Introducing the LONGi Hi-MO 7 Series: High-Efficiency Solar for the Next Generation
As solar technology continues to evolve, LONGi remains at the forefront—delivering innovation that balances high efficiency, scalability, and real-world performance. Their latest advancement, the Hi-MO 7 series, sets a new benchmark for commercial and utility-scale solar projects looking to maximise output from every square metre.
With cutting-edge HPDC (Hybrid Passivated Dual-Junction Cell) technology, the Hi-MO 7 panels are engineered for peak efficiency, reduced degradation, and long-term reliability—especially in high-temperature or space-constrained environments.
⚙️ LONGi Hi-MO 7 – Key Features at a Glance
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Efficiency: Up to 22.5%
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Power Output: 570W to 610W+ (depending on variant)
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Cell Technology: HPDC (Hybrid Passivated Dual-Junction Cell) – an advanced form of TOPCon
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Module Type: Monofacial & bifacial options available
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Size: Large-format (210mm wafers), half-cell design
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Degradation: <0.4% annual degradation rate
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Temperature Coefficient: ~ -0.29% / °C
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Certifications: IEC61215/IEC61730, ISO, UL
🔬 What is HPDC Technology?
HPDC is LONGi’s proprietary advancement of n-type TOPCon technology, combining high passivation quality and low contact resistance to maximise charge collection. The result?
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Better low-light performance
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Higher bifaciality (in bifacial variants)
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Lower LCOE (Levelized Cost of Electricity)
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Increased energy yield over time
It’s especially effective in hot climates, large-scale installations, or where land use is limited and every watt matters.
🏗️ Designed for Commercial, Industrial & Utility-Scale
The Hi-MO 7 series is purpose-built for professional-grade deployments:
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Utility-scale solar farms
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Large commercial rooftops
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Ground-mounted systems with trackers
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Floating PV systems
Its high power density and low BOS (Balance of System) cost make it ideal where ROI and output are critical.
♻️ Long-Term Reliability & Warranty
LONGi backs the Hi-MO 7 with a 12-year product warranty and 30-year performance warranty (for bifacial models), ensuring peace of mind for the long haul. With <1% degradation in the first year and <0.4% annually thereafter, the Hi-MO 7 is built to perform for decades.
🆚 How Does It Compare?
| Feature | Hi-MO 7 | Previous Gen (Hi-MO 5) |
|---|---|---|
| Cell Tech | HPDC / N-type | P-type PERC |
| Max Power Output | 610W+ | ~550W |
| Bifaciality (where used) | Up to 85% | ~70–75% |
| Temperature Coefficient | ~ -0.29% /°C | ~ -0.35% /°C |
| LCOE | Lower (better) | Moderate |
🌍 Sustainability + Bankability
As the world’s largest solar manufacturer by shipment volume, LONGi continues to lead on bankability, product quality, and supply chain reliability. The Hi-MO 7 range is manufactured in Tier 1 facilities, with environmental stewardship and traceability as part of the offering—helping EPCs and developers meet ESG goals.
🚀 Final Thoughts
The Hi-MO 7 is not just another module upgrade—it’s a leap forward in energy density and efficiency. Whether you're a developer planning a utility-scale PV site or a commercial property looking to cut energy costs and emissions, the LONGi Hi-MO 7 delivers the performance, reliability, and future-proofing your project demands.
Need help integrating Hi-MO 7 into your next solar project?
Our technical team can provide sizing support, system design, and ROI analysis. Get in touch today for a quote or a tailored consultation.