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Horay Solar Brand review

HS690TC-MHG-D

690 Wp TOPCon Bifacial 80%
ComparePV verdict

Strong in heat, heavy for its output

Rank 1,286 of 14,005
Compare panels Datasheet PDF
Power (Wp)
690
Strong · top 21%
Efficiency (%)
22.20
Typical · median 22.40%
Density (Wp/m²)
222.1
Typical · median 223.7
Temp (%/°C)
-0.280
Strong · top 19%
Weight (kg)
38.5
Weak · 3.9 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

The Horay Solar HS 210-132 TC-D Galaxy series is a range of N-type bifacial modules designed for maximum energy yield in modern installations, where stable performance over many years is crucial. They stand out due to N-type technology with passivated (TOPCon) contacts, which helps minimize losses and maintain high efficiency even in challenging operating conditions. The use of glass-glass bifacial construction allows for the utilization of reflected light from the ground, which significantly increases energy production compared to monofacial modules - especially on roofs with reflective membranes, on soil with gravel, and in carport systems.

In practice, this series solves the problem of reduced energy yield on cloudy days thanks to excellent performance at low irradiance and supports the project's profitability through a longer linear power warranty period. It is a good choice for PV farms, large commercial and industrial installations, and investors who want to improve LCOE without compromising on durability and predictable production.

Ranking

249 panels in the segment TOPCon 650-700 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.20% 22.40% Typical 5,817
Power density 222.1 223.7 Typical 5,734
Temperature coefficient -0.280 -0.290 Strong · top 19% 1,309
Weight per kWp 55.8 53.2 Weak · bottom 24% 10,180
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

6 positive · 2 caution
Best for

Commercial, utility-scale and hot-climate.

Not ideal for

Weight-limited structures.

Strengths
-0.280 %/°C temperature coefficient

Top 19% of the TOPCon 650-700 W segment, against a median of -0.290.

Watch-outs
55.8 kg per kWp

Bottom 24% of the TOPCon 650-700 W segment, against a median of 53.2.

What owners get
BNEF Tier 1 status – project bankability

Horay Solar has been listed on the BNEF Tier 1 PV module manufacturer list since Q1 2025 and remained there through Q1 2026. This bankability status meets the standard requirements of most financial institutions underwriting utility-scale PV projects, streamlining debt financing and insurer due diligence.

N-type TOPCon + bifacial glass-glass synergy

The combination of N-type TOPCon cells (passivated rear contact) with a bifacial glass-glass structure minimizes LID and PID while capturing an additional 5–15% energy yield from ground-reflected irradiance (depending on albedo). In carport systems, open-field installations with light gravel, and white-membrane rooftops, the bifacial gain translates to a measurably lower LCOE compared to monofacial modules.

Up to 23.2% efficiency – peer-level performance

The 720 Wp variant achieves 23.2% module efficiency, identical to peer comparables DMEGC DMxxxG12T-B66HSW and GCL GCL-NH12/66GDF (both at 720 Wp max / 23.2%). The series is fully competitive with leading N-type utility modules in the 210 mm format.

30-year linear power warranty (≥87.4% at year 30)

The official Horay Solar datasheet confirms ≥99% power retention at year 1 and ≥87.4% at year 30. Leapton LP210*210-M-66-NH carries an identical 30-year power warranty horizon, confirming that the Galaxy series meets the benchmark standard for N-type bifacial utility modules.

IEC 61215:2021 & IEC 61730:2023 certification

Modules are certified to the latest IEC revisions, including IEC 61730 edition 2023, meeting the increasingly strict compliance requirements set by European investors and insurers for utility-scale PV projects commissioned after 2024.

Trade-offs
15-year product warranty – below market trend

The product warranty stands at 15 years, while DMEGC offers a 25-year product warranty on comparable N-type bifacial modules. For long-tenor project finance transactions (20–25 year loan tenors), the shorter warranty coverage gap may factor negatively into lender or insurer risk assessments.

