The Chinese solar manufacturer Huasun Energy has unveiled a cutting-edge heterojunction (HJT) solar module that’s poised to shake up utility-scale solar power projects worldwide. The new panel delivers up to 770 watts of power and operates at a system voltage of 2,000 volts, marking a significant leap beyond the typical 1,500 V standard.
What Makes the New HJT Module Stand Out
High power output & efficiency: The module — part of Huasun’s “Himalaya” series — is offered in variants ranging from 730 W to 770 W, with conversion efficiencies between 23.5% and 24.8%.
Advanced cell design: It features a 132-cell, bifacial, double-glass build, measuring approximately 2,384 mm × 1,303 mm × 33 mm and weighing around 36.5 kg.
Innovative structure: Huasun increased the active cell area using a “negative-gap” layout and large-format wafers — pushing module output up by about 20 W over comparable panels.
Enhanced durability & performance under stress: The module uses a proprietary edge-seal process with butyl rubber (without perforation) to improve moisture resistance — crucial for high-voltage operation.
BOS savings and system gains: By supporting 2,000 V system architecture (vs. the standard 1,500 V), the module reduces requirements for cables, combiners, foundations, and land use — cutting balance-of-system costs and improving project economics.
Why This Matters for Utility-Scale & Large Solar Projects
For large solar farms — especially in utility or desert-based settings — the economics of power, land use, and installation costs are critical. Huasun’s new module addresses exactly these pain points:
Higher output per panel means fewer panels are needed to reach desired capacity. That translates to savings on mounting, wiring, and land.
Higher system voltage (2,000 V) lowers current per string, enabling thinner cables and fewer parallel strings — reducing infrastructure complexity and costs.
Improved efficiency and durability make the panels more resilient and likely to deliver stable energy yields over decades, boosting return on investment.
Compatibility with existing manufacturing lines means Huasun can scale production quickly — a big plus for developers needing large quantities for big projects.
Technical Highlights & Specifications
Feature Detail
Power output 730 W – 770 W
Conversion efficiency 23.5% – 24.8%
Cell configuration 132-cell, bifacial, double glass
Dimensions & weight ~2,384 mm × 1,303 mm × 33 mm; 36.5 kg
System voltage 2,000 V DC
Design innovations Negative-gap layout, large wafers, butyl edge-seal, split-cell architecture
Expected BOS savings Lowered cable, foundation, land-use costs — improving project IRR
What This Means for the Future of Solar Deployment
Huasun’s 770 W / 2,000 V HJT module could mark a tipping point for large-scale solar installations:
Solar farms — particularly in sunny, high-insolation regions — may achieve more energy output per land area, making renewables even more competitive.
The shift toward high-voltage, high-power modules could become a new industry standard, driving down per-watt costs and improving returns.
As manufacturing scales, innovations like this may make solar energy more accessible globally, including in emerging markets or regions with tight land constraints.
For developers, investors, and clean-energy planners, the new Huasun module offers a compelling value proposition: high yield, lower costs, and stronger long-term performance.
In short: Huasun’s new solar module isn’t just an incremental upgrade — it represents a major leap forward in solar panel technology. By combining high wattage, high efficiency, and high voltage, the Himalaya HJT series could redefine how large-scale solar projects are built and deployed. As the transition to clean energy accelerates worldwide, innovations like this will likely play a critical role.
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