--- title: "DMEGC DM460M10RT-54HBW-V 460W Solar Panel - Specs & Review | ComparePV" description: "DMEGC DM460M10RT-54HBW-V 460W solar panel. Specs: 23.02% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/dmegc-hengdian-group-dmegc-magnetics-co-ltd-dm460m10rt-54hbw-v" updated: 2026-09-11 --- # DMEGC DM460M10RT-54HBW-V Light for its output, no clear weak spot 1,089 panels in the segment TOPCon 450-500 W ## Identity - **Manufacturer:** DMEGC - **Model:** DM460M10RT-54HBW-V - **Series:** DMxxxM10RT-54HBW - **Rated power:** 460 W - **Cell technology:** TOPCon ## How it compares Compared against segment TOPCon 450-500 W (1089 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 460 W | 465 W | Typical | | | Module efficiency | 23.02% | 22.52% | Strong - top 17% | 1,797 | | Power density | 230.2 | 225.2 | Strong - top 20% | 1,876 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight (kg) | 20.6 kg | 24.0 kg | Strong - top 6% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 23.02% | 22.52% | Strong - top 17% | 1,797 | | Power density | 230.2 | 225.2 | Strong - top 20% | 1,876 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight per kWp | 44.8 | 52.2 | Strong - top 6% | 530 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **44.8 kg per kWp** - Top 6% of the TOPCon 450-500 W segment, against a median of 52.2. Ranked 530th in the whole database. - **23.02% module efficiency** - Top 17% of the TOPCon 450-500 W segment, against a median of 22.52%. - **230.2 watts per square metre** - Top 20% of the TOPCon 450-500 W segment, against a median of 225.2. - **Best for:** Residential and commercial. ## Specification ### Electrical - **Rated power (Pmax):** 460 W - **Efficiency:** 23.02 % - **Voltage at Pmax (Vmp):** 34.31 V - **Current at Pmax (Imp):** 13.41 A - **Open-circuit voltage (Voc):** 40.65 V - **Short-circuit current (Isc):** 14.31 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.290 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.048 %/degC - **NOCT:** 42 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 20.6 kg - **Area:** 2.00 m2 - **Power density:** 230.2 Wp/m2 ### Warranty and degradation - **Product warranty:** 20 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:** 402 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 1797 of 14005 | | Power density | 1876 of 14005 | | Temperature coefficient | 2165 of 14005 | | Weight | 530 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Up to 23.27% Efficiency – Segment Leader** - The peak efficiency of 23.27% outperforms the primary peer DAH DHN-54R18/DG(BW), which tops out at 22.78% (+0.49 pp), and clearly surpasses JS Solar and Jinko Solar at 21.48%. This translates into higher energy yield per m² of installed area. - **N-Type TOPCon – Low Degradation** - N-type TOPCon cells are not susceptible to the LID/LeTID phenomena characteristic of P-type PERC. The manufacturer guarantees degradation of ≤1% in the first year and ≤0.4%/year in years 2–30, with a minimum power output of ≥87.4% after 30 years of operation. - **Glass-Glass Construction** - The dual-glass laminate provides resistance to snow loads up to 5,400 Pa and wind loads up to 2,400 Pa, reduces moisture ingress, and improves PID resistance – particularly relevant in the Polish climate with its high seasonal temperature amplitude. - **30-Year Power Warranty** - A linear 30-year power warranty with a ≥87.4% nominal power threshold is a premium-class standard; modules from the 2024 series are covered through 2054. By comparison, standard market PERC modules typically offer 25 years with a threshold of approximately 84.8%. - **BNEF Tier 1 – Bankability** - DMEGC Solar maintains Tier 1 status per BloombergNEF (confirmed Q3 2025), which facilitates bank financing for commercial installations and qualifies the modules for most subsidy programs in Poland (including Mój Prąd and EIB loan schemes). ## Cons - **Monofacial Design – No Bifacial Gain** - The series is monofacial, whereas the direct peer DAH DHN-54R18/DG(BW) offers a bifacial configuration within the identical power range of 450–465 W. On ground-mount and carport installations, a bifacial gain of 5–15% can offset DMEGC's efficiency advantage (23.27% vs. 22.78% for DAH), making this model less competitive in those application types. ## About this series The DMEGC DMxXXM10RT-54HBW series are modules based on N-type monocrystalline cells in TOPCon technology, designed for high energy yield under real operating conditions. The use of **N-type TOPCon cells** helps limit power losses over time and stabilizes energy production even under non-ideal conditions - such as overcast skies or during morning and afternoon hours. In practice, this means more predictable energy returns and better investment profitability. A key feature of this series is the **glass-glass construction**, which increases resistance to atmospheric factors and supports long-term module durability. Additionally, bifaciality is available in this family, enabling the use of reflected light - particularly beneficial on light-colored roofs, carports, and open ground. This is an excellent choice for investors seeking **high durability** and **reliable performance in low-light conditions** - suitable for both residential and