Skip to main content
MY Solar Brand review

MS740N-HJTGB

740 Wp HJT Bifacial 95%
ComparePV verdict

Efficiency leader, no clear weak spot

Rank 3 of 14,129
Compare panels Datasheet PDF
Power (Wp)
740
Strong · top 4%
Efficiency (%)
23.82
Strong · top 2%
Density (Wp/m²)
238.2
Strong · top 4%
Temp (%/°C)
-0.240
Typical · median -0.240
Weight (kg)
38.3
Strong · top 10%
Warranty (yrs)
30
Typical · median 30 yrs

The MY Solar GOLD N-Type HJT Bifacial (Framed N132) series is a range of modules designed to maximize energy yield in situations where every meter of structure and every hour of production counts. The use of N-type solar cells in HJT technology minimizes losses typical of older technologies and supports stable operation over the long term. A key advantage is the glass-glass bifacial design - the panel actively utilizes reflected light from the ground, which helps to increase production in ground-mounted, farm, and vertical installations.

In practice, this series addresses the problem of reduced performance in low-light conditions - good performance in low light translates to more predictable yields in typical Polish weather conditions. Half-cut and SMBB solutions also contribute to reliability by helping to minimize the impact of microcracks and local losses. For investors, high resistance to PID and LID and a long-term approach to product protection and performance maintenance are also important.

Ranking

222 panels in the segment HJT 700-750 W
Metric This panel Median Position in segment Overall rank
Module efficiency 23.82% 23.02% Strong · top 2% 447
Power density 238.2 230.2 Strong · top 4% 460
Temperature coefficient -0.240 -0.240 Typical 13
Weight per kWp 51.8 53.6 Strong · top 10% 5,156
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

8 positive · 2 caution
Best for

Utility-scale, commercial, shaded-installations and hot-climate.

Strengths
23.82% module efficiency

Top 2% of the HJT 700-750 W segment, against a median of 23.02%. Ranked 447th in the whole database.

238.2 watts per square metre

Top 4% of the HJT 700-750 W segment, against a median of 230.2. Ranked 460th in the whole database.

51.8 kg per kWp

Top 10% of the HJT 700-750 W segment, against a median of 53.6. Ranked 5,156th in the whole database.

What owners get
Efficiency matches segment leaders

Efficiency of 23.34-23.82% is on par with the best peer comparables in the 725-740 Wp segment - Sharp GSD8K66H (23.82%), JA Solar JAM66D46 LB (23.8%) and Tongwei TNC/THC series (23.8%). The series ranks among the top-performing N-type HJT modules available at this power class.

HJT cells with no LID or PID degradation

N-type HJT technology with zero B-O band eliminates the light-induced degradation (LID) typical of older PERC cells and delivers strong PID resistance, resulting in more stable long-term energy output, especially under high operating temperatures.

Bifacial glass-glass design up to 95% bifaciality

The dual-glass construction actively captures light reflected from the ground, with declared bifaciality up to 95% and a potential energy gain of up to 25.5% in ground-mount, solar farm, and vertical installations.

30-year product and linear power warranty

The manufacturer offers an equal 30-year warranty on both product and power (linear degradation curve), clearly exceeding the industry-standard 12/25-year model and matching or surpassing most tier-1 offerings in this power class.

Half-cut and SMBB reduce localized losses

Half-cut cells combined with SMBB (multi-busbar) technology reduce the impact of microcracks and local shading on overall panel output, improving mechanical resilience and performance stability under challenging field conditions.

Trade-offs
No tier-1/BNEF bankable status

MY Solar does not appear on the BNEF (Bloomberg New Energy Finance) tier-1 manufacturer list, unlike peer comparables such as JA Solar or Tongwei. This can complicate bank financing for larger projects and may signal lower confidence from institutional investors regarding long-term service continuity.

Limited market track record

The series was launched in 2023, which combined with its non-tier-1 status means only a few years of field data exist to substantiate the claimed 30-year power warranty under real-world operating conditions.

Notes from the database
  • 23.8% module efficiency - 0.8pp better than the HJT 700-750W median of 23.0%
  • Power density of 238.2 W/m² packs 8.0 W/m² more into the same footprint vs HJT 700-750W median (230.2 W/m²)
  • At -0.24%/°C, hot weather performance is typical for HJT 700-750W panels
  • Bifaciality factor of 95% can add 5-14% extra yield with reflective mounting surface
  • Ranked #447 out of 14129 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 740 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 23.82 % Strong Segment median 23.02%
Vmpp · Impp 43.25 V · 17.13 A Operating point at max power
Voc · Isc 51.35 V · 17.95 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2384×1303×35 mm · 3.11 m² of roof
Weight 38.3 kg Strong Strong · top 10%
Cells 132 · HJT Monocrystalline
Bifaciality 95 % Rear output as a share of front
Coefficient Pmax -0.240 %/°C Typical median -0.240 of its segment
Coefficient Voc · Isc -0.220 · 0.047 %/°C
NOCT 42 °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

Datasheet charts

Open datasheet PDF

Measured curves published by MY Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 740 Wp appear here. The rest cover the whole series.

