--- title: "Gokin GK-5-60HG-540M 540W Solar Panel - Specs & Review | ComparePV" description: "Gokin GK-5-60HG-540M 540W solar panel. Specs: 24.40% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/gokin-gk-5-60hg-540m" updated: 2026-09-11 --- # Gokin GK-5-60HG-540M Efficiency leader, no clear weak spot 266 panels in the segment Back Contact 440-640 W ## Identity - **Manufacturer:** Gokin - **Model:** GK-5-60HG-540M - **Series:** GK-5-60HG - **Rated power:** 540 W - **Cell technology:** Back Contact ## How it compares Compared against segment Back Contact 440-640 W (266 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 540 W | 482 W | Typical | | | Module efficiency | 24.40% | 23.50% | Strong - top 6% | 99 | | Power density | 243.7 | 235.0 | Strong - top 7% | 130 | | Temperature coefficient | -0.260 | -0.260 | Typical | 511 | | Weight (kg) | 23.3 kg | 23.5 kg | Strong - top 7% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 24.40% | 23.50% | Strong - top 6% | 99 | | Power density | 243.7 | 235.0 | Strong - top 7% | 130 | | Temperature coefficient | -0.260 | -0.260 | Typical | 511 | | Weight per kWp | 43.1 | 47.3 | Strong - top 7% | 267 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **24.40% module efficiency** - Top 6% of the Back Contact 440-640 W segment, against a median of 23.50%. Ranked 99th in the whole database. - **243.7 watts per square metre** - Top 7% of the Back Contact 440-640 W segment, against a median of 235.0. Ranked 130th in the whole database. - **43.1 kg per kWp** - Top 7% of the Back Contact 440-640 W segment, against a median of 47.3. Ranked 267th in the whole database. - **Best for:** Commercial and hot-climate. ## Specification ### Electrical - **Rated power (Pmax):** 540 W - **Efficiency:** 24.40 % - **Voltage at Pmax (Vmp):** 38.70 V - **Current at Pmax (Imp):** 13.95 A - **Open-circuit voltage (Voc):** 45.82 V - **Short-circuit current (Isc):** 14.53 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.260 %/degC - **Temperature coefficient of Voc:** -0.220 %/degC - **Temperature coefficient of Isc:** 0.050 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** Back Contact - **Cell count:** 120 ### Physical - **Length:** 1954 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 23.3 kg - **Area:** 2.22 m2 - **Power density:** 243.7 Wp/m2 ### Warranty and degradation - **Product warranty:** 15 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 88.8 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.35 % - **Output after 30 years:** 480 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 99 of 14005 | | Power density | 130 of 14005 | | Temperature coefficient | 511 of 14005 | | Weight | 267 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Up to 24.4% Efficiency — Benchmark Leader** - The peak efficiency of 24.4% exceeds all available peer comparables: Horay Solar HS 199R-120 TC-D Delta (23.1%), DMEGC GHxxxM10T-B66HST (20.9%), and Heliene 144HC M10 SL Bifacial (20.9%). This translates directly into higher energy yield from a constrained roof area without increasing the module count. - **N-type TOPCon Technology — Lower Degradation** - N-type TOPCon cells exhibit virtually zero LID (Light-Induced Degradation) compared to P-type PERC technology, with annual power degradation estimated at ≤0.4%/year vs. ≥0.55%/year for PERC. Over a 30-year system lifetime, this results in a cumulatively higher energy yield of several percentage points. - **30-Year Linear Power Warranty** - The manufacturer provides a 30-year linear performance warranty — consistent with the standard set by leading premium brands such as LONGi and JA Solar. Peer comparable DMEGC offers an equivalent warranty horizon, while the linear (non-stepped) structure ensures predictable energy yield forecasts for externally financed projects. - **Broad Power Range — 9 Variants from 500 to 540 Wp** - The availability of 9 variants spanning 500–540 Wp simplifies project optimization with respect to module count, inverter parameters, and structural roof constraints, without the need to source additional series. - **Active Product Line — Launched 2024, Currently in Production** - The GK-5-60HG series was introduced in 2024 and remains in active production, ensuring module availability for system expansions and uninterrupted warranty support — a critical consideration for phased investment projects. ## Cons - **No Tier 1 Status / Bankability Not Established** - According to manufacturer data, Gokin Solar does not appear on the bankable manufacturers list (tier\_1\_bankable: false). The company only appeared on PV Tech's Tier 1 list in April 2026, meaning its documented track record is extremely short. For projects requiring bank financing (project finance, leasing), the lack of an established Tier 1 status may result in application rejection or demands for additional collateral. - **15-Year Product Warranty — Below Premium Tier Standard** - Premium-tier manufacturers (LONGi Hi-MO 6, JA Solar DeepBlue 4.0, Canadian Solar HiKu7) standardly offer a 25-year product warranty. The Gokin GK-5-60HG provides only 15 years — meaning that in the event of a mechanical defect or delamination after year 16, replacement costs fall entirely on the system owner. - **Monofacial Module — No Bifacial Energy Gain** - The GK-5-60HG series is a monofacial module (is\_bifacial: false). The peer comparable Heliene 144HC M10 SL Bifacial, at the same peak power (540 Wp), can deliver an additional 5–15% energy yield in ground-mounted installations or on rooftops covered with light-colored membranes — applications that represent a growing share of the Polish C&I segment. ## About this series The Gokin GK-5-60HG solar panel series is based on advanced **N-type TOPCon** technology, which redefines efficiency standards in modern installations. A key advantage of these modules is their ability to generate energy at low light intensity, which in the Polish climate allows for extending the effective operation period of the system during