Longi LR8-66HGD-605M Bifacial - solar panel 605 W

CL-000764
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Description Longi LR8-66HGD-605M Bifacial

Solar panel Longi LR8-66HGD-605M Bifacial

A panel built for ground-mount arrays

A ground-mount site faces conditions different from a rooftop: constant wind exposure, direct sun with no shading from neighbouring buildings, and occasionally hail or ice in winter. The Longi LR8-66HGD-605M Bifacial is rated for exactly this kind of duty — 605 W at 22.40% module efficiency, in a construction able to take the mechanical loading of a tracker or fixed-tilt steel structure year after year without losing its seal.

Glass-glass as an answer to mechanical load

The double-glass build is noticeably stiffer than a glass-backsheet layup and spreads snow and wind loading across the whole module plane rather than concentrating it at the frame. On a ground-mount site, where panels sit at their own tilt angle and take the full brunt of precipitation with no shelter from adjacent structures, that difference shows up from the first season of operation.

N-type TOPCon and stable output over time

The 132 N-type TOPCon half-cells are essentially free of the light-induced degradation that used to affect early operation; first-year degradation stays at or below 1%, then around 0.4% per year afterward. For an industrial asset with a financial model spanning 25 to 30 years, this flat degradation curve is exactly what makes the payback forecast trustworthy.

Bifacial gain over light ground cover

The 80% ±5% bifaciality factor performs well on ground-mount sites finished with light ground cover beneath the rows — gravel, white geotextile, or bare sandy soil common on many Ukrainian sites. The rear side of the module picks up reflected light that simply is not available in a dense urban rooftop setting.

Electrical parameters suited to long strings

An MPP voltage of 40.40 V and MPP current of 14.98 A, combined with a 1500 V maximum system voltage, allow for long strings feeding industrial-class central or string inverters — a typical layout for multi-megawatt ground-mount plants, where limited inverter inputs make every extra string add to cable routing complexity.

On large ground-mount projects, the economics are calculated across the whole site rather than per module: an IP68 rating, a -40°C to +85°C operating range, and a 30-year performance warranty (~87.4% residual output) all feed into the financial model as a low-failure-risk factor across the term of a power purchase agreement or a self-consumption scheme.

Planning a ground-mount or industrial-scale array? Our team can help work out the right module count of the Longi LR8-66HGD-605M Bifacial for your tracker or fixed structure. Currently in stock, with bulk delivery to site available.

Characteristics Longi LR8-66HGD-605M Bifacial

Bidirectional generation coefficient
80% ±5%
Cell type
N-type TOPCon
Class
Tier-1
Color
Silver
Construction
glass-glass
First year degradation
≤1%
Frame color
Срібний
Further degradation
0.4%/рік
Generation type
Two-way
Maximum system voltage
1500 V
Module efficiency
22.40%
MPP current
14.98 А
MPP voltage
40.40 В
Number of cells
132 half-cell
Operating temperature
from -40 to +85°C
Performance guarantee
30 років (≈87.4%)
Power
605 Вт
Protection class
IP68
Residual capacity 30 years of operation
≈87.4%
Technology
Bifacial, Double Glass, N-type TOPCon
General characteristics
Country of origin
People's Republic of China
Country of origin
People's Republic of China
Guarantee
12 months
Manufacturer
Longi
Overall dimensions
Length
2382 мм.
Thickness
30 mm.
Width
1134 mm.
Physical properties
Material of execution
Скло
Weight
33.5 кг.
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