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MY Solar Brand review

MS605N-DHBGA

605 Wp TOPCon Bifacial 85%
ComparePV verdict

Middle of its segment, weak in heat

Rank 1,596 of 14,129
Compare panels Datasheet PDF
Power (Wp)
605
Weak · bottom 15%
Efficiency (%)
22.38
Weak · bottom 19%
Density (Wp/m²)
224.0
Weak · bottom 23%
Temp (%/°C)
-0.300
Weak · bottom 19%
Weight (kg)
32.5
Typical · median 32.8 kg
Warranty (yrs)
30
Typical · median 30 yrs

The MY Solar G&A N-Type TOPCon Bifacial series is an advanced solution for demanding investors who prioritize maximum efficiency and installation durability. The use of N-Type TOPCon cells ensures that these panels are characterized by near-zero light-induced degradation and outstanding efficiency even in low-light conditions. A key advantage is bifacial energy generation, which allows for a significant additional power yield from reflected light reaching the back of the module. This design effectively solves the problem of power loss over time, offering significantly slower material aging compared to traditional technologies. The series is ideal for professional ground-mounted installations and modern commercial roofs where maximizing return on investment is key. What sets them apart from the competition is primarily an exceptional temperature coefficient, which guarantees stable operation and lower energy losses during hot days. It is the choice for those seeking high-resistance technology against external factors, combining innovation with long-term reliability in Polish climatic conditions. By eliminating the LID phenomenon, these panels maintain the highest operating parameters through decades of use, making them a cost-efficiency leader in the premium segment.

Ranking

1,085 panels in the segment TOPCon 600-650 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.38% 22.80% Weak · bottom 19% 5,029
Power density 224.0 227.7 Weak · bottom 23% 4,841
Temperature coefficient -0.300 -0.290 Weak · bottom 19% 6,152
Weight per kWp 53.7 53.1 Typical 7,813
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

4 positive · 5 caution
Best for

Commercial and utility-scale.

Not ideal for

Hot climates, tight roof space and roofs where every square metre has to count.

Watch-outs
-0.300 %/°C temperature coefficient

Bottom 19% of the TOPCon 600-650 W segment, against a median of -0.290.

22.38% module efficiency

Bottom 19% of the TOPCon 600-650 W segment, against a median of 22.80%.

224.0 watts per square metre

Bottom 23% of the TOPCon 600-650 W segment, against a median of 227.7.

What owners get
N-Type TOPCon cells, low degradation

N-Type TOPCon technology eliminates Light Induced Degradation (LID) typical of older PERC cells, resulting in a significantly slower power decline in the early years of operation and better performance under low-irradiance and diffuse-light conditions.

Bifacial dual-side generation

The bifacial design enables additional energy harvest from light reflected onto the rear side of the module, which is particularly beneficial in ground-mount installations on high-albedo surfaces (e.g., gravel, white roofing) and high-albedo commercial rooftops.

30-year linear power warranty

The 25-year product warranty combined with a 30-year linear power warranty is standard for top-tier N-Type modules and clearly exceeds older PERC terms (typically 25-year product / 25-year power warranty ending around 80.7%), translating into a longer period of predictable, guaranteed energy output.

Favorable temperature coefficient

TOPCon cells typically feature a lower power temperature coefficient (around -0.29%/°C versus roughly -0.35%/°C for PERC), reducing efficiency losses on hot days and supporting stable performance during Polish summer conditions.

Trade-offs
Efficiency below peer group average

The series' maximum efficiency is 22.95%, while comparable modules with the same maximum power of 620 Wp (HT-SAAE HT66-18X(ND)-F, Weran Solar LR7-72HTH, Astronergy ASTRO N7) reach 23%. The gap is modest but implies a slightly larger module area is needed to match equivalent output.

Not on the BNEF Tier 1 bankable list

MY Solar is not listed as a BNEF Tier 1 manufacturer, unlike many competing brands in this segment. This can complicate bank financing for large-scale projects and may affect insurance terms and resale valuation on the secondary market.

Notes from the database
  • Efficiency of 22.4% matches the TOPCon 600-650W median
  • At 224.0 W/m², this panel generates 3.7 W/m² less per unit area than TOPCon 600-650W median (227.7 W/m²)
  • Temperature coefficient of -0.30%/°C matches the TOPCon 600-650W median
  • Bifaciality factor of 85% can add 4-13% extra yield with reflective mounting surface
  • Ranked #5029 out of 14129 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 605 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.38 % Weak Segment median 22.80%
Vmpp · Impp 40.06 V · 15.09 A Operating point at max power
Voc · Isc 48.06 V · 15.88 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2382×1134×30 mm · 2.70 m² of roof
Weight 32.5 kg Typical Typical · median 32.8 kg
Cells 132 · TOPCon Monocrystalline
Bifaciality 85 % Rear output as a share of front
Coefficient Pmax -0.300 %/°C Weak bottom 19% of its segment
Coefficient Voc · Isc -0.260 · 0.046 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 25 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 88.8 % Equals 538 W guaranteed
Degradation 1.00 → 0.35 % First year, then annual

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 605 Wp appear here. The rest cover the whole series.

