Light for its output, no clear weak spot
The HiHero+ Bifacial HJT series is a breakthrough solution based on heterojunction technology (HJT), which sets new efficiency standards in the Polish photovoltaics sector. By combining the advantages of crystalline silicon and thin-film technology, these panels eliminate typical energy losses, offering the highest operational stability in all weather conditions. The use of N-type cells makes the modules almost completely resistant to light-induced degradation phenomena, which guarantees above-average long-term durability and real profits after many years of operation. The bifacial design allows for additional energy generation from reflected radiation, which, combined with an exceptionally low temperature coefficient, ensures that the installation maintains high efficiency even on hot summer days. It is an ideal choice for investors requiring maximum yield from limited roof space and for modern ground-mounted farms focusing on innovation. They are distinguished from the competition by unique cell symmetry that minimizes the risk of micro-cracks and maximization of yields in low light, making them exceptionally effective at our latitude. By choosing this solution, the investor receives a premium-class product that effectively solves the problem of power drop at high temperatures, ensuring the highest level of energy security.
Ranking
Signals from the data
Utility-scale, commercial and hot-climate.
Top 21% of the HJT 600-650 W segment, against a median of 54.7.
Top 25% of the HJT 600-650 W segment, against a median of 226.0.
The top-tier HiHero+ variant achieves 23.9% efficiency, clearly outperforming direct competitors: Runergy HY-DH156N8 (23.1%), Tongwei TWMND (23.1%), and BYD HALO (22.79%). On an identical roof area, this translates into meaningfully higher annual energy yield without increasing the module count.
The datasheet-confirmed Pmax temperature coefficient of -0.24%/°C is among the lowest available in commercial bifacial modules as of 2025 (standard PERC: approx. -0.35%/°C; TOPCon: approx. -0.30%/°C). In Poland's climate, where module temperatures regularly exceed 60°C in summer, this advantage translates into several percentage points of additional yield compared to PERC technology at peak season.
The manufacturer rates bifaciality at up to 90%, whereas typical standard-class bifacial modules achieve 70-75%. On ground-mounted systems with high-albedo surfaces (gravel, light-colored membranes), this results in a significant, measurable increase in rear-side power generation.
Heterojunction (HJT) cells are inherently immune to light-induced degradation (LID) and boron-oxygen light-induced degradation (BOILD), which in PERC technology cause a permanent power loss of 1-3%. First-year degradation is ≤0.35%/year, and the 30-year linear power warranty is made possible precisely by this long-term stability.
Canadian Solar is listed on the BNEF Tier 1 index (Q1 2026) with an annual production capacity of 61,000 MWp, placing it among the top global manufacturers. Tier 1 status is a prerequisite for project finance on utility-scale PV installations above 1 MW - specifying these modules introduces no bankability risk.
The HiHero+ series carries a 15-year product warranty covering manufacturing defects, seals, and frames, whereas many premium Tier-1 N-type modules - including BYD, Jinko Neo, and JA DeepBlue 4.0 - offer a standard 25-year product warranty. This gap is particularly relevant for projects with long financing horizons or insurance requirements that mandate a minimum product warranty period.
- At 23.1% efficiency, this panel is on par with typical HJT 600-650W modules
- At 231.4 W/m² power density, this panel generates 5.4 W/m² more per unit area than HJT 600-650W median (226.0 W/m²)
- Temperature coefficient of -0.24%/°C matches the HJT 600-650W median
- 90% bifaciality enables rear-side power generation, boosting yield by 4-14% on reflective surfaces
- #1617 for efficiency, #13 for temperature performance out of 14129 panels
Specifications
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.
Found 1144 panels of the same or similar size to this one, within ±10 mm. See them here Found 1150 panels of the same or similar size to this one, within ±25 mm. See them here Found 1261 panels of the same or similar size to this one, within ±50 mm. See them here Found 1942 panels of the same or similar size to this one, within ±100 mm. See them here
About the HiHero+ Bifacial HJT series
These answers cover the whole series. Where a figure differs, the specification above is this module's own.