar irrigation project to impressive solar projects in Sudan that leverage high-efficiency modules to perform in challenging climates. These initiatives, along with breakthroughs like the 6.5 MW Yemen solar project, demonstrate a growing reliance on advanced solar solutions to build energy security.
The intricate solar panel manufacturing process behind these modules is key to their performance. By developing technologies that thrive in extreme conditions, LONGi is ensuring that solar energy can be a reliable and sustainable power source for the future, fostering energy independence in areas where traditional power sources are scarce.
The advancements in LONGi’s BC technology have set a new standard for the industry. The record-breaking efficiency is a clear indicator of the technology’s potential. With its proven performance from the Kubuqi Desert to Abu Dhabi, LONGi’s BC technology is poised to play a pivotal role in the global expansion of solar energy. The future of solar power in desert regions looks brighter than ever, thanks to these innovative solutions.
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