---
title: "Horay Solar HS500TC-MHA 500W Solar Panel - Specs & Review | ComparePV"
description: "Horay Solar HS500TC-MHA 500W solar panel. Specs: 22.60% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient."
source: "https://comparepv.com/panel/horay-solar-hs500tc-mha"
updated: 2026-09-11
---

# Horay Solar HS500TC-MHA

Light for its output, no clear weak spot

140 panels in the segment N-type 500-550 W


## Identity

- **Manufacturer:** Horay Solar
- **Model:** HS500TC-MHA
- **Series:** HS 186R-120 TC Alpine
- **Rated power:** 500 W
- **Cell technology:** N-type


## How it compares

Compared against segment N-type 500-550 W (140 panels).


| Measure | This panel | Segment median | Standing | Rank |
| --- | --- | --- | --- | --- |
| Power (Wp) | 500 W | 520 W | Weak - bottom 8% |  |
| Module efficiency | 22.60% | 22.54% | Typical | 3,658 |
| Power density | 225.5 | 225.3 | Typical | 3,882 |
| Temperature coefficient | -0.280 | -0.290 | Strong - top 23% | 1,309 |
| Weight (kg) | 21.5 kg | 26.2 kg | Strong - top 2% |  |
| Performance warranty | 30 yrs | 30 yrs | Typical | 21 |


### Full peer table


| Measure | This panel | Segment median | Standing | Rank |
| --- | --- | --- | --- | --- |
| Module efficiency | 22.60% | 22.54% | Typical | 3,658 |
| Power density | 225.5 | 225.3 | Typical | 3,882 |
| Temperature coefficient | -0.280 | -0.290 | Strong - top 23% | 1,309 |
| Weight per kWp | 43.0 | 50.0 | Strong - top 2% | 261 |
| Performance warranty | 30 yrs | 30 yrs | Typical | 21 |


### Strengths

- **43.0 kg per kWp** - Top 2% of the N-type 500-550 W segment, against a median of 50.0. Ranked 261st in the whole database.
- **-0.280 %/°C temperature coefficient** - Top 23% of the N-type 500-550 W segment, against a median of -0.290.

- **Best for:** Weight-limited structures and hot roofs and southern climates.


## Specification


### Electrical

- **Rated power (Pmax):** 500 W
- **Efficiency:** 22.60 %
- **Voltage at Pmax (Vmp):** 36.47 V
- **Current at Pmax (Imp):** 13.71 A
- **Open-circuit voltage (Voc):** 43.70 V
- **Short-circuit current (Isc):** 14.48 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:** N-type
- **Cell count:** 120


### Physical

- **Length:** 1955 mm
- **Width:** 1134 mm
- **Thickness:** 30 mm
- **Weight:** 21.5 kg
- **Area:** 2.22 m2
- **Power density:** 225.5 Wp/m2


### Warranty and degradation

- **Product warranty:** 12 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:** 437 W


## Rank in the whole catalogue


| Measure | Position |
| --- | --- |
| Efficiency | 3658 of 14005 |
| Power density | 3882 of 14005 |
| Temperature coefficient | 1309 of 14005 |
| Weight | 261 of 14005 |
| Warranty | 21 of 14005 |


