--- title: "Horay Solar HS490TC-MHO-D Solar Panel: Specs & Datasheet | ComparePV" description: "Horay Solar HS490TC-MHO-D solar panel. Specs: 22.60% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/horay-solar-hs490tc-mho-d" image: "https://comparepv.com/og/panel/horay-solar-hs490tc-mho-d.png" updated: 2026-09-11 --- # Horay Solar HS490TC-MHO-D Strong in heat, no clear weak spot 1,096 panels in the segment TOPCon 450-500 W ## Identity - **Manufacturer:** Horay Solar - **Model:** HS490TC-MHO-D - **Series:** HS 182-120 TC-D Ocean - **Rated power:** 490 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 450-500 W (1096 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 490 W | 465 W | Strong - top 12% | | | Module efficiency | 22.60% | 22.52% | Typical | 3,716 | | Power density | 226.3 | 225.2 | Typical | 3,718 | | Temperature coefficient | -0.280 | -0.290 | Strong - top 12% | 1,347 | | Weight (kg) | 25.5 kg | 24.0 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.60% | 22.52% | Typical | 3,716 | | Power density | 226.3 | 225.2 | Typical | 3,718 | | Temperature coefficient | -0.280 | -0.290 | Strong - top 12% | 1,347 | | Weight per kWp | 52.0 | 52.2 | Typical | 5,518 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **-0.280 %/°C temperature coefficient** - Top 12% of the TOPCon 450-500 W segment, against a median of -0.290. - **Best for:** Residential, commercial and shaded-installations. ## Specification ### Electrical - **Rated power (Pmax):** 490 W - **Efficiency:** 22.60 % - **Voltage at Pmax (Vmp):** 36.84 V - **Current at Pmax (Imp):** 13.31 A - **Open-circuit voltage (Voc):** 43.66 V - **Short-circuit current (Isc):** 14.37 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.280 %/degC - **Temperature coefficient of Voc:** -0.230 %/degC - **Temperature coefficient of Isc:** 0.040 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 120 - **Bifacial:** yes ### Physical - **Length:** 1909 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 25.5 kg - **Area:** 2.16 m2 - **Power density:** 226.3 Wp/m2 ### Warranty and degradation - **Product warranty:** 15 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 87.4 % - **First-year degradation:** 1.00 % - **Output after 30 years:** 428 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 3716 of 14129 | | Power density | 3718 of 14129 | | Temperature coefficient | 1347 of 14129 | | Weight | 5518 of 14129 | | Warranty | 21 of 14129 | ## Pros - **BNEF Tier 1 bankability status** - Horay Solar has appeared on the BNEF Tier 1 PV Module Manufacturer list since Q1 2025 and maintained its position through Q1 2026. This designation signals acceptance by global project finance institutions, reducing credit risk and facilitating project financing and leasing structures for commercial installations. - **N-type TOPCon - low degradation, LID-free** - N-type TOPCon cells exhibit ~1% first-year degradation vs ~2% for PERC, and ~0.4%/year annual degradation vs 0.45-0.8% for PERC. Complete immunity to LID and LeTID translates to 8-15% more lifetime energy generation compared to PERC-based modules, according to independent technology analyses. - **Bifacial + SMBB + half-cut cells** - TOPCon bifacial modules deliver a bifaciality factor of 80-85% vs ~70% for PERC, increasing rear-side energy harvest. SMBB (multi-busbar) and half-cut cell architecture reduce resistive losses and improve partial-shading tolerance - a key advantage under Poland's variable irradiance and frequent overcast conditions. - **30-year linear power warranty** - The manufacturer guarantees a linear power output curve over 30 years, while peer comparable Solar-Fabrik Mono S4 Halfcut BC White covers only 25 years. Assuming ~0.4%/year TOPCon degradation, this yields >87% of rated power at year 30 and directly improves LCOE in project financial models. - **IEC 61701 + IEC 62716 certified** - The TC-D variant passes both salt mist (IEC 61701) and ammonia corrosion (IEC 62716) testing, confirming suitability for coastal sites, high-salinity road environments, and agricultural installations without requiring additional BoS anti-corrosion protection measures. ## Cons - **Efficiency below BC segment leader** - Maximum module efficiency is 22.6%, while the peer comparable Solar-Fabrik Mono S4 Halfcut BC White achieves 24.0% - a 1.4 pp gap. On space-constrained rooftops, back-contact (BC) technology enables approximately 6.2% higher kWp/m² yield, which can be a decisive factor for tight residential or commercial installations. - **15-year product warranty** - The workmanship and material defect warranty covers only 15 years, whereas select Tier 1 manufacturers in the 470-490 Wp power class offer 25-year product guarantees. For long-term commercial projects, this gap represents potentially higher servicing cost exposure beyond year 15 of operation. ## About this series The Horay Solar HS 182-120 TC-D Ocean series consists of **bidirectional N-type modules** designed for maximum energy yield in real-world conditions. The use of **SMBB technology and half-cut cells** improves power generation and reduces thermal losses, resulting in more predictable energy production, especially in partially shaded and variable sunlight conditions. Another advantage is **high efficiency in low light** - which is important in the Polish climate, where mornings, fog, and cloud cover are common. The TC-D variant is also