JinkoSolar Launches Lightweight Solar Modules for Low-Load Roofs
Over the weekend, Chinese solar manufacturing giant JinkoSolar introduced a groundbreaking lightweight solar module specifically designed for roofs with low load-bearing capacities, achieving a module efficiency of nearly 25 per cent.
The newly released JinkoSolar “Light Diamond” solar modules weigh just 16.2 kilograms and come in dimensions of 1,980mm by 1,134mm by 30mm. This results in a weight density of 7 kg/m², representing a significant 40 per cent reduction in weight when compared to traditional double-glass modules, which typically weigh around 12.2 kg/m².
Advanced Materials for Enhanced Performance
Utilising ultra-light glass measuring 1.6mm, JinkoSolar successfully reduces the overall weight without compromising on light transmittance. Additionally, the module’s frame features a reinforced channel design, increasing its thickness to bolster mechanical strength.
For a 1 megawatt (MW) installation, the total weight amounts to only 28.6 tonnes, which is approximately 20 tonnes lighter than conventional back-contact double-glass modules.
“This innovation allows numerous roofs that previously required reinforcement or were deemed unsuitable for solar panel installation to now support direct fitting without any structural changes,” JinkoSolar proudly stated.
Robust Design and Efficiency
JinkoSolar employs a reinforced adhesive film in the encapsulation process, greatly enhancing sealing performance and resistance to humidity, heat, and microcracking.
The modules boast an impressive maximum front-side load capacity of 3,600 Pa, able to endure the equivalent of 3.6 metres of snow. They can also withstand impacts from hailstones of up to 25mm without sustaining damage. The backside permits a maximum load capacity of 2,400 Pa, which can endure winds equivalent to Category 12 storms.
Every module is designed for a maximum power output of 560 W and achieves a maximum efficiency of 24.94 per cent. With a temperature coefficient of -0.26%/°C, JinkoSolar ensures that first-year degradation will not exceed 1 per cent, followed by an annual degradation rate of only 0.35 per cent.
These specifications stand out when compared to traditional flexible or back-contact composite modules, which generally sacrifice performance for weight, with maximum power outputs ranging between 450 and 460 W.
Cost Efficiency and Longevity
With the higher power output, fewer modules are necessary, allowing for a reduction in overall balance of system (BoS) costs of 3 to 5 per cent.
Furthermore, JinkoSolar backs their new solar module with an impressive 30-year power warranty, which is 12 to 15 years longer than warranties offered for comparable flexible or composite alternatives.