## Pros

- **Efficiency 22.2–23.1% — top-tier segment** - Peak efficiency of 23.1% places the Alpine series on par with JA Solar JAM60S40 LR (23.0%) and Sunlike SKT510 (22.93%), while clearly outperforming Trina Solar Vertex Backsheet (21.2%). For rooftop installations with limited usable area, this directly translates into higher energy yield per m².
- **N-type TOPCon — low degradation rate** - N-type TOPCon cells exhibit near-zero LID initial degradation and an annual power loss of ~0.4% versus ~0.7–0.8% typical of P-type PERC modules. A temperature coefficient of approximately –0.30%/°C (class-typical) delivers measurably higher output on hot days compared to P-type panels with Tc ≈ –0.35%/°C.
- **Double Glass construction — mechanical durability** - The dual-glass laminate eliminates micro-crack risk and provides IP68-class moisture resistance, critical in climates with frequent freeze-thaw cycles. Front and rear glass distribute mechanical loads evenly, supporting module lifespan well beyond the 30-year power warranty period.
- **30-year linear power warranty** - The manufacturer guarantees a linear power degradation schedule for 30 years, exceeding the 25-year standard offered by Trina Solar Vertex Backsheet. For residential and commercial investors, this reduces financial risk and improves the LCOE profile over the full asset lifetime.
- **Rectangular cells — voltage optimization and lower BoS** - The rectangular cell architecture enables longer DC strings per MPPT channel, reducing cabling and DC balance-of-system (BoS) material costs. This advantage is particularly significant in commercial flat-roof installations where string length directly determines hardware savings.


## Cons

- **Product warranty only 12 years** - Leading Tier-1 manufacturers — JA Solar, Trina Solar, LONGi — standardly offer a 15-year product warranty covering material and workmanship defects. Alpine's 12-year coverage falls 3 years short of that benchmark, leaving a gap during the critical mid-life window when potential replacement costs have not yet been fully offset by cumulative energy yield.
- **Monofacial design in N-type class** - The Alpine series is monofacial (is\_bifacial: false), while N-type TOPCon at this power class is increasingly available in bifacial versions (e.g., JA Solar JAM60D40 with ~80% bifaciality) capable of harvesting 5–15% additional energy from ground-reflected irradiance. On light-colored rooftops or ground-mount systems, the absence of an active rear surface represents a measurable loss of potential annual yield.


## About this series

Horay Solar HS 186R-120 TC Alpine modules utilize an innovative architecture based on N-type rectangular cells, allowing for denser silicon packing and higher conversion efficiency. Thanks to the use of **N-Type TOPCon** technology, these panels exhibit near-zero initial LID degradation and significantly better performance parameters at high temperatures compared to classic p-type solutions. This is crucial for investors who expect maximum performance from every square meter of the installation for decades. This series stands out with its **Double Glass** construction, which provides extreme resistance to mechanical loads and moisture, eliminating the risk of micro-cracks. This solves the problem of component durability in demanding climates, offering users peace of mind and investment security. The use of **rectangular cell technology** optimizes voltage parameters, allowing for the design of longer module strings, thereby reducing wiring and hardware costs. This is a solution dedicated to modern single-family homes and demanding business installations, where the priority is **the highest energy yield** and an aesthetic, modern design. Alpine is synonymous with energy stability, outclassing the competition in terms of resistance to material aging and efficiency in diffused light.


## Notable figures

- At 22.6% efficiency, this panel is on par with typical \*\*N-type 500-550W\*\* modules
- Power density of 225.5 W/m² matches the \*\*N-type 500-550W\*\* median
- Temperature coefficient of -0.28%/°C matches the \*\*N-type 500-550W\*\* median
- At 21.5 kg, this panel is 4.7 kg lighter than \*\*N-type 500-550W\*\* median (26.2 kg) - easier handling during installation
- In the top 26% for efficiency among all N-type panels


## Questions


### What is the warranty on the Horay Solar HS 186R-120 TC Alpine panels?

The HS 186R-120 TC Alpine series comes with a 12-year product warranty covering material defects and workmanship, along with a 30-year linear power output warranty. A 30-year performance guarantee is among the highest standards in the PV industry and reflects the manufacturer's confidence in the long-term durability of these modules. The warranty is valid when the panels are installed and operated in accordance with the technical documentation.


### What is N-Type TOPCon technology and why does the Alpine HS 186R-120 TC series use it?

TOPCon (Tunnel Oxide Passivated Contact) is an advanced N-type cell architecture in which a thin tunnel oxide layer minimizes carrier recombination at the cell surface. The result is higher conversion efficiency and near-zero initial LID degradation, which in conventional P-type cells can consume 1–3% of rated power within the first months of operation. For the end user, this translates to measurably more energy generated from day one of system commissioning.