commercial applications, where stable energy returns and operational resilience are key. ## Notable figures - Efficiency of 23.0% matches the \*\*TOPCon 450-500W\*\* median - Power density of 230.2 W/m² packs 5.0 W/m² more into the same footprint vs \*\*TOPCon 450-500W\*\* median (225.2 W/m²) - Temperature coefficient of -0.29%/°C matches the \*\*TOPCon 450-500W\*\* median - 20.6 kg weight - 3.4 kg lighter than \*\*TOPCon 450-500W\*\* median (24.0 kg), reducing installation effort - #1797 for efficiency, #2165 for temperature performance out of 14005 panels ## Questions ### What is TOPCon technology in the DMEGC DMxxxM10RT-54HBW series and is it worth choosing? TOPCon (Tunnel Oxide Passivated Contact) technology uses N-type cells coated with a thin tunnel oxide layer that significantly reduces charge carrier recombination losses. In practice, this translates into higher efficiency and slower degradation compared to conventional P-type PERC cells. The DMxxxM10RT-54HBW series reaches up to 465 Wp, and the manufacturer guarantees at least 87.4% of rated output power after 30 years. It is an excellent choice when long-term durability and consistent energy yield over the full system lifetime are priorities. ### What warranty coverage does the DMEGC DMxxxM10RT-54HBW series carry? The DMxxxM10RT-54HBW series comes with a 20-year product warranty covering manufacturing defects and material faults, as well as a 30-year linear power output warranty. Degradation is limited to approximately 1% in the first year and less than 0.4% per year in subsequent years. After 30 years, the manufacturer guarantees retention of at least 87.4% of the module's nominal rated power. The warranty is valid provided the modules are installed correctly in accordance with the technical documentation. ### Do the DMEGC DMxxxM10RT-54HBW panels perform well on overcast days and in low-irradiance conditions? Yes, N-type TOPCon cells demonstrate superior performance under diffuse light conditions compared to older P-type PERC technology. The DMxxxM10RT-54HBW series features a low temperature coefficient, which means reduced power losses on hot days and better performance on cooler, overcast days. The system generates energy more effectively during morning and late-afternoon hours, which is particularly relevant in the Polish climate where irradiance levels are limited for much of the year. ### Is the DMEGC DMxxxM10RT-54HBW series suitable for installation on a pitched roof of a single-family home? Yes, the DMxxxM10RT-54HBW series is well suited for pitched-roof installations on residential buildings. The module, measuring approximately 1762×1134 mm and weighing under 25 kg, can be mounted using standard racking systems with aluminum rails and roof hooks. Its snow load resistance of up to 5,400 Pa and wind load resistance of up to 2,400 Pa fully meet the requirements of typical Polish climatic zones and rooftop structural load conditions. ### What does the glass-glass construction of the DMEGC DMxxxM10RT-54HBW panels involve and what are the practical benefits? Glass-glass construction replaces the conventional backsheet with a second layer of tempered glass. In the DMxxxM10RT-54HBW series, this design significantly improves resistance to moisture ingress, UV radiation, and mechanical damage, resulting in slower long-term degradation. It also reduces the risk of microcracks forming in the cells. This solution is particularly effective in high-humidity environments and under large diurnal temperature swings, both of which are characteristic of Polish climate conditions. ### Is DMEGC a reliable photovoltaic panel manufacturer and what does Tier 1 status mean? DMEGC is classified as a Tier 1 manufacturer by Bloomberg NEF, which confirms the company's financial stability and its capacity to honor warranties over decades. The company has been in operation since 1980, and its PV modules are deployed in installations across more than 100 countries worldwide. Tier 1 status is also a prerequisite set by many banks and financial institutions when financing larger commercial PV projects, reflecting the manufacturer's well-established and recognized position in the global market. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/67650ed15163d-71bfcc147bd7.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +50 W, cooler, +2.0 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +35 W, cooler, +1.8 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +45 W, cooler, +1.7 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +30 W, cooler, +1.5 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +40 W, cooler, +1.5 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +40 W, cooler, +1.5 pp | | [DMEGC DM435M10RT-B54HBB-L](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm435m10rt-b54hbb-l) | 435 W | -25 W, -1.2 pp | | [DMEGC DM440M10RT-54HSW/HBW](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm440m10rt-54hsw-hbw) | 440 W | -20 W, -1.0 pp | | [DMEGC DM445M10RT-54HSW/HBW](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm445m10rt-54hsw-hbw) | 445 W | -15 W, -0.7 pp | --- Source: https://comparepv.com/panel/dmegc-hengdian-group-dmegc-magnetics-co-ltd-dm460m10rt-54hbw-v 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.