the day. The utilized **bifacial cells** enable harvesting additional power from radiation reflected off the ground, making this series unrivaled for installations on ground-mounted systems and flat roofs covered with light-colored membranes. Designers focused on effectively solving the cell degradation problem, thanks to which users gain an almost complete **lack of LID effect** and minimal power drop after many years of operation. The GK-5-60HG series stands out from the competition with an excellent temperature coefficient, which means stable power production even during hot summers. **Reinforced double-glass construction** guarantees exceptional durability and protection against micro-cracks caused by strong winds or heavy snow. This solution is dedicated to demanding investors and companies that focus on **maximum return on investment** and failure-free operation for decades, offering energy stability impossible to achieve using older P-type technologies. ## Notable figures - At 24.4% efficiency, this panel is 0.7pp above typical \*\*Back Contact 500-550W\*\* modules (median: 23.7%) - At 243.7 W/m² power density, this panel generates 6.6 W/m² more per unit area than \*\*Back Contact 500-550W\*\* median (237.1 W/m²) - At -0.26%/°C, hot weather performance is typical for \*\*Back Contact 500-550W\*\* panels - In the top 1% for efficiency among all Back Contact panels ## Questions ### What warranty does the Gokin GK-5-60HG series come with and what does it cover? The GK-5-60HG series includes a 15-year product warranty covering material and workmanship defects, plus a 30-year linear power output warranty. After 30 years of operation, the module is guaranteed to retain the manufacturer-specified percentage of its nominal 540 Wp output. N-type TOPCon technology virtually eliminates LID (light-induced degradation), helping maintain power output throughout the full warranty period. ### How does the N-type TOPCon technology in the GK-5-60HG compare to older P-type PERC panels? N-type TOPCon cells offer higher conversion efficiency, a lower temperature coefficient, and virtually zero LID compared to mainstream P-type PERC modules. This means the GK-5-60HG loses less power on hot summer days and degrades more slowly over years of operation, resulting in a higher cumulative energy yield over the full 30-year power warranty period. ### Do Gokin GK-5-60HG panels perform well in overcast conditions or during low-irradiance winter days? Yes. N-type TOPCon modules are well-suited for low-irradiance conditions, which is particularly relevant in climates with frequent cloud cover. Compared to older P-type technology, a GK-5-60HG-based system can generate more energy during morning hours, evening hours, and overcast days, improving the annual energy yield of the installation. ### How does the reinforced dual-glass construction of the GK-5-60HG affect long-term durability in harsh weather? The dual-glass design replaces the standard backsheet with a tempered glass rear layer, making the module resistant to moisture ingress, UV exposure, and microcracks caused by snow load or high wind pressure. This is especially valuable in climates with heavy snowfall and freeze-thaw cycles. Before installation, verify the exact module weight in the datasheet, as dual-glass construction adds mass compared to standard single-glass modules. ### What is the peak power output of the Gokin GK-5-60HG and how does high temperature affect it in summer? The GK-5-60HG has a nominal peak power (Pmax) of 540 Wp, measured under STC conditions (1000 W/m², 25°C). Thanks to the favorable temperature coefficient of N-type TOPCon technology, the module loses less power on hot days than comparable P-type PERC panels. Minimal LID means real-world output after the first season of operation stays close to the nameplate rating. ### Is Gokin a reliable solar panel manufacturer and what should I check before buying the GK-5-60HG series? Gokin Solar is a Chinese manufacturer founded in 2019 that ranked 17th globally in PV module shipments in 2025 according to the Solarbe ranking. The manufacturer is not currently listed as a Tier 1 supplier by major rating agencies. Before purchasing, verify the availability of warranty service in your region, the financial stability of the local importer, and the enforceability of both the 15-year product warranty and the 30-year power output warranty. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/GK-5-60HG_EN-202504-V01-13623957e07a.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | -30 W, cooler, +0.6 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | -45 W, lighter, +0.4 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | +20 W, heavier, +0.4 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | -35 W, cooler, +0.3 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | +15 W, heavier, +0.2 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | -50 W, lighter | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | -40 W, cooler | | [Gokin GK-5-60HG-500M](https://comparepv.com/panel/gokin-gk-5-60hg-500m) | 500 W | -40 W, -1.8 pp | | [Gokin GK-5-60HG-505M](https://comparepv.com/panel/gokin-gk-5-60hg-505m) | 505 W | -35 W, -1.6 pp | | [Gokin GK-5-60HG-510M](https://comparepv.com/panel/gokin-gk-5-60hg-510m) | 510 W | -30 W, -1.4 pp | | [Gokin GK-5-60HG-515M](https://comparepv.com/panel/gokin-gk-5-60hg-515m) | 515 W | -25 W, -1.2 pp | | [Gokin GK-5-60HG-520M](https://comparepv.com/panel/gokin-gk-5-60hg-520m) | 520 W | -20 W, -0.9 pp | | [Gokin GK-5-60HG-525M](https://comparepv.com/panel/gokin-gk-5-60hg-525m) | 525 W | -15 W, -0.7 pp | | [Gokin GK-5-60HG-530M](https://comparepv.com/panel/gokin-gk-5-60hg-530m) | 530 W | -10 W, -0.5 pp | | [Gokin GK-5-60HG-535M](https://comparepv.com/panel/gokin-gk-5-60hg-535m) | 535 W | -0.3 pp | | [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | +10 W, lighter | --- Source: https://comparepv.com/panel/gokin-gk-5-60hg-540m Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.