### Do the Horay Solar HS 186R-120 TC Alpine panels feature a Double Glass construction, and what does that mean in practice?

Yes, the Alpine series uses a Double Glass construction instead of a standard polymer backsheet. Two layers of tempered glass eliminate the risk of micro-cracks, block moisture ingress, and significantly improve resistance to mechanical loads such as wind and snow. Double Glass modules also exhibit lower long-term degradation rates, which has a direct positive impact on energy yield throughout the full 30-year warranty period.


### What is the maximum power output of the HS 186R-120 TC Alpine panel and what system size is it suitable for?

The module achieves a peak power output of up to 510 Wp. This is well suited for residential prosumer systems and small commercial installations. A typical 10 kWp rooftop system would require approximately 20 panels. The use of 120 rectangular 186 mm cells optimizes string voltage parameters, enabling longer series strings and reducing overall BoS costs including cabling and combiner equipment.


### Will the Horay Solar HS 186R-120 TC Alpine panels perform well in Central European climate conditions with limited irradiance?

Yes. N-type TOPCon technology offers a better temperature coefficient and superior low-light performance compared to standard P-type PERC modules. In climates with frequent overcast skies and low sun angles, these characteristics translate into measurably higher annual energy yield. The Double Glass construction also provides robust protection against condensation and frost, which are common in Central European winters.


### Is Horay Solar a reliable manufacturer and should I be concerned about warranty support and long-term availability?

Horay Solar holds Bloomberg NEF Tier 1 status, indicating a manufacturer with proven financial stability and documented production quality. Founded in 2010, the company holds TÜV, ISO 9001, and other relevant market certifications. Tier 1 classification is one of the primary criteria used to assess warranty reliability and long-term module availability on the European market across a multi-decade investment horizon.


## Datasheet

[Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/HS186R-120TC-Alpine-510W-c55476ac3804.pdf)


## Alternatives


| Panel | Power | How it differs |
| --- | --- | --- |
| [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, heavier, +2.4 pp |
| [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, +2.2 pp |
| [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, heavier, +2.1 pp |
| [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | -10 W, cooler, +1.9 pp |
| [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | Cooler, heavier, +1.9 pp |
| [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | Cooler, +1.9 pp |
| [Horay Solar HS490TC-MHA](https://comparepv.com/panel/horay-solar-hs490tc-mha) | 490 W | -10 W, -0.4 pp |
| [Horay Solar HS495TC-MHA](https://comparepv.com/panel/horay-solar-hs495tc-mha) | 495 W | -0.2 pp |
| [Horay Solar HS495TC-MHC-D](https://comparepv.com/panel/horay-solar-hs495tc-mhc-d) | 495 W | Heavier, -0.4 pp |
| [Horay Solar HS500TC-MHC-D](https://comparepv.com/panel/horay-solar-hs500tc-mhc-d) | 500 W | Heavier, -0.2 pp |
| [Horay Solar HS505TC-MHA-D](https://comparepv.com/panel/horay-solar-hs505tc-mha-d) | 505 W | Heavier, +0.3 pp |
| [Horay Solar HS505TC-MHC-D](https://comparepv.com/panel/horay-solar-hs505tc-mhc-d) | 505 W | Heavier |
| [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | +60 W, heavier, +2.2 pp |
| [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | +55 W, heavier, +2.0 pp |
| [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | +50 W, lighter, +1.8 pp |
| [JA Solar JAT60S40-540/LR](https://comparepv.com/panel/ja-solar-jat60s40-540-lr) | 540 W | +40 W, cooler, +1.8 pp |


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Source: https://comparepv.com/panel/horay-solar-hs500tc-mha

Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.