Linear Performance Warranty (25 Year Product Warranty / 30 Year Linear Power Warranty) Linear Performance Warranty (25 Year Product Warranty / 30 Year Linear Power Warranty) Whole series Current-Voltage Curves at Cells Temp. = 25°C (MS610N-DHBGA) Current-Voltage Curves at Cells Temp. = 25°C (MS610N-DHBGA) Whole series Current-Voltage Curves at Incident Irradiance = 1000 W/m² for Different Cell Temperatures Current-Voltage Curves at Incident Irradiance = 1000 W/m² for Different Cell Temperatures 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
-0.300 %/°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 MY Solar panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
MY Solar MS605N-DHBGA 605 W 22.38% -0.300 32.5 kg You are here
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg +45 W, lighter, +2.8 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg +40 W, lighter, +2.6 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg -45 W, lighter, +2.4 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg Cooler, lighter, +2.4 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg -50 W, lighter, +2.2 pp
AIKO-A635-MAE72Mw 635 W 24.60% -0.260 27.0 kg Cooler, lighter, +2.2 pp
MS600N-DHBGA 600 W 22.19% -0.300 32.5 kg Very close match
MS610N-DHBGA 610 W 22.53% -0.300 32.5 kg Very close match
MS615N-DHBGA 615 W 22.76% -0.300 32.5 kg +10 W, +0.4 pp
MS620N-DHBGA 620 W 22.95% -0.300 32.5 kg +15 W, +0.6 pp
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg +75 W, cooler, +2.8 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg +70 W, cooler, +2.6 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg +95 W, cooler, +2.6 pp
WST-675BKX72-A2 675 W 25.00% -0.260 32.1 kg +70 W, cooler, +2.6 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg +90 W, cooler, +2.5 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg +65 W, lighter, +2.4 pp

Found 1144 panels of the same or similar size to this one, within ±10 mm. See them here Found 1150 panels of the same or similar size to this one, within ±25 mm. See them here Found 1261 panels of the same or similar size to this one, within ±50 mm. See them here Found 1942 panels of the same or similar size to this one, within ±100 mm. See them here

About the G&A N-Type TOPCon Bifacial 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 G&A N-Type TOPCon Bifacial series carry and what does it cover?
The MY Solar G&A N-Type TOPCon Bifacial series comes with a 25-year product warranty covering defects in materials and workmanship, plus a 30-year linear power output warranty - one of the longest in the premium segment. The extended power guarantee is made possible by N-Type TOPCon cell technology, which degrades at only 0.4-0.5% per year, significantly slower than conventional PERC modules.
How does bifacial energy generation work in the MY Solar G&A series and how much extra output can I expect?
MY Solar G&A bifacial modules harvest reflected (albedo) light through their active rear surface in addition to the front side. In ground-mounted systems with light-colored gravel or soil, the rear side can contribute 10-25% additional yield on top of the 620 Wp nameplate rating. The rear-side bifacial factor reaches approximately 80-85% of front-side efficiency, making these modules especially cost-effective in open ground installations where reflected irradiance is available.
Do MY Solar G&A TOPCon panels suffer greater power loss on hot days compared to standard modules?
On the contrary - the G&A N-Type TOPCon series has a superior temperature coefficient of approximately -0.30%/°C, compared to around -0.40%/°C for PERC technology. At a typical summer module temperature of 65°C, TOPCon panels lose roughly 7.5% less power than an equivalent PERC module, resulting in measurably higher energy yield during peak summer hours.
Are the MY Solar G&A panels susceptible to LID (Light-Induced Degradation)?
No. The N-Type TOPCon cell architecture used in the G&A series is inherently immune to both LID and LeTID. In P-type PERC cells, these effects cause an initial 1-3% power drop within the first weeks of operation. N-type silicon does not contain the boron base responsible for light-activated defects, so the MY Solar G&A module delivers its full rated output from day one of operation.
Are the MY Solar G&A 620 Wp modules suitable for ground-mounted utility-scale PV installations?
Yes, the G&A N-Type TOPCon Bifacial series is designed with ground-mounted systems in mind. At 620 Wp, the module reduces the number of panels and overall BoS costs per megawatt. The bifacial design maximizes albedo gain at ground level, and the 30-year power warranty supports long-term LCOE calculations essential for utility-scale project financing.
How does the MY Solar G&A N-Type TOPCon series compare to older P-Type PERC panels from the same manufacturer?
The main advantages of the G&A series over P-Type PERC are: no LID effect, a better temperature coefficient (-0.30%/°C vs. ~-0.40%/°C), module efficiency exceeding 22%, and bifacial energy harvest that standard PERC panels typically lack. The power warranty is also extended to 30 years versus the typical 25 years for legacy PERC series, resulting in a substantially better LCOE over the system's lifetime.
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