--- title: "Gamko New Energy GKA210M132-655 Solar Panel: Specs & Datasheet | ComparePV" description: "Gamko New Energy GKA210M132-655 solar panel. Specs: 21.09% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/gamko-new-energy-gka210m132-655" image: "https://comparepv.com/og/panel/gamko-new-energy-gka210m132-655.png" updated: 2026-09-11 --- # Gamko New Energy GKA210M132-655 Middle of its segment, modest efficiency 320 panels in the segment PERC 650-700 W ## Identity - **Manufacturer:** Gamko New Energy - **Model:** GKA210M132-655 - **Series:** GKA210M132 - **Rated power:** 655 W - **Cell technology:** PERC - **Bifacial:** yes ## How it compares Compared against segment PERC 650-700 W (320 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 655 W | 660 W | Weak - bottom 25% | | | Module efficiency | 21.09% | 21.25% | Weak - bottom 22% | 9,587 | | Power density | 210.9 | 212.5 | Weak - bottom 24% | 9,527 | | Temperature coefficient | -0.340 | -0.340 | Typical | 8,846 | | Weight (kg) | 34.0 kg | 34.5 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.09% | 21.25% | Weak - bottom 22% | 9,587 | | Power density | 210.9 | 212.5 | Weak - bottom 24% | 9,527 | | Temperature coefficient | -0.340 | -0.340 | Typical | 8,846 | | Weight per kWp | 51.9 | 52.3 | Typical | 5,352 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Watch out for - **21.09% module efficiency** - Bottom 22% of the PERC 650-700 W segment, against a median of 21.25%. - **210.9 watts per square metre** - Bottom 24% of the PERC 650-700 W segment, against a median of 212.5. - **Best for:** Commercial, utility-scale, shaded-installations and hot-climate. - **Not ideal for:** Tight roof space and roofs where every square metre has to count. ## Specification ### Electrical - **Rated power (Pmax):** 655 W - **Efficiency:** 21.09 % - **Voltage at Pmax (Vmp):** 37.71 V - **Current at Pmax (Imp):** 17.37 A - **Open-circuit voltage (Voc):** 45.12 V - **Short-circuit current (Isc):** 18.66 A ### Temperature - **Temperature coefficient of Pmax:** -0.340 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.040 %/degC - **NOCT:** 43 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 132 - **Bifacial:** yes - **Bifacial gain:** 25.00 ### Physical - **Length:** 2384 mm - **Width:** 1303 mm - **Thickness:** 35 mm - **Weight:** 34.0 kg - **Area:** 3.11 m2 - **Power density:** 210.9 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 84.8 % - **First-year degradation:** 2.00 % - **Annual degradation:** 0.45 % - **Output after 30 years:** 556 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 9587 of 14129 | | Power density | 9527 of 14129 | | Temperature coefficient | 8846 of 14129 | | Weight | 5352 of 14129 | | Warranty | 21 of 14129 | ## Pros - **Bifacial Cells with G12 Wafer Format** - The bifacial design enables energy harvest from the rear side of the module (typical bifacial gain of 5-15% in ground-mounted systems with high-albedo surfaces). The G12 format (210 mm) reduces BoS costs - fewer modules, connectors, and cables are required for the same nameplate power, meaningfully lowering the total installed cost of utility-scale PV projects. - **Efficiency Up to 21.73% - Among Market Leaders** - The top-tier variant GKA210M132-675W achieves 21.73% efficiency, on par with the BYD AURO MSTK-33 (21.73%) and Neo Solar Power NESE-675 (21.73%), and marginally above the Trina Vertex TSM-DE21 (21.70%). This places the series at the very top of the large-format PERC module segment. - **30-Year Power Output Warranty** - The manufacturer provides a 30-year linear power warranty - five years longer than the Trina Solar Vertex TSM-DE21, which guarantees only 84.8% of rated power after 25 years. The extended warranty horizon directly reduces investment risk when calculating LCOE for commercial-scale projects. - **High Mechanical Load Resistance** - The module is certified for a snow load of 5,400 Pa and a wind load of 2,400 Pa (per IEC 61215 / IEC 61730). The 5,400 Pa snow load rating exceeds the 2,400-4,000 Pa typically offered by most second-tier manufacturers, making this series particularly well-suited for installations in heavy-snowfall regions such as Poland and the Alpine countries. - **Half-Cut Cell and Multi-Busbar Technology** - Half-cut cells reduce resistive losses and mitigate the impact of partial shading - with 50% of the module surface shaded, output is maintained at approximately 50% of rated power, compared to near-zero output in a full-cell architecture under the same conditions. Multi-busbar design shortens the current path and lowers internal losses, increasing annual energy yield. ## Cons - **PERC Technology vs. TOPCon** - By 2025, TOPCon had become the new market standard, accounting for more than 70% of global production capacity. PERC cells exhibit higher first-year light-induced degradation (LID) (~2% vs. ~1% for TOPCon) and a slightly higher annual degradation rate (~0.45% vs. ~0.40%), resulting in measurably lower cumulative energy yield over a 30-year project lifetime. Notably, Gamko itself already offers a newer N-type TOPCon series, the GKA210N132 (700-750 W), signaling that the GKA210M132 represents a previous technology generation. - **Not Listed on BNEF Tier 1 (Q1 2026)** - Gamko New Energy does not appear on the BloombergNEF Tier 1 bankability list for Q1 2026. The absence of this status may complicate project financing with independent commercial lenders for installations above 1 MW and limits module acceptance with certain insurers and institutional investors, compared to Tier 1-rated manufacturers such as Trina Solar and BYD. ## About this series The Gamko New Energy GKA210M132 panel series is based on advanced 210 mm cells, which translates into powerful unit power and high module efficiency in all conditions. Thanks to the use of **multi-busbar technology and half-cut cells**, these panels handle shading much more effectively and minimize energy losses resulting from internal resistance. This is a solution dedicated primarily to investors looking to maximize yields from limited roof or ground space. The use of **large-format