Efficiency leader, no clear weak spot
The AIKO Comet 3N+72e (AIKO-A-MAE72Dw) is a bifacial double-junction module designed for maximum energy yield on limited surfaces and stable performance in both rooftop and ground-mounted installations. Central to its design is the N-type All Back Contact (ABC) technology-the absence of front busbars improves light utilization, while its aesthetics and uniform surface go hand-in-hand with higher operational efficiency during daylight hours.
In practice, the Comet 3N+72e handles typical installation challenges better: optimized performance under partial shading minimizes losses from dirt, leaves, or shadowing from roof elements, and excellent performance at high temperatures helps maintain yield during summer months. The application of dual-glass construction enhances durability in demanding environments and improves operational safety, which is crucial for commercial projects.
This is an excellent choice for C&I installations, solar farms, and projects prioritizing fast ROI, high power density, and predictable energy production-especially in locations where competitive modules suffer more from shading and intense heat.
Ranking
Signals from the data
Commercial, utility-scale, hot-climate and shaded-installations.
Top 22% of the Back Contact 600-650 W segment, against a median of 23.70%.
Top 22% of the Back Contact 600-650 W segment, against a median of 236.9.
The series achieves an efficiency of 24–25%, while direct competitors in this power class are noticeably behind: BYD HALO 22.79%, Runergy HY-DH156N8 23.1%, Canadian Solar HiHero+ 23.9%. A difference of 1–2 percentage points in efficiency translates to a real increase of 4–9% in energy production from the same roof area or ground space.
The absence of front-side contacts (All Back Contact, 0BB) eliminates shadowing of the cell by metallic grids, ensuring complete light absorption across the entire front surface. The temperature coefficient is only -0.26%/°C, which, at typical module operating temperatures of 60°C, results in a loss of approximately 8% instead of the ~11% in standard PERC modules (-0.35%/°C).
AIKO guarantees ≥88.85% of its rated capacity after 30 years, with a degradation rate of 0.35%/year (after 1 year). For a 1 MWp C&I project, this translates to predictable and modelable revenue throughout the financing period, which directly improves the bankability of the project.
Using double glazing instead of a rear film eliminates the risk of PID degradation, reduces moisture permeability, and extends mechanical resistance to snow and wind loads. This is particularly important in industrial and PV installations, where the operating cycle exceeds 25 years.
AIKO has consistently held the top position in the TaiyangNews module efficiency ranking for over 34 months (as of 2025) and is listed in the BNEF Tier-1 Bankable Manufacturers, which directly facilitates project financing by banks and infrastructure funds.
Despite using two glass modules (dual-glass), the module is monofacial (is_bifacial: false), meaning it does not generate additional power from reflected light from the ground. The direct competitor – Canadian Solar HiHero+ Bifacial HJT (645 Wp, 23.9%) – offers bifaciality and can increase energy yield by 5–20% in ground-mounted systems with a reflective surface. For ground-mounted farms, the lack of bifaciality represents a real economic loss.
The product warranty is 15 years, while some premium manufacturers (e.g., REC Group, certain lines from Canadian Solar) offer 25 years. For projects with a 20+ year financing horizon, a shorter product warranty can be a negotiating point for institutional investors or insurers.
- Efficiency of 24.0% matches the Back Contact 600-650W median
- 240.0 W/m² power density - 3.1 W/m² more than Back Contact 600-650W median (236.9 W/m²), more power per roof area
- Temperature coefficient of -0.26%/°C matches the Back Contact 600-650W median
- #303 for efficiency, #511 for temperature performance out of 14005 panels
Specifications
Datasheet charts
Measured curves published by AIKO in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 620 Wp appear here. The rest cover the whole series.
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
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