Current-Voltage (I-V) Curves at Incident Irradiance = 1000 W/m² (Varying Cell Temperature) Current-Voltage (I-V) Curves at Incident Irradiance = 1000 W/m² (Varying Cell Temperature) 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
-0.240 %/°C against a segment median of -0.240
-
Bifacial gain
Rear gain over light concrete: -
-

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

Alternatives

All MY Solar panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
MY Solar MS740N-HJTGB 740 W 23.82% -0.240 38.3 kg You are here
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg -40 W, lighter, +1.2 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg -45 W, lighter, +1.1 pp
AIKO-A690-MAE78Dw 690 W 24.70% -0.260 34.5 kg -50 W, lighter, +0.9 pp
AIKO-A790-GRH78Dw 790 W 24.60% -0.260 39.8 kg +50 W, hotter, +0.8 pp
TSM-NEG21C.20Q-760 760 W 24.50% -0.260 38.3 kg +20 W, hotter, +0.7 pp
AIKO-A785-GRH78Dw 785 W 24.40% -0.260 39.8 kg +45 W, hotter, +0.6 pp
GK-4-78HGBD-780M 780 W 24.30% -0.260 38.7 kg +40 W, hotter, +0.5 pp
AIKO-A780-GRH78Dw 780 W 24.30% -0.260 39.8 kg +40 W, hotter, +0.5 pp
JT755SLk(B) 755 W 24.30% -0.240 36.4 kg +15 W, lighter, +0.5 pp
TSM-NEG21C.20Q-755 755 W 24.30% -0.260 38.3 kg +15 W, hotter, +0.5 pp
MS400N-HJTPB 400 W 12.88% -0.260 33.8 kg -340 W, lighter, -10.9 pp
MS405N-HJTPB 405 W 13.04% -0.260 33.8 kg -335 W, lighter, -10.8 pp
MS410N-HJTPB 410 W 13.20% -0.260 33.8 kg -330 W, lighter, -10.6 pp
MS415N-HJTPB 415 W 13.36% -0.260 33.8 kg -325 W, lighter, -10.5 pp
MS420N-HJTPB 420 W 13.52% -0.260 33.8 kg -320 W, lighter, -10.3 pp
MS680N-DHBG 680 W 21.89% -0.300 38.5 kg -60 W, hotter, -1.9 pp
AIKO-A805-GRH78Dw 805 W 25.10% -0.260 39.8 kg +65 W, hotter, +1.3 pp

Found 1393 panels of the same or similar size to this one, within ±10 mm. See them here Found 1403 panels of the same or similar size to this one, within ±25 mm. See them here Found 1403 panels of the same or similar size to this one, within ±50 mm. See them here Found 1435 panels of the same or similar size to this one, within ±100 mm. See them here

About the GOLD N-Type HJT Bifacial (Framed N132) 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 MY Solar GOLD N-Type HJT Bifacial (Framed N132) series come with?
The MY Solar GOLD N-Type HJT Bifacial (Framed N132) series comes with a 30-year product warranty and a 30-year power output warranty. This is among the longest protection periods available in the PV module market, significantly reducing investment risk for long-term utility-scale and commercial projects.
What is HJT cell technology in the MY Solar GOLD panels and why does it matter?
HJT (Heterojunction Technology) combines crystalline silicon with thin-film amorphous silicon layers on both sides of the cell, drastically reducing recombination losses compared to PERC or TOPCon cells. The result is superior efficiency in both full-sun and diffuse-light conditions. The MY Solar GOLD HJT series reaches up to 740 Wp per module, making it highly competitive for utility-scale deployments.
Is the bifacial glass-glass design of the MY Solar GOLD N132 panels worth it in real-world conditions?
Yes, particularly in ground-mounted systems, solar farms, and vertical installations (agrivoltaics, energy fences). The bifacial design captures reflected irradiance from the ground surface - white gravel, geomembrane, sand, or snow - boosting annual energy yield by several percentage points. In regions with snowy winters, albedo gain from snow reflection can be especially meaningful.
How do MY Solar GOLD HJT Bifacial panels perform under low-light conditions common in Central Europe?
HJT cells have a low temperature coefficient and excellent low-light performance due to the heterojunction structure, which maintains high voltage output even at reduced irradiance. This results in more predictable annual energy generation during overcast autumn and winter months, improving LCOE estimates compared to older PERC-based modules and shortening the investment payback period.
What type of installations are MY Solar GOLD N-Type HJT 740 Wp panels best suited for?
At 740 Wp, these modules are designed for large commercial rooftops, ground-mounted solar farms, and tracker systems. Fewer modules per megawatt reduces BoS costs and labor. Due to their large form factor and weight, they are generally not recommended for residential pitched-roof installations - ground mounts, flat industrial roofs, and single-axis tracker arrays are the primary use cases.
Are the MY Solar GOLD N-Type HJT Bifacial panels resistant to PID and LID degradation?
Yes. HJT technology provides inherent resistance to both PID (Potential Induced Degradation) and LID (Light Induced Degradation) thanks to the heterojunction structure, which limits charge carrier migration under high system voltage and initial light exposure. In practice, this means more stable output parameters throughout the full 30-year power warranty period, which is critical for accurate long-term financial modeling.
Add to compare