China — LONGi Green Energy Technology unveiled the upgraded Hi-MO 9 module powered by its HPBC 2.0 technology in Anhui, China.
The latest iteration achieves a 24.8% conversion efficiency and a maximum power output of 670W, outperforming mainstream TOPCon modules by 40W in mass production.
The newly upgraded Hi-MO 9 module is engineered with LONGi’s proprietary HPBC 2.0 technology. By integrating innovative 0BB (0 Busbar) technology and full-area passivation (half-cell architecture), LONGi boosts the module power by 10W, reaching a peak of 670W，with an efficiency of up to 24.8%.
The optimized rear-side grid design enabled by 0BB (0 Busbar) technology elevates bifaciality to over 80%, significantly enhancing overall energy yield. Compared to TOPCon modules, Hi-MO 9 delivers a 1.5% absolute efficiency gain, increases installed capacity by approximately 6.4% under equivalent land area, and reduces upfront investment costs of photovoltaic power plant.
Beyond standard conditions, Hi-MO 9 demonstrates exceptional resilience in challenging environments such as partial shading, high-temperature/high-humidity regions, and low-light scenarios. Over the past year, multiple field demonstration projects have revealed the Hi-MO 9 module’s energy generation capabilities across varied environments.
In Hainan, China’s high-temperature, high-humidity environment, LONGi’s Hi-MO 9 module delivers a 1.89% per-watt energy yield advantage over conventional TOPCon modules. In arid Riyadh, Saudi Arabia, the gain reaches 1.62%. Data from additional BC power plants further confirm the exceptional power generation capabilities of the HPBC 2.0-powered Hi-MO 9 module.
At the launch event, LONGi announced a:
- 27.81% Conversion Efficiency for its self-developed HIBC (Heterojunction Interdigitated Back Contact) silicon solar cells, certified through rigorous calibration tests by Germany’s ISFH (Institute for Solar Energy Research Hamelin).
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