--- title: "HT-SAAE HT54-18X(ND)-F 460W 460W Solar Panel - Specs & Review | ComparePV" description: "HT-SAAE HT54-18X(ND)-F 460W 460W solar panel. Specs: 23.00% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/ht-saae-ht54-18x-nd-f-460w" updated: 2026-09-11 --- # HT-SAAE HT54-18X(ND)-F 460W Space saver, weak in heat 1,089 panels in the segment TOPCon 450-500 W ## Identity - **Manufacturer:** HT-SAAE - **Model:** HT54-18X(ND)-F 460W - **Series:** HT54-18X(ND)-F - **Rated power:** 460 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 450-500 W (1089 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 460 W | 465 W | Typical | | | Module efficiency | 23.00% | 22.52% | Strong - top 22% | 1,919 | | Power density | 230.2 | 225.2 | Strong - top 20% | 1,876 | | Temperature coefficient | -0.310 | -0.290 | Weak - bottom 6% | 8,005 | | Weight (kg) | 25.0 kg | 24.0 kg | Weak - bottom 25% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 23.00% | 22.52% | Strong - top 22% | 1,919 | | Power density | 230.2 | 225.2 | Strong - top 20% | 1,876 | | Temperature coefficient | -0.310 | -0.290 | Weak - bottom 6% | 8,005 | | Weight per kWp | 54.3 | 52.2 | Weak - bottom 25% | 8,637 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **230.2 watts per square metre** - Top 20% of the TOPCon 450-500 W segment, against a median of 225.2. - **23.00% module efficiency** - Top 22% of the TOPCon 450-500 W segment, against a median of 22.52%. ### Watch out for - **-0.310 %/°C temperature coefficient** - Bottom 6% of the TOPCon 450-500 W segment, against a median of -0.290. Ranked 8,005th in the whole database. - **54.3 kg per kWp** - Bottom 25% of the TOPCon 450-500 W segment, against a median of 52.2. - **Best for:** Residential and commercial. - **Not ideal for:** Hot climates and weight-limited structures. ## Specification ### Electrical - **Rated power (Pmax):** 460 W - **Efficiency:** 23.00 % - **Voltage at Pmax (Vmp):** 32.90 V - **Current at Pmax (Imp):** 13.99 A - **Open-circuit voltage (Voc):** 39.40 V - **Short-circuit current (Isc):** 14.67 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.310 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.046 %/degC - **NOCT:** 43 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 - **Bifacial:** yes ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 25.0 kg - **Area:** 2.00 m2 - **Power density:** 230.2 Wp/m2 ### Warranty and degradation - **Product warranty:** 30 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 87.4 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.40 % - **Output after 30 years:** 402 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 1919 of 14005 | | Power density | 1876 of 14005 | | Temperature coefficient | 8005 of 14005 | | Weight | 8637 of 14005 | | Warranty | 21 of 14005 | ## Pros - **N-type TOPCon – Low Temperature Coefficient** - The temperature coefficient of Pmax is -0.31%/°C, outperforming typical PERC modules (~-0.35%/°C). Under Polish summer rooftop conditions (35–45°C), this translates to 0.15–0.2 percentage points lower power loss per degree above STC, compounding into a measurable increase in annual energy yield. - **30-Year Product and Power Output Warranty** - The manufacturer guarantees ≥87.4% of nominal power after 30 years of operation. The peer-comparable Zonergy ZPM MH3-72 offers a standard 25-year warranty, and the industry norm stands at 25–27 years. The extended warranty reduces financial risk for prosumer installations and commercial projects when modeled on a DCF basis. - **Dual-Glass Bifacial Construction (up to +20% rear-side gain)** - The dual-glass design combined with bifacial architecture enables absorption of irradiance reflected from the mounting surface. The manufacturer claims up to +20% additional energy generation depending on the surrounding albedo — a significant advantage in ground-mount systems, installations over light-colored roofing, or snow-covered surfaces. - **Efficiency up to 23.0% – Top of Segment** - Peak efficiency of 23.0% (460 Wp variant) matches the Risen RSM96-11-460BNDG (23.0%) and SunKean SKT460M12-96D4 (23.02%), and is substantially above the Zonergy ZPM MH3-72 (21.16%). The series ranks in the top 10% of 108-cell full-black TOPCon modules. - **Tier-1 BNEF, Manufacturer Since 1998** - HT-SAAE is listed on the BloombergNEF Tier-1 PV module index and has been active in the market for over 25 years, ensuring bankability for debt-financed projects and credibility in honoring long-term warranty obligations. ## Cons - **25 kg Weight – Structural Reinforcement May Be Required** - The dual-glass construction increases module weight to 25.0 ± 0.5 kg, approximately 4 kg more than typical single-glass monofacial modules (~21 kg). For larger rooftop installations (>10 kWp), a structural assessment of the roof framing load capacity may be required, adding cost to the engineering scope of the project. ## About this series The HT-SAAE HT54-18X(ND)-F series are modern full-black modules, seamlessly combining aesthetics with genuine performance in Polish conditions. The application of **N-type cells in TOPCon technology** helps mitigate typical power degradation over time and enhances installation stability, which is particularly important with rising energy costs and net-metering