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Pre-assembled harnesses, less installation effort
Efficiency is a question of preparation. Pre-assembled and precisely labelled HISkon+ cable harnesses reduce installation times and sources of error. Developed for fast integration into utility-scale PV plants on land and on water – without special tools, without offcuts, without compromises.
Now available: HISkon+ ALU
The hybrid copper-aluminium system reduces DC cabling costs by up to 35 % – factory-assembled and developed for large-scale plants.
Time savings
Cable harnesses assembled to length with clear labelling ex works eliminate cutting on site, define the string assignment and shorten installation time.
Cost reduction
Lower installation effort eases the project budget, and precisely fitting lengths avoid offcuts. With HISkon+ ALU, DC cabling costs fall by up to 35 %.
Quality assurance
The connections are made under factory conditions and are tested and documented. This avoids typical installation errors and protects yield from the outset.

We support your project from CAD planning to delivery. Before production starts, we jointly define cable lengths, connector types, string assignment and routing so that every cable harness fits the plant and the project schedule exactly.

Delivered ready for installation and coiled, the cable harnesses only need to be laid out and connected on site. Without special tools, the process is quickly understood by any installation team and is aligned with the construction schedule.

HISkon+ ALU connects copper string cables with aluminium collecting cables via certified, factory-tested Cu-Al transitions. With the same performance, this reduces dependence on the copper price and makes the costing of large-scale plants more predictable.
What HISkon+ means for your role in the project
HISkon+ lays the foundation for predictable, on-schedule project delivery – with project-specific prefabricated cable harness systems, a single system supplier and up to 80 % less installation effort on site.
Total cost reduction
less installation effort
for the entire DC cabling
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Together, we will examine how HISkon+ can reduce effort and costs in your project.

DC cabling with up to 35 % cost advantage
HISkon+ ALU combines copper string cables with aluminium DC collecting cables, connected via certified Cu-Al transition technology. The hybrid cabling system makes targeted use of the strengths of both conductors: copper where flexibility and contact reliability are required, aluminium where length and weight drive costs.
Predictable: The optimised use of both conductor materials reduces DC cabling costs and lowers dependence on the copper price.
Tested: All Cu-Al transitions are crimped and tested at the factory under controlled conditions and arrive at the plant as a ready-to-install plug-&-play unit.
Reduced weight: Lower transport weight reduces logistics costs, especially for floating PV systems (floating PV).
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Witznitz energy park
With nearly 3,000 kilometers of pre-assembled solar cables—equivalent to the distance from Leipzig to Cairo—the Energiepark Witznitz sets new standards in the execution of large-scale PV projects. The successful collaboration between MOVEON Energy and HIS demonstrates how proven technology and a partnership-driven approach enable efficient realization of projects of this scale.
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How GSW and HIS are revolutionising solar park cabling
"When I walk through the plant today and see how smoothly everything is running, it makes me really proud," says Michael Langner with a satisfied smile. As a cabling expert at GSW Gold Solarwind, he knows the challenges of large solar projects only too well. "In the past, cabling was often the point that gave us headaches. Today, it is one of our biggest success factors."
Frequently asked questions about HISkon+
HISkon+ replaces improvisation with clean planning. We define cable lengths, connector types, string assignment and routing together with you before production. This means every cable harness fits your project exactly, with no additional requirements and no offcuts.
HISkon+ is not a more expensive cable solution, but the more cost-effective overall solution. Less work on site, no offcuts and no rework reduce project costs. That is why the comparison is worthwhile at project level rather than for individual components.
The critical connections are not made on the construction site, but at the factory, tested and documented. The clear labelling shows every installation team what goes where, and installation instructions accompany the installation. If you have any questions, we are personally available to you.
Solar cables according to EN 50618, IEC 62930 and TÜV 2PfG 2750, certified connectors and inline fuses as well as crimp connections with tested quality according to IEC 62852 and IEC 61238-1 lay the foundation for swift approval in the project.
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Ready for the design? Get in touch – we will support you from planning to delivery.
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Solutions for utility-scale PV plants
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