High-voltage transmission cable systems
Connect power generation, electricity networks, and major centres of demand with reliable onshore and offshore transmission.
- Solutions & Markets
- Markets
- Transmission
Manage complexity across high-voltage transmission routes
Transmission projects need to work across very different conditions. Offshore sections, landfalls, underground corridors, and grid connection points can each introduce their own technical constraints. These requirements need to stay aligned with the wider network and project plan.
NKT can support this coordination through cable-system engineering and installation planning. Our teams can bring route requirements, system interfaces, testing, and commissioning into the same project view. This helps identify constraints earlier and gives the project a clearer technical basis before execution.
Connect critical power infrastructure
Offshore wind connections
Export cable systems carry electricity from offshore wind farms to the onshore transmission network. NKT can support the cable-system design around offshore conditions, landfall requirements, grid interfaces, and installation planning. This helps keep the offshore and onshore parts of the connection aligned.
Interconnectors
Interconnector cable systems connect countries, regions, and power networks. They enable electricity exchange and can strengthen flexibility across interconnected grids. NKT can support both subsea and underground sections, helping align the cable system with the wider transmission route.
Power-from-shore
Power-from-shore cable systems connect offshore installations to electricity supplied from the onshore grid. NKT can support the cable-system design around offshore routing, platform interfaces, and operating requirements. This helps create a transmission connection that fits both the offshore asset and the onshore network.
Grid reinforcement
Underground and subsea cable systems can create new transmission routes or reinforce existing power networks. NKT can support projects where additional capacity, new substation connections, or changes to existing infrastructure are required. Cable-system engineering helps align the route with the wider grid connection.
Select the right HVAC or HVDC transmission technology
High-voltage alternating current and high-voltage direct current cable systems serve different network requirements. HVAC connects with alternating current networks, while HVDC transmits direct current between converter stations or other DC interfaces.
The appropriate technology depends on the project. Power transfer needs and transmission distance are important, but the wider network configuration also matters. Route conditions, electrical losses, route, installation requirements, and operating strategy all influence the final system choice. NKT can support the cable-system assessment for both HVAC and HVDC projects, subject to the agreed technical and contractual scope.
How can lifecycle services reduce transmission cable risk?
Effective lifecycle services can help reduce operational risk and support the long-term reliability of transmission cable systems. Cable testing and condition monitoring provide insight into the system condition. Maintenance planning, fault localisation, and repair preparation help operators plan the right response.
NKT's lifecycle services support asset owners throughout operation. They can help prepare for scheduled and unplanned interventions and support informed maintenance and repair decisions. The service scope depends on the transmission cable system, its condition, location, accessibility, and project requirements.
Enable renewable integration and electrification
Transmission infrastructure connects renewable energy generation with power networks and end users. Offshore wind connections, interconnectors, and grid reinforcement projects support renewable integration and the electrification of industry, transport, and communities.
NKT supports this infrastructure through cable design, manufacturing, and installation expertise. This helps connect new generation with reliable transmission infrastructure for the energy transition.
Technical questions about high-voltage transmission cable systems
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