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DMEGC DM260M10T-B32HBT

DM260M10T-B32HBT

260 Wp TOPCon Bifacial 80%
ComparePV verdict

Efficiency leader, no clear weak spot

Rank 11,743 of 14,005
Compare panels Datasheet PDF
Power (Wp)
260
Weak · bottom 13%
Efficiency (%)
22.00
Strong · top 12%
Density (Wp/m²)
220.1
Strong · top 12%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
15.3
Strong · 8.1 kg below median
Warranty (yrs)
30
Typical · median 30 yrs

This series was designed with every square centimeter of roof space and real ease of installation in mind. It’s a compact, double-glass module that’s easier to handle, placing, and installing on pitched roof ridges and in hard-to-reach spots - without compromising on cutting-edge cell technology. The use of N-type TOPCon cells helps limit losses and maintain high operational stability over time, which is especially important in residential installations where even small drops in yield quickly translate to higher bills.

In practice, this series addresses two common problems: limited mounting space and the risk of accelerated module aging in challenging conditions. Thanks to its glass-glass construction and TOPCon technology, the panels perform well on residential rooftops, carports, and smaller commercial structures. An additional advantage is bifacial capability, allowing for the use of reflected light when mounting conditions permit. It stands out from the competition due to its installer-friendly format and focus on practical ergonomic design.

Ranking

30 panels in the segment TOPCon 250-300 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.00% 14.99% Strong · top 12% 6,517
Power density 220.1 149.9 Strong · top 12% 6,631
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 58.8 79.5 Strong · top 12% 11,930
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Price offers

2 from shops we track
Shop Country Price Per kWp Stock Offer updated Link to shop
www.photovoltaik-shop.com Germany 73 € incl. VAT 280.77 €/kWp In stock 21h ago Visit shop
solarvic.at Austria 82.50 € net 317.31 €/kWp In stock 21h ago Visit shop

Signals from the data

8 positive · 1 caution
Best for

Residential and commercial.

Strengths
22.00% module efficiency

Top 12% of the TOPCon 250-300 W segment, against a median of 14.99%.

220.1 watts per square metre

Top 12% of the TOPCon 250-300 W segment, against a median of 149.9.

58.8 kg per kWp

Top 12% of the TOPCon 250-300 W segment, against a median of 79.5.

What owners get
Premium-Class Efficiency – 22.9%

A peak efficiency of 22.9% clearly outperforms direct peer comparables: Kyocera KK270P (16.4%) and KU-60 (16.41%) are approximately 39% less area-efficient, while the MY Solar M2 series reaches 21.2%. In practice, this translates to roughly 10–15% more power from the same roof area compared to the best-performing alternative.

TOPCon N-Type: Low Degradation Rate of 0.4%/yr

Per the manufacturer's datasheet, only 0.4% annual power degradation is guaranteed over 30 years, corresponding to ≥88% of rated power output retained at end of warranty. N-type technology eliminates the LID (Light-Induced Degradation) effect characteristic of older P-type PERC cells, delivering tangible operational benefits especially during the early years of system operation.

30-Year Linear Power Warranty

A linear power warranty extending to 30 years is an above-market commitment — the industry norm among Tier 2/3 manufacturers is 25 years. Combined with a 25-year product warranty and a bankability rating of 'A' (PV ModuleTech Q4 2024), the financial risk of a prosumer investment is significantly reduced.

Installation Ergonomics: 15.3 kg, 1542×766 mm

A weight of just 15.3 kg and a form factor of 1542×766×30 mm are exceptional among glass-glass modules, which typically weigh 20–25 kg. On steep roof pitches and hard-to-access installations, this means safer handling for the installer and reduced mounting time — a meaningful competitive advantage for installation crews.

DMEGC BNEF Tier 1 and 5th Place Globally

DMEGC maintains Tier 1 BloombergNEF status (confirmed Q3 2025) and an 'A' rating from S&P Global Tier 1 Cleantech. In the Wood Mackenzie 2025 ranking, the manufacturer advanced to 5th place globally with shipments of 13.4 GW in H1 2025 alone (+64% YoY), materially reducing supplier insolvency risk over the warranty horizon.

Trade-offs
Low Single-Module Power Output: Max 270 Wp

Against the 2024–2025 market standard of 400–450 Wp for full-size M10/G12 modules, achieving a 10 kWp system requires a minimum of 37 panels from this series versus approximately 23 standard modules. For systems above ~6 kWp, this proportionally increases BoS costs (rails, mounting hardware, MC4 connectors, labor), which can offset any potential module-level price advantage.