G12 silicon wafers** allows for a significant reduction in BOS system costs, making this series exceptionally cost-effective for large commercial projects and solar farms. The solid frame construction and tempered glass guarantee high resistance to extreme snow and wind loads, distinguishing the GKA210M132 from standard solutions with lower mechanical strength. The innovative **low temperature coefficient** ensures that the panels maintain high efficiency even on hot days, which is crucial for the Polish climate with increasingly warm summers. By choosing this series, investors gain the assurance of stable system operation for decades, which directly translates into a **faster return on investment** while maintaining the highest standards of electrical safety and component durability. ## Notable figures - Efficiency of 21.1% matches the \*\*PERC 650-700W\*\* median - Power density of 210.9 W/m² matches the \*\*PERC 650-700W\*\* median - At -0.34%/°C, hot weather performance is typical for \*\*PERC 650-700W\*\* panels - #9587 for efficiency, #8846 for temperature performance out of 14129 panels ## Questions ### What is the maximum power output of the Gamko New Energy GKA210M132 panel, and what does that mean in practice? The highest-rated variant in the GKA210M132 series achieves a peak power of 675 Wp. By combining large-format 210 mm (G12) cells with half-cut cell technology, the module delivers more energy from the same roof or ground area. This is particularly relevant on sites with limited space, where every square meter must perform as efficiently as possible. ### Are the GKA210M132 panels bifacial, and do they actually generate power from both sides? Yes, the GKA210M132 series consists of bifacial modules that capture light on both the front and rear surfaces. The rear side harvests radiation reflected from the ground - most effectively from light-colored gravel ballast, white roofing membranes, or snow. Under the right conditions, this translates into an energy yield gain of up to several percentage points compared to a standard monofacial module. ### What warranty does the manufacturer offer on the GKA210M132 series? Gamko New Energy provides a 12-year product warranty covering the physical integrity of the module and a 30-year linear power output warranty. This means the manufacturer guarantees that the module will retain a defined performance level for three decades. The extended power warranty makes it possible to calculate return on investment with precision and to plan installation profitability over a 25- to 30-year horizon. ### Can the Gamko GKA210M132 panels withstand the heavy snowfall typical of Polish winters? The GKA210M132 series is certified for a snow load of 5,400 Pa, which corresponds to a very thick layer of accumulated snow. Tempered glass and a robust aluminum frame provide mechanical strength that significantly exceeds the requirements of typical Polish winters, including mountainous regions. The modules also carry a wind load certification of 2,400 Pa. ### Does the PERC technology used in the GKA210M132 offer any advantages under Poland's frequently overcast skies? PERC (Passivated Emitter and Rear Cell) technology captures a portion of the radiation that would otherwise be lost through the rear surface in conventional cells. Combined with a multi-busbar, half-cut cell configuration, this improves energy harvest under diffuse light conditions typical of overcast days. As a result, GKA210M132 panels maintain relatively strong performance even during Poland's less sunny autumn and spring periods. ### Is the GKA210M132 series suitable for large commercial installations and utility-scale PV farms? Yes, this is one of the primary use cases for the series. The large G12 (210 mm) cell format means fewer modules are required to reach a target capacity, which directly reduces balance-of-system (BoS) costs - including cabling, mounting structures, and labor. For investors planning utility-scale farms or large rooftop systems above 100 kWp, the GKA210M132 can deliver a meaningfully lower cost per installed kilowatt. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/9-1db487d63afa.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | Cooler, lighter, +4.1 pp | | [AIKO AIKO-A680-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a680-mde72mw) | 680 W | Cooler, lighter, +4.1 pp | | [AIKO AIKO-A675-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a675-mde72mw) | 675 W | Cooler, lighter, +3.9 pp | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | Cooler, lighter, +3.9 pp | | [AIKO AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | 700 W | +45 W, cooler, +3.9 pp | | [WINAICO WST-675BKX72-A2](https://comparepv.com/panel/winaico-wst-675bkx72-a2) | 675 W | +20 W, cooler, +3.9 pp | | [AIKO AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 W | +40 W, cooler, +3.8 pp | | [AIKO AIKO-G670-MCH72Mw](https://comparepv.com/panel/aiko-aiko-g670-mch72mw) | 670 W | Cooler, lighter, +3.7 pp | | [Gamko New Energy GKA210M132-660W](https://comparepv.com/panel/gamko-new-energy-gka210m132-660w) | 660 W | Very close match | | [Gamko New Energy GKA210M132-665W](https://comparepv.com/panel/gamko-new-energy-gka210m132-665w) | 665 W | +10 W, +0.3 pp | | [Gamko New Energy GKA210M132-670W](https://comparepv.com/panel/gamko-new-energy-gka210m132-670w) | 670 W | +15 W, +0.5 pp | | [Gamko New Energy GKA210M132-675W](https://comparepv.com/panel/gamko-new-energy-gka210m132-675w) | 675 W | +20 W, +0.6 pp | | [AIKO AIKO-A805-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a805-grh78dw) | 805 W | +150 W, cooler, +4.0 pp | | [AIKO AIKO-A800-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a800-grh78dw) | 800 W | +145 W, cooler, +3.8 pp | | [AIKO AIKO-A795-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a795-grh78dw) | 795 W | +140 W, cooler, +3.7 pp | | [AIKO AIKO-A790-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a790-grh78dw) | 790 W | +135 W, cooler, +3.5 pp | --- Source: https://comparepv.com/panel/gamko-new-energy-gka210m132-655 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.