distinguished by **resistance to harsh environments** - the modules pass tests for salt fog and ammonia corrosion, making them suitable for coastal areas, roads with high salt content, and agricultural areas. This makes them a good choice for rooftop and ground-mounted installations, where long-term reliability, aesthetics, and the possibility of additional energy generation on the back side of the module are important. ## Notable figures - At 22.6% efficiency, this panel is on par with typical \*\*TOPCon 450-500W\*\* modules - At 226.3 W/m² power density, roof space requirements are typical for \*\*TOPCon 450-500W\*\* panels - At -0.28%/°C, hot weather performance is typical for \*\*TOPCon 450-500W\*\* panels - Weight of 25.5 kg is 1.5 kg above \*\*TOPCon 450-500W\*\* median (24.0 kg) - verify structural support - Bifacial design (80% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof ## Questions ### What is the rated power of the Horay Solar HS 182-120 TC-D Ocean panel and is it enough for a home? This module delivers a peak power of 490 Wp. For a typical single-family home consuming around 4,000-5,000 kWh per year, 8-10 panels (roughly 3.9-4.9 kWp) are sufficient. The high per-panel output means fewer modules needed on the roof for the same system capacity, reducing both structural load and balance-of-system (BoS) costs. ### What warranty does the Horay Solar HS 182-120 TC-D Ocean come with? Horay Solar provides a 15-year product warranty covering material and workmanship defects, plus a 30-year linear power output warranty. The 30-year performance guarantee is a premium-tier commitment typical of N-type TOPCon modules and reflects the manufacturer's confidence in long-term cell stability and low annual degradation rates. ### How does the HS 182-120 TC-D Ocean perform on overcast days common in Northern European climates? The Ocean series uses N-type TOPCon cells with SMBB (super multi-busbar) technology, which delivers noticeably better low-irradiance performance compared to standard PERC modules. In climates with frequent morning fog, overcast skies, and short winter days, this translates into measurably higher annual energy yield, especially during spring and fall shoulder seasons. ### Is the Horay Solar HS 182-120 TC-D Ocean suitable for coastal or agricultural installations? Yes. The TC-D variant has passed salt mist corrosion testing per IEC 61701 and ammonia corrosion testing per IEC 62716, making it well-suited for marine environments, roads treated with de-icing salt, and farm sites where ammonia fumes from livestock can accelerate frame and junction box degradation on less robust modules. ### What bifacial energy gain can I expect from the HS 182-120 TC-D Ocean? Because both sides of this bifacial module generate power, reflected light from the ground or rooftop surface contributes additional energy. Depending on the albedo of the surface below (light gravel, white membrane, snow) and the mounting angle, bifacial gain typically ranges from 5-15% over a monofacial equivalent. The benefit is greatest in ground-mounted systems with bright substrates or flat-roof installations with reflective membranes. ### How does the TOPCon cell technology in the Ocean series compare to standard PERC modules? TOPCon (Tunnel Oxide Passivated Contact) uses an N-type silicon base with a thin tunnel oxide passivation layer on the rear, reducing carrier recombination. This yields higher module efficiency (typically 21.5-22.5% vs. around 20-21% for PERC), a lower temperature coefficient, and slower annual degradation. For the end user this means more energy produced over the full lifetime of the installation and a better LCOE compared to legacy PERC technology. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/HS182-120TC-D-Ocean-490W-6ec3a346ffa2.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +20 W, cooler, +2.4 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, lighter, +2.2 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, lighter, +2.1 pp | | [WINAICO WST-505BKX54-A2](https://comparepv.com/panel/winaico-wst-505bkx54-a2) | 505 W | +15 W, cooler, +2.1 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, lighter, +1.9 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | Cooler, lighter, +1.9 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | Cooler, lighter, +1.9 pp | | [Horay Solar HS470TC-MHO](https://comparepv.com/panel/horay-solar-hs470tc-mho) | 470 W | -20 W, lighter, -0.9 pp | | [Horay Solar HS475TC-MHO](https://comparepv.com/panel/horay-solar-hs475tc-mho) | 475 W | -15 W, lighter, -0.7 pp | | [Horay Solar HS480C-MHO](https://comparepv.com/panel/horay-solar-hs480c-mho) | 480 W | -10 W, lighter, -0.4 pp | | [Horay Solar HS485TC-MHO](https://comparepv.com/panel/horay-solar-hs485tc-mho) | 485 W | Lighter, -0.2 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | +70 W, cooler, +2.2 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | +65 W, cooler, +2.0 pp | | [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | +60 W, lighter, +1.8 pp | | [JA Solar JAT60S40-540/LR](https://comparepv.com/panel/ja-solar-jat60s40-540-lr) | 540 W | +50 W, cooler, +1.8 pp | | [Gokin GK-5-60HG-540M](https://comparepv.com/panel/gokin-gk-5-60hg-540m) | 540 W | +50 W, lighter, +1.8 pp | --- Source: https://comparepv.com/panel/horay-solar-hs490tc-mho-d 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.