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475Wp
Gokin Review

GK-5-54HG-475M

Monocrystalline
23.80%
Efficiency
238.4 Wp/m²
Power Density
-0.260%/°C
Temp. Coeff. Pmax chart
422W from 475W
Power after 30 years
  • At 23.8% efficiency, this panel is on par with typical Back Contact 450-500W modules
  • Power density of 238.4 W/m² packs 3.2 W/m² more into the same footprint vs Back Contact 450-500W median (235.2 W/m²)
  • At -0.26%/°C, hot weather performance is typical for Back Contact 450-500W panels
  • #306 for efficiency, #457 for temperature performance out of 11672 panels
Performance Profile
Price Offers 0
Shop Country Price Price/kWp
Series GK-5-54HG 9 variants
Efficiency Range 22.3% - 24.3%
Avg. Efficiency 23.32%
Technology Back Contact
Dimensions 1757 × 1134 mm
Show series description

The Gokin GK-5-54HG series of photovoltaic panels utilizes advanced N-type TOPCon cell technology, which allows for significantly higher efficiency than traditional P-type modules. Thanks to the bifacial double-glass design, these panels are able to absorb light reflected from the ground, which directly translates into higher annual energy yields, even in lower sunlight conditions. The use of double glass solves the problem of micro-cracks and cell corrosion, which significantly extends the lifespan of the entire installation and ensures investment security for years. This series stands out with a low power degradation rate, meaning that the modules maintain nearly nominal performance for a very long time. Gokin GK-5-54HG is a solution dedicated primarily to demanding residential installations and large PV farms, where maximizing production from every square meter is key. Compared to standard competitors, this series offers better thermal stability, operating more efficiently during summer heat. The compact 54-cell format makes the modules lightweight and handy, which facilitates logistics and installation on roofs with complex geometry, without losing strength parameters. This is a substantive choice for professionals who prioritize innovation and durability of photovoltaic components.

Panels from the same series differ mainly in power output while having identical dimensions. Learn why →
Electrical Parameters (STC)
Nominal Power (Pmax)475 Wp
Module Efficiency23.80%
Voltage at Max Power (Vmpp)34.80 V
Current at Max Power (Impp)13.66 A
Open Circuit Voltage (Voc)41.24 V
Short Circuit Current (Isc)14.36 A
Max System Voltage1500 V
Temperature Coefficients
Temp. Coeff. Pmax-0.260%/°C
Temp. Coeff. Voc-0.220%/°C
Temp. Coeff. Isc0.050%/°C
NOCT45°C
Cell Technology
Cell TypeMonocrystalline
Cell Count108
BifacialNo
Bifaciality Factor-
Dimensions & Weight
Length1757 mm
Width1134 mm
Height30 mm
Weight21.0 kg
Area1.99 m²
Power Density238.4 Wp/m²
Warranty
Product Warranty15 years
Performance Warranty30 years
End-of-Warranty Output88.8%
First Year Degradation1.00%
Annual Degradation0.35%/year
Key Specifications
23.80%
Efficiency
475 Wp
Power
-0.26%/°C
Temp Coeff
30 yrs
Warranty