--- title: "Sunpro Power SPDG595-N144M10 595W Solar Panel - Specs & Review | ComparePV" description: "Sunpro Power SPDG595-N144M10 595W solar panel. Specs: 23.02% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/sunpro-spdg595-n144m10" updated: 2026-09-11 --- # Sunpro Power SPDG595-N144M10 Space saver, no clear weak spot 1,018 panels in the segment TOPCon 550-600 W ## Identity - **Manufacturer:** Sunpro Power - **Model:** SPDG595-N144M10 - **Series:** TOPCon 182 BIFACIAL - **Rated power:** 595 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 550-600 W (1018 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 595 W | 580 W | Strong - top 5% | | | Module efficiency | 23.02% | 22.44% | Strong - top 7% | 1,797 | | Power density | 230.3 | 224.4 | Strong - top 7% | 1,758 | | Temperature coefficient | -0.300 | -0.290 | Typical | 6,093 | | Weight (kg) | 31.0 kg | 31.2 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 23.02% | 22.44% | Strong - top 7% | 1,797 | | Power density | 230.3 | 224.4 | Strong - top 7% | 1,758 | | Temperature coefficient | -0.300 | -0.290 | Typical | 6,093 | | Weight per kWp | 52.1 | 53.8 | Typical | 5,550 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **230.3 watts per square metre** - Top 7% of the TOPCon 550-600 W segment, against a median of 224.4. Ranked 1,758th in the whole database. - **23.02% module efficiency** - Top 7% of the TOPCon 550-600 W segment, against a median of 22.44%. Ranked 1,797th in the whole database. - **Best for:** Utility-scale and hot-climate. ## Specification ### Electrical - **Rated power (Pmax):** 595 W - **Efficiency:** 23.02 % - **Voltage at Pmax (Vmp):** 43.03 V - **Current at Pmax (Imp):** 13.83 A - **Open-circuit voltage (Voc):** 51.84 V - **Short-circuit current (Isc):** 14.55 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.300 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.046 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 144 - **Bifacial:** yes - **Bifacial gain:** 15.00 ### Physical - **Length:** 2278 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 31.0 kg - **Area:** 2.58 m2 - **Power density:** 230.3 Wp/m2 ### Warranty and degradation - **Product warranty:** 25 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:** 520 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 1797 of 14005 | | Power density | 1758 of 14005 | | Temperature coefficient | 6093 of 14005 | | Weight | 5550 of 14005 | | Warranty | 21 of 14005 | ## About this series The Sunpro TOPCon 182 BIFACIAL series is an advanced solution based on N-type cells that redefines performance standards in the variable Polish climate. Thanks to the use of **bifacial (double-sided)** technology, these panels generate additional energy from radiation reflected from the ground, which significantly increases the total yield from every square meter of the installation. The use of 182-millimeter silicon wafers in combination with modern TOPCon architecture allows for achieving **higher efficiency in low light**, which is crucial in Polish conditions during autumn-winter periods. This solution effectively minimizes the problem of light-induced degradation, offering parameter stability for many years of intensive use. These modules are an ideal choice for professional investors focused on **maximizing profits from photovoltaic farms** and large commercial ground-mounted systems. Unlike standard older-generation cells, this series is characterized by a **lower temperature coefficient**, which directly translates to smaller energy losses during summer heatwaves. The innovative **double-glass** design provides exceptional resistance to extreme weather conditions and micro-cracks, which clearly distinguishes this product from the competition. It is a substantive response to the needs of a market seeking to optimize the Levelized Cost of Energy (LCOE) while maintaining the highest standards of durability. ## Notable figures - At 23.0% efficiency, this panel is 0.6pp above typical \*\*TOPCon 550-600W\*\* modules (median: 22.4%) - Power density of 230.3 W/m² packs 5.9 W/m² more into the same footprint vs \*\*TOPCon 550-600W\*\* median (224.4 W/m²) - Temperature coefficient of -0.30%/°C matches the \*\*TOPCon 550-600W\*\* median - In the top 13% for efficiency among all TOPCon panels ## Questions ### How much extra power does bifacial technology add in Sunpro TOPCon 182 panels? The bifacial modules in the TOPCon 182 BIFACIAL series generate additional current from the rear side thanks to light reflected off the ground. In practice, with a high-albedo surface such as white gravel or reflective film, and ground-mount installation, energy yield can increase by 5-15% compared to a standard monofacial panel of the same 600 Wp nominal power. ### What warranty do Sunpro TOPCon 182 BIFACIAL panels come with? The manufacturer offers a 25-year product warranty covering material and workmanship defects, plus a 30-year power performance warranty. This means the module should still deliver a significant share of its original output after that period, providing solid protection for investments in commercial installations and utility-scale PV farms. ### Are TOPCon 182 BIFACIAL panels suitable for ground-mounted PV farms? Yes, the double-glass construction combined with bifacial technology makes this series a strong choice for large ground-mount and commercial installations. Panels elevated above the ground capture reflected light on both sides, which, given adequate terrain albedo, meaningfully increases energy output per square meter compared to sloped-roof mounting. ### Do Sunpro TOPCon 182 panels perform well in Polish winter conditions? Yes, N-type TOPCon cells deliver higher efficiency in low-light conditions, which matters during Polish autumn and winter when solar irradiance is limited. Additionally, the low temperature coefficient benefits performance in summer as well, reducing power losses when module temperatures rise. ### How does TOPCon technology differ from older PERC cells in this series? TOPCon (Tunnel Oxide Passivated Contact) uses N-type cells with an additional passivation layer that reduces recombination losses and light-induced degradation (LID), common in older P-type PERC cells. The result is higher initial efficiency, better low-light performance, and more stable power output over many years of operation. ### Is the double-glass construction in TOPCon 182 BIFACIAL panels more durable than a standard panel? Yes, using two layers of glass instead of glass and a rear backsheet significantly improves resistance to microcracks, moisture ingress, and extreme weather such as hail or large temperature swings. This build quality extends module lifespan and supports the long-term 30-year power warranty. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/topcon-spdgxxx-n144m10-585-600w-30mm-1b4c3c480d4f.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | +50 W, lighter, +2.0 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | Cooler, lighter, +1.8 pp | | [AIKO AIKO-A640-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a640-mae72mw) | 640 W | +45 W, lighter, +1.8 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | -40 W, lighter, +1.6 pp | | [AIKO AIKO-A635-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a635-mae72mw) | 635 W | +40 W, lighter, +1.6 pp | | [Sunpro Power SPDG575-N132RX10](https://comparepv.com/panel/sunpro-spdg575-n132rx10) | 575 W | -20 W, -0.8 pp | | [Sunpro Power SPDG580-N132RX10](https://comparepv.com/panel/sunpro-spdg580-n132rx10) | 580 W | -15 W, -0.6 pp | | [Sunpro Power SPDG585-N144M10](https://comparepv.com/panel/sunpro-spdg585-n144m10) | 585 W | -10 W, -0.4 pp | | [Sunpro Power SPDG590-N144M10](https://comparepv.com/panel/sunpro-spdg590-n144m10) | 590 W | Very close match | | [Sunpro Power SPDG600-N144M10](https://comparepv.com/panel/sunpro-spdg600-n144m10) | 600 W | Very close match | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | +55 W, lighter, +2.2 pp | | [AIKO AIKO-A630-MAH72Dw](https://comparepv.com/panel/aiko-aiko-a630-mah72dw) | 630 W | +35 W, cooler, +1.4 pp | --- Source: https://comparepv.com/panel/sunpro-spdg595-n144m10 Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.