considerations. This series is available in the form of **dual-glass construction and bifacial design**, enabling the panel to utilize light reflected from the ground surface as well. This translates to higher energy yields, especially where every additional kilowatt-hour counts - on rooftops with limited space, when installed on light-colored roofs, or on the ground. Their advantages over many competitive modules also include **resistance to micro-cracks** and quality control in the form of **double EL testing**, reducing the risk of hidden defects after transportation and installation. The HT54-18X(ND)-F series is an excellent choice for homes, small businesses, and projects where appearance, durability, and reliable performance matter. ## Notable figures - At 23.0% efficiency, this panel is on par with typical \*\*TOPCon 450-500W\*\* modules - 230.2 W/m² power density - 5.0 W/m² more than \*\*TOPCon 450-500W\*\* median (225.2 W/m²), more power per roof area - Temperature coefficient of -0.31%/°C is 0.02pp worse than \*\*TOPCon 450-500W\*\* median (-0.29%/°C) - higher losses in summer heat - At 25.0 kg, weight matches the \*\*TOPCon 450-500W\*\* median - Bifaciality factor of 74% can add 4-11% extra yield with reflective mounting surface ## Questions ### What warranty comes with the HT-SAAE HT54-18X(ND)-F series? The HT54-18X(ND)-F series carries a 30-year product warranty and a 30-year linear power warranty. This is among the longest coverage periods available in the residential and small-commercial segment — many budget modules offer only 10–12 years on the product and 25 years on power output. The extended protection reduces financial risk over the full lifecycle of a prosumer installation. ### What is TOPCon technology and why does the HT54-18X(ND)-F use it instead of PERC? TOPCon (Tunnel Oxide Passivated Contact) uses N-type cells with an ultra-thin tunnel oxide and polysilicon passivation layer to reduce carrier recombination. Compared to PERC, this delivers higher module efficiency (up to 23%), a lower temperature coefficient (-0.31 %/°C), and slower annual degradation. In climates with frequent overcast days, like Central Europe, the result is measurably more energy yield year-round. ### Can the HT54-18X(ND)-F handle heavy snow and strong winds on a residential roof? Yes. The dual-glass construction of the HT54-18X(ND)-F is rated for snow loads up to 5,400 Pa and wind loads up to 2,400 Pa. The module operates reliably across a temperature range of -40°C to +85°C. These figures comfortably exceed the structural requirements defined under European standard EN 1991 for most central and northern European climate zones. ### How much does the HT54-18X(ND)-F weigh, and can a typical roof structure support it? The module weighs approximately 25 kg with dimensions of 1,762 × 1,134 × 30 mm. The dual-glass design adds weight compared to single-glass full-black panels of similar wattage. For older timber-framed roofs, it is advisable to have a structural engineer or experienced installer verify rafter and batten load capacity before proceeding with the project. ### Does the bifacial design of the HT54-18X(ND)-F make a real difference on a pitched roof? On a standard dark-colored pitched roof, bifacial gain is minimal because the rear glass is shaded. The bifacial effect becomes meaningful with a high-albedo surface beneath the array — a light-colored flat roof membrane, gravel ballast, or light-colored ground cover — typically adding 5–15% extra energy yield. For ground-mount systems or flat roofs with a reflective substrate, the HT54-18X(ND)-F bifacial design delivers a clear advantage. ### Are the HT54-18X(ND)-F modules compatible with popular inverters, and how long can the strings be? The HT54-18X(ND)-F supports a maximum system voltage of 1,500 V DC, enabling longer string configurations and better utilization of three-phase inverters in the 10–15 kW class. The electrical parameters comply with IEC 61730, ensuring compatibility with inverters from Fronius, SMA, Huawei, Sungrow, and other brands common in European markets. Always validate string sizing using the inverter manufacturer's official string calculator. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/ht54-18xnd-f-460-au-1-b209203e179d.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +50 W, cooler, +2.0 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, lighter, +1.8 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +45 W, cooler, +1.7 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, lighter, +1.5 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +40 W, cooler, +1.5 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +40 W, cooler, +1.5 pp | | [HT-SAAE HT54-18X(ND)-F 440W](https://comparepv.com/panel/ht-saae-ht54-18x-nd-f-440w) | 440 W | -20 W, -1.0 pp | | [HT-SAAE HT48-18X(N)-445W](https://comparepv.com/panel/ht-saae-ht48-18x-n-445w) | 445 W | -15 W, lighter, -0.7 pp | | [HT-SAAE HT48-18X(N)-450W](https://comparepv.com/panel/ht-saae-ht48-18x-n-450w) | 450 W | -10 W, lighter, -0.5 pp | | [HT-SAAE HT48-18X(N)-455W](https://comparepv.com/panel/ht-saae-ht48-18x-n-455w) | 455 W | Lighter | --- Source: https://comparepv.com/panel/ht-saae-ht54-18x-nd-f-460w Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.