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HT-SAAE Brand review

HT60-18X(ND)-F-505W

505 Wp TOPCon Bifacial 74%
ComparePV verdict

Middle of its segment, weak in heat

Rank 3,015 of 14,129
Compare panels Datasheet PDF
Power (Wp)
505
Typical for its class
Efficiency (%)
22.80
Typical · median 22.74%
Density (Wp/m²)
228.1
Typical · median 227.4
Temp (%/°C)
-0.310
Weak · bottom 9%
Weight (kg)
27.0
Typical · median 27.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

The HT-SAAE HT60-18X(ND)-F series are panels designed for maximum yield from the same rooftop surface - without compromising aesthetics. The use of N-type TOPCon cells minimizes degradation during operation and helps maintain stable energy production across multiple seasons, which is particularly relevant given rising energy costs and the need for faster investment returns. The half-cut design enhances module performance under partial shading and reduces internal losses, while the refined connection architecture supports uniform operation across the entire active surface.

Bifacial generation variants allow for better utilization of reflected light - especially on light-colored surfaces or ground installations, where additional yield can be achieved without adding more panels. For investors prioritizing aesthetics, the Full Black option is also significant - offering a visually cohesive appearance on modern rooftops.

This is the series for homes, businesses, and projects where high efficiency, predictable energy production, and long-term durability are top priorities.

Ranking

435 panels in the segment TOPCon 500-550 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.80% 22.74% Typical 2,769
Power density 228.1 227.4 Typical 2,810
Temperature coefficient -0.310 -0.290 Weak · bottom 9% 8,069
Weight per kWp 53.5 52.4 Typical 7,478
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 1 caution
Best for

Residential, commercial and shaded-installations.

Not ideal for

Hot climates.

Watch-outs
-0.310 %/°C temperature coefficient

Bottom 9% of the TOPCon 500-550 W segment, against a median of -0.290. Ranked 8,069th in the whole database.

What owners get
Up to 23.3% Efficiency - Best in Class

The peak efficiency of 23.3% surpasses all three reference series: Sunpro TOPCon 210R (23.17%), Huasun Aurora Pro (23.17%), and Canadian Solar TOPBiHiKu6 (22.8%). Even the lower bound of available variants (22.4%) is on par with the strongest peers in the segment.

Low Temperature Coefficient - N-Type Advantage

The N-type TOPCon cells of the HT60-18X(N) series exhibit a Pmax temperature coefficient of -0.31%/°C (confirmed in the ENF Solar datasheet for the related HT60-18X(N) PANDA series), outperforming the PERC standard of -0.35%/°C. This translates into measurably higher energy yield on hot days typical of Central European summers.

30-Year Product and Power Output Warranty

The manufacturer provides a full 30-year warranty covering both product integrity and power output (≥87.4% after 30 years). By comparison, the Canadian Solar TOPBiHiKu6 offers a standard 25-year product warranty. Such an extended warranty horizon materially reduces investment risk and facilitates financing for commercial-scale projects.

Bifacial Design - Additional Yield Without Extra Modules

Bifacial energy generation captures reflected irradiance from the ground surface (typically +5-15%, depending on albedo), meaningfully increasing production in ground-mount installations or on light-colored roofing surfaces - without requiring a larger array footprint.

BNEF Tier-1 Manufacturer with a Long Track Record

HT-SAAE has held Bloomberg NEF Tier-1 (bankable) status for multiple consecutive years, with a manufacturing capacity of approximately 5 GW per year and a vertically integrated supply chain spanning from silicon to finished modules. Founded in 1998, the company has a demonstrated ability to honor long-term warranty commitments - a critical consideration given the 30-year warranty horizon.

Notes from the database
  • Efficiency of 22.8% matches the TOPCon 500-550W median
  • At 228.1 W/m² power density, roof space requirements are typical for TOPCon 500-550W panels
  • At -0.31%/°C, loses 0.02pp more power per degree than TOPCon 500-550W median (-0.29%/°C)
  • Bifaciality factor of 74% can add 4-11% extra yield with reflective mounting surface
  • Ranked #2714 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 505 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.80 % Typical Segment median 22.74%
Vmpp · Impp 36.60 V · 13.81 A Operating point at max power
Voc · Isc 43.50 V · 14.71 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1952×1134×30 mm · 2.21 m² of roof
Weight 27.0 kg Typical Typical · median 27.0 kg
Cells 120 · TOPCon Monocrystalline
Bifaciality 74 % Rear output as a share of front
Coefficient Pmax -0.310 %/°C Weak bottom 9% of its segment
Coefficient Voc · Isc -0.250 · 0.046 %/°C
NOCT 43 °C At 800 W/m², 20 °C ambient
Product warranty 30 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 441 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by HT-SAAE in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 505 Wp appear here. The rest cover the whole series.