Notes from the database
  • Efficiency of 22.0% is 6.0pp above the TOPCon 0-400W median (16.0%)
  • 220.1 W/m² power density - 60.3 W/m² more than TOPCon 0-400W median (159.8 W/m²), more power per roof area
  • At -0.29%/°C, hot weather performance is typical for TOPCon 0-400W panels
  • Weight of 15.3 kg (8.2 kg below TOPCon 0-400W median of 23.5 kg) allows easier transport and roof mounting
  • 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces

Specifications

Open datasheet PDF
Nominal power (Pmax) 260 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.00 % Strong Segment median 14.99%
Vmpp · Impp 19.72 V · 13.19 A Operating point at max power
Voc · Isc 23.52 V · 13.95 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1542×766×30 mm · 1.18 m² of roof
Weight 15.3 kg Strong Strong · 8.1 kg below median
Cells 64 · TOPCon Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.048 %/°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 87.4 % Equals 227 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by DMEGC in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 260 Wp appear here. The rest cover the 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
-0.290 %/°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.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
DMEGC DM260M10T-B32HBT 260 W 22.00% -0.290 15.3 kg You are here
NS-300MH-72 300 W 23.32% -0.290 12.5 kg +40 W, +1.3 pp, -5 yr warranty
NS-300MH-72 300 W 23.32% -0.290 12.5 kg +40 W, +1.3 pp, -5 yr warranty
ZEUS 1.2 FullBlack 280W 280 W 23.31% -0.260 14.3 kg +20 W, cooler, +1.3 pp
GKA182M285W 285 W 23.00% - 10.8 kg +25 W, lighter, +1.0 pp
GKA182M240W 240 W 23.00% - 10.8 kg -20 W, lighter, +1.0 pp
GKA182M260W 260 W 23.00% - 10.8 kg Lighter, +1.0 pp
GKA182M270W 270 W 23.00% - 10.8 kg +10 W, lighter, +1.0 pp
GKA182M300W 300 W 23.00% - 16.2 kg +40 W, +1.0 pp
DM270M10T-B32HBT 270 W 22.90% -0.290 15.3 kg +10 W, +0.9 pp
DM255M10T-B32HBT 255 W 21.60% -0.290 15.3 kg -0.4 pp
DM265M10T-B32HBT 265 W 22.40% -0.290 15.3 kg +0.4 pp
ZEUS 1.2 FullBlack 275W 275 W 22.89% -0.260 14.3 kg +15 W, cooler, +0.9 pp
ZEUS 1.2 FullBlack 270W 270 W 22.47% -0.260 14.3 kg +10 W, cooler, +0.5 pp

Found 8 panels of the same or similar size to this one, within ±10 mm. See them here Found 20 panels of the same or similar size to this one, within ±25 mm. See them here Found 40 panels of the same or similar size to this one, within ±50 mm. See them here Found 149 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Is the DMEGC DMxxxM10T-B32HBT series suitable for small or space-constrained rooftops?
Yes, that is precisely the primary application for this series. The module measures 1542 × 766 mm and weighs only 15.3 kg, making it one of the lightest modules in its power class. The compact format allows better utilization of fragmented roof sections — for example, around chimneys or dormers — while the low weight simplifies handling and installation on steep-pitch roofs without the need for a crane or an enlarged crew.
What are N-type TOPCon cells, and why does the DMxxxM10T-B32HBT series use them?
TOPCon (Tunnel Oxide Passivated Contact) is an N-type cell technology that reduces charge-carrier recombination within the cell. In practice, this translates to higher module efficiency of up to 22.9% and a slower power degradation rate over time. For a homeowner, it means more energy harvested from the same roof area and lower cumulative output losses throughout the entire operational lifetime of the system.
Does the bifacial design of the DMEGC DMxxxM10T-B32HBT panels make sense on a pitched roof?
Bifacial gain is realized when the rear side of the module captures diffuse or reflected irradiance. On a pitched roof the effect is smaller than in ground-mounted systems, but with light-colored roofing materials, an elevated racking system that allows an air gap, or carport installations, an additional 5–10% energy yield is entirely achievable. When roof space is limited, every incremental percentage of output gain matters.
What warranty is provided for the DMEGC DMxxxM10T-B32HBT series?
The manufacturer offers a 25-year product warranty covering material and workmanship defects, along with a 30-year linear power output warranty. This means the module is guaranteed to maintain a specified minimum performance level in accordance with a defined degradation curve over three decades of operation. DMEGC is recognized as a Tier 1 manufacturer, which provides additional confidence that warranty obligations will be honored over the long term.
How much does a single DMEGC DMxxxM10T-B32HBT panel weigh, and can it be installed without professional help?
Each module weighs 15.3 kg — significantly less than standard 60- or 72-cell panels, which typically weigh 20–25 kg. For an experienced installer, this difference is substantial when working on a pitched roof. DIY installation without the appropriate electrical certifications is not recommended due to safety and regulatory requirements; however, the low module weight does reduce labor costs for the installation crew.
What mechanical loads can the DMEGC DMxxxM10T-B32HBT panels withstand, and are they suitable for the Polish climate?
The DMxxxM10T-B32HBT series is rated for a front-side load of up to 8100 Pa and a rear-side load of up to 4000 Pa, corresponding to heavy accumulated snow loads and strong wind gusts. The dual-glass construction (2 mm + 2 mm) provides additional protection against moisture ingress and environmental stressors. These specifications comfortably exceed the requirements for typical climatic conditions across Poland, including mountainous regions.
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