Notes from the database
  • At 22.2% efficiency, this panel is on par with typical TOPCon 650-700W modules
  • Power density of 222.1 W/m² matches the TOPCon 650-700W median
  • Temperature coefficient of -0.28%/°C matches the TOPCon 650-700W median
  • At 38.5 kg, this panel is 3.9 kg heavier than the TOPCon 650-700W median (34.6 kg) - more demanding for installation crews
  • Bifaciality factor of 80% can add 4-12% extra yield with reflective mounting surface

Specifications

Open datasheet PDF
Nominal power (Pmax) 690 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.20 % Typical Segment median 22.40%
Vmpp · Impp 40.10 V · 17.21 A Operating point at max power
Voc · Isc 48.20 V · 18.23 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2384×1303×33 mm · 3.11 m² of roof
Weight 38.5 kg Weak Weak · 3.9 kg above median
Cells 132 · TOPCon Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.280 %/°C Strong top 19% of its segment
Coefficient Voc · Isc -0.230 · 0.040 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 603 W guaranteed
Degradation 1.00 % First year

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
-0.280 %/°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 Horay Solar panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Horay Solar HS690TC-MHG-D 690 W 22.20% -0.280 38.5 kg You are here
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg -40 W, lighter, +3.0 pp
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg Cooler, lighter, +3.0 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg Cooler, lighter, +2.8 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg -45 W, lighter, +2.8 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg Cooler, lighter, +2.8 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg Cooler, lighter, +2.7 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg Cooler, lighter, +2.6 pp
HS680TC-MHG-D 680 W 21.90% -0.280 38.5 kg -10 W, -0.3 pp
HS700TC-MHG-D 700 W 22.50% -0.280 38.5 kg +10 W, +0.3 pp
HS710TC-MHG-D 710 W 22.90% -0.280 38.5 kg +20 W, +0.7 pp
HS720TC-MHG-D 720 W 23.20% -0.280 38.5 kg +30 W, +1.0 pp
AIKO-A805-GRH78Dw 805 W 25.10% -0.260 39.8 kg +115 W, cooler, +2.9 pp
AIKO-A800-GRH78Dw 800 W 24.90% -0.260 39.8 kg +110 W, cooler, +2.7 pp
AIKO-A795-GRH78Dw 795 W 24.80% -0.260 39.8 kg +105 W, cooler, +2.6 pp
AIKO-A790-GRH78Dw 790 W 24.60% -0.260 39.8 kg +100 W, cooler, +2.4 pp
TSM-NEG21C.20Q-760 760 W 24.50% -0.260 38.3 kg +70 W, cooler, +2.3 pp

Found 1390 panels of the same or similar size to this one, within ±10 mm. See them here Found 1400 panels of the same or similar size to this one, within ±25 mm. See them here Found 1400 panels of the same or similar size to this one, within ±50 mm. See them here Found 1432 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What warranty comes with the Horay Solar HS 210-132 TC-D Galaxy modules?
The Galaxy series carries a 15-year product warranty covering material and workmanship defects, plus a 30-year linear power output warranty. At the end of year 30, the module is guaranteed to retain at least 83.1% of its nameplate power. This is one of the longer warranty standards in the Tier 1 N-type segment and directly supports a lower LCOE for the full project lifetime.
What is TOPCon technology and why does the Galaxy series use it?
TOPCon (Tunnel Oxide Passivated Contact) is an N-type cell technology that adds an ultra-thin passivating oxide layer at the rear contact, reducing carrier recombination. This results in higher module efficiency and a lower annual degradation rate compared to standard PERC cells. In the Galaxy series it means more stable energy output over the 30-year warranty period and better performance at elevated cell temperatures.
How much additional energy will I get from the bifacial design of the Galaxy HS 210-132 TC-D?
Bifacial glass-glass modules capture reflected irradiance on the rear side of the cells. In typical ground-mount systems with light-colored gravel or white roofing membranes, the bifacial gain ranges from 5% to 15% compared to a monofacial module of equal nameplate power. The highest gains are achieved in carport systems and on flat roofs with high-albedo surfaces, where rear irradiance is maximized.
Do the Horay Solar Galaxy 720 Wp panels perform well on overcast days and in diffuse light?
Yes. N-type TOPCon cells have a lower turn-on threshold and generate higher current under low irradiance conditions compared to PERC cells. The Galaxy series is engineered for strong low-light performance, which is especially relevant in Central European climates where a significant portion of annual yield comes from cloudy days with diffuse irradiance rather than direct sunlight.
What types of installations are the Horay Solar HS 210-132 TC-D Galaxy 720 Wp modules best suited for?
With up to 720 Wp per module, the Galaxy series targets utility-scale PV farms, large commercial and industrial (C&I) rooftop systems, and carport structures. The high per-module power reduces the number of components per MW, lowering BoS and labor costs. The glass-glass construction provides the mechanical strength required for ground-mount racking exposed to heavy snow and wind loads.
Is Horay Solar a reliable manufacturer and is the Galaxy series still available?
Horay Solar is listed as a Tier 1 manufacturer with production facilities in China. The HS 210-132 TC-D Galaxy series is currently in active production and available through authorized European distributors. Before placing a bulk order, confirm stock levels and lead times with your distributor, as specific power-bin variants can have varying availability depending on production schedules.
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