30-year Linear Performance Warranty 30-year Linear Performance Warranty Whole series I-V and P-V Curves at Different Irradiance Levels I-V and P-V Curves at Different Irradiance Levels Whole series

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-
With bifacial gain
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.310 %/°C against a segment median of -0.290
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Alternatives

All HT-SAAE panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
HT-SAAE HT60-18X(ND)-F-505W 505 W 22.80% -0.310 27.0 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg Cooler, lighter, +2.2 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg Cooler, lighter, +2.0 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg Cooler, lighter, +1.9 pp
WST-505BKX54-A2 505 W 24.70% -0.260 25.0 kg Cooler, lighter, +1.9 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg +50 W, cooler, +1.8 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg Cooler, lighter, +1.7 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg Cooler, lighter, +1.7 pp
HT60-18X(ND)-F-495W 495 W 22.40% -0.310 27.0 kg -10 W, -0.4 pp
HT60-18X(ND)-F-500W 500 W 22.60% -0.310 27.0 kg Very close match
HT54-18X(N)-500W 500 W 22.50% -0.310 23.5 kg Lighter, -0.3 pp
HT54-18X(N)-505W 505 W 22.70% -0.310 23.5 kg Lighter
HT60-18X(N)-510W 510 W 23.00% -0.310 23.5 kg Lighter
HT54-18X(N)-510W 510 W 22.90% -0.310 23.5 kg Lighter
HT60-18X(N)-515W 515 W 23.30% -0.310 23.5 kg +10 W, lighter, +0.5 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg +55 W, cooler, +2.0 pp
LR7-60HVHL-550M 550 W 24.40% -0.260 16.3 kg Cooler, lighter, +1.6 pp

Found 488 panels of the same or similar size to this one, within ±10 mm. See them here Found 507 panels of the same or similar size to this one, within ±25 mm. See them here Found 1355 panels of the same or similar size to this one, within ±50 mm. See them here Found 1474 panels of the same or similar size to this one, within ±100 mm. See them here

About the HT60-18X(ND)-F series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

What warranty does the HT-SAAE HT60-18X(ND)-F series carry and what does it cover?
The HT60-18X(ND)-F series comes with a 30-year product warranty and a 30-year power output warranty. This means the manufacturer guarantees both material integrity and performance degradation limits for three decades. Among residential PV products, a combined 30/30-year warranty package stands out as one of the most comprehensive available, making it easier to model long-term ROI for a home solar system.
What advantage does N-type TOPCon cell technology in the HT60-18X(ND)-F offer over standard PERC panels?
N-type TOPCon cells exhibit significantly lower light-induced degradation (LID) and a slower annual power decline rate compared to conventional PERC cells. In practical terms, an HT60-18X(ND)-F module will deliver more cumulative energy over 10 or 20 years of operation than a same-wattage PERC panel. For the end investor, this translates to a higher lifetime energy yield without requiring any system upgrades.
Does the bifacial version of the HT60-18X(ND)-F series make sense on a typical pitched residential roof?
Bifacial gain is most significant in ground-mount or flat-roof installations with a light-colored reflective surface beneath the modules. On a dark pitched roof with little albedo, the rear-side contribution will be minimal. If you are planning a ground-mount system or a flat roof with a white TPO or EPDM membrane, the bifacial HT60-18X(ND)-F can realistically add several percentage points of extra annual yield without adding more panels.
How many HT60-18X(ND)-F panels rated at 515 W do I need for a typical single-family home?
A four-person household in Central Europe typically consumes 4,000-5,000 kWh per year, which a 5-6 kWp system generally covers. At 515 W per module, 10 to 12 HT60-18X(ND)-F panels are enough to reach that capacity. The precise number depends on roof orientation and tilt angle, local peak sun hours, and the household's individual load profile.
Is the HT60-18X(ND)-F series available in a Full Black variant, and who is it designed for?
Yes, the HT60-18X(ND)-F series is offered in a Full Black configuration with a black anodized frame and black backsheet or glass. This option targets homeowners and developers who prioritize aesthetics on modern buildings, dark-tile roofs, or premium commercial and residential projects. Technical specifications and warranty terms remain identical to the standard version.
How does the half-cut cell design of the HT60-18X(ND)-F perform when a chimney or dormer casts partial shade on the array?
In a half-cut module, each cell is split into two halves and the panel is divided into two independent electrical strings. When a chimney or dormer shades the lower portion of a module, the upper string continues operating near full power. In a conventional full-cell module, the same shadow would suppress output across the entire panel. For roofs with architectural obstructions, this architecture results in meaningfully higher annual energy production.
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