The North America High Voltage Cables and Accessories Market was valued at USD 5,350 Million in 2025 and is projected to reach USD 9,210 Million by 2035, growing at a CAGR of 5.4% from 2024 to 2035. This market covers products and solutions for transmission and distribution of electricity over long distances, catering to expanding renewable energy projects and rising grid modernization efforts across the region.
The economic impact of tariffs on "North America High Voltage Cables and Accessories Market".
Market Growth Drivers
Significant investments in grid modernization across the United States and Canada are driving demand for high voltage cables and accessories. Companies like Nexans and Prysmian Group are actively collaborating with utilities such as NextEra Energy and Hydro-Québec to upgrade aged grid infrastructures, aiming to improve grid reliability, efficiency, and accommodate increasing power load. Modernization initiatives not only necessitate the replacement of existing lines but also the deployment of advanced high voltage cables capable of supporting greater renewable energy penetration and interconnections between states and provinces.
The accelerating rollout of large-scale renewable energy projects is a major growth stimulus for the market. With aggressive renewable energy targets—such as the U.S. goal of 100% clean electricity by 2035—demand for high capacity transmission lines and compatible accessories continues to rise. Companies like Southwire and General Cable (now part of Prysmian Group) are supplying advanced extra-high voltage solutions to connect wind farms in the Midwest and solar hubs in California to the wider grid, enabling efficient, long-distance power transmission and ensuring grid stability.
Market Trends
Adoption of intelligent monitoring and digitalization technologies is reshaping the high voltage cables and accessories landscape. Market leaders such as Nexans and ABB are integrating smart sensors and real-time data analytics into cable systems, improving preventive maintenance, fault localization, and asset management. This trend caters to utility companies’ need for increased grid reliability, operational efficiency, and lower maintenance costs by predicting anomalies and allowing for rapid response.
A growing shift towards sustainable cable manufacturing practices marks a prominent trend—driven by regulatory and customer demand for environmentally friendly solutions. Manufacturers including Prysmian Group and LS Cable & System are increasingly utilizing recycled materials, halogen-free insulation, and low-carbon production processes for their high voltage cables and accessory offerings. These eco-conscious initiatives not only meet stringent U.S. and Canadian environmental standards but also enhance market competitiveness.
Market Opportunity
The rapid expansion of electric vehicle (EV) charging infrastructure across North America presents a significant opportunity for high voltage cables and accessories suppliers. Companies such as Southwire can capitalize on this growth by providing specialized cables and connectors for high-capacity EV charging stations, supporting nationwide electrification goals.
Interconnection of cross-border power grids between the United States, Canada, and Mexico is emerging as a crucial market opportunity. Nexans and General Cable are well positioned to offer advanced high voltage solutions for transmission links that facilitate renewable energy trade and enhance energy security throughout the region.
North America High Voltage Cables and Accessories Market Revenue (USD Million), 2020-2035
The revenue chart illustrates a steady upward growth trajectory for the North America High Voltage Cables and Accessories market between 2020 and 2035. Starting at USD 3,400 Million in 2020, the market sees sustained growth, reaching USD 5,350 Million in 2025 and accelerating further to USD 9,210 Million by 2035. The cumulative increase in demand stems from rising grid modernization investments, renewable energy interconnection, and robust infrastructure expansion initiatives by governments and utilities across the region. The compound annual growth rate (CAGR) over the forecast period is estimated at 5.4%, signaling strong future prospects for manufacturers and service providers in the high voltage cables segment.
North America High Voltage Cables and Accessories Market by Regions Share (%) 2025
The 2025 regional market share distribution highlights the United States as the dominant player in the North America high voltage cables and accessories market, accounting for approximately 70% of the total market. Canada follows with a 20% share, reflecting robust investments in grid upgrades, while Mexico comprises 6%. The remaining 4% is attributed to smaller North American markets and overseas territories. This distribution underscores the United States' central role, driven by expansive infrastructure projects and aggressive renewable energy adoption, while Canada and Mexico provide increasing opportunities as their grid modernization efforts accelerate.
Recent Developments in High Voltage Cables and Accessories Market (Last 6 Months)
In February 2024, Prysmian Group announced the completion of a major contract to supply underground extra-high voltage cable systems to a new interconnection project in Texas, enabling the integration of over 2 GW renewable energy from wind and solar farms to the state grid. This project is part of an expansion for ERCOT and marks an important milestone in bolstering transmission infrastructure to prevent blackouts and support clean energy growth.
In April 2024, Nexans inaugurated its new North American manufacturing facility in Charleston, South Carolina, dedicated to producing advanced high voltage and extra-high voltage cables. This $80 million investment will increase domestic supply capacity for ongoing and future grid enhancement projects, shortening lead times and aligning with U.S. government efforts to foster supply chain resilience for critical energy infrastructure components.
In March 2024, Southwire launched its latest suite of smart cable monitoring accessories, integrating IoT sensors and cloud-based analytics for live condition monitoring and predictive maintenance. This solution was piloted with a leading Canadian utility and is designed to enhance grid reliability, reduce unexpected outages, and enable data-driven asset management for high voltage transmission networks.
By Type (Overhead, Underground, Submarine, HVDC, HVAC, Accessories), By Application (Power Transmission, Power Distribution, Industrial, Renewable Energy, Infrastructure, Others)
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