Underground Cables Market (2026 - 2033) Size, Share & Trends Analysis Report By Type (Low Voltage Cables, Medium Voltage Cables, High Voltage Cables), By Installation Type (Direct Buried, Duct, Submarine, Utilities), By End Use (Residential, Commercial), And Segment Forecasts

Underground Cables Market Summary

The global underground cables market size was valued at USD 84.00 billion in 2025 and is projected to reach USD 115.91 billion by 2033, growing at a CAGR of 4.1% from 2026 to 2033. The market is driven by increasing investments in underground power transmission infrastructure, rapid urbanization and smart city initiatives, growing integration of renewable energy sources into power grids, rising demand for grid modernization and resilient electricity networks, increasing replacement of aging overhead transmission systems, and supportive government policies promoting safer and more reliable power distribution infrastructure.

The underground cables market is witnessing significant growth, driven by increasing investments in modernizing power transmission and distribution infrastructure across urban and semi-urban regions. Rapid urbanization and the expansion of smart city projects are encouraging the deployment of underground cable networks to improve reliability and reduce visual pollution. In addition, the growing integration of renewable energy sources, such as solar and wind, into national grids is driving strong demand for efficient and secure underground power connectivity. Governments and utilities are also focusing on replacing aging overhead transmission lines with underground systems to enhance grid resilience and minimize power outages caused by extreme weather events. Furthermore, supportive regulatory frameworks and rising investments in grid modernization are expected to accelerate the adoption of underground cable solutions globally over the forecast period.

The increasing demand for reliable and resilient power transmission infrastructure is a key factor driving the growth of the underground cables market. The rising pace of urbanization and the expansion of smart city projects are encouraging utilities to deploy underground cable networks to enhance grid stability and reduce visual clutter. In addition, the growing integration of renewable energy sources such as solar and wind into national grids is creating substantial demand for efficient underground power connectivity. Governments and power utilities are also focusing on replacing aging overhead transmission lines with underground systems to improve safety and minimize disruptions caused by extreme weather conditions. Furthermore, increasing investments in grid modernization and supportive regulatory initiatives are expected to accelerate the adoption of underground cable infrastructure during the forecast period.

The growing demand for reliable and uninterrupted power transmission is significantly driving the expansion of the underground cables market. Increasing urbanization and the development of smart cities are encouraging utilities to adopt underground cable infrastructure to enhance grid reliability and reduce visual congestion. Additionally, the rising integration of renewable energy sources such as solar and wind into national power grids is creating strong demand for efficient underground transmission networks. Governments and utility providers are also increasingly replacing aging overhead lines with underground systems to improve safety and minimize disruptions caused by extreme weather events. Furthermore, growing investments in grid modernization and supportive regulatory frameworks are expected to accelerate the adoption of underground cable solutions over the forecast period.

Component Insights

The low-voltage cables segment led the market in 2025, accounting for over 45% of global revenue, driven by the accelerating electrification of buildings and urban infrastructure worldwide. A key trend shaping the segment is the increasing deployment of smart buildings and energy-efficient power distribution systems in residential and commercial developments. The expansion of electric vehicle charging infrastructure and distributed renewable energy installations is also creating sustained demand for low-voltage cable networks. Additionally, governments and utilities are prioritizing grid modernization and last-mile electricity connectivity to support growing power consumption. These trends are strengthening the role of low-voltage cables in enabling reliable and efficient power distribution in modern energy ecosystems.

The high voltage cables segment is expected to experience significant growth during the forecast period, owing to the increasing demand for long-distance power transmission and large-scale grid expansion projects worldwide. A key trend driving the segment is the rapid deployment of renewable energy infrastructure, particularly offshore wind and solar power plants that require high-capacity transmission networks. Governments and utilities are also investing heavily in high-voltage underground and HVDC cable systems to improve grid efficiency and reduce transmission losses. In addition, cross-border electricity interconnection projects are accelerating the adoption of advanced high-voltage cable technologies. These trends are positioning high-voltage cables as a critical component of modern power transmission and energy transition strategies.

Installation Type Insights

The direct-buried segment accounted for the largest market share in 2025, driven by the growing preference for cost-efficient, reliable underground cable installation methods in power distribution networks. A key trend supporting this segment is the increasing deployment of underground electricity infrastructure in urban areas to enhance grid reliability and minimize visual and environmental impact. Utilities are also adopting direct buried cable systems to accelerate project implementation and reduce installation complexity compared to duct-based systems. The expansion of smart grids and the integration of renewable energy are further encouraging the use of durable underground cable solutions. These developments are strengthening the adoption of direct buried installation methods in modern power transmission and distribution networks.

The submarine segment is expected to record strong growth over the forecast period, owing to the rapid expansion of offshore wind energy projects and cross-border power interconnection initiatives. A key trend driving this segment is the increasing deployment of high-voltage submarine cable systems to transmit electricity from offshore renewable energy installations to onshore grids. Governments and utilities are also investing in subsea transmission infrastructure to strengthen regional energy connectivity and improve grid reliability. In addition, rising electricity demand and the need for long-distance power transmission across seas and waterways are accelerating the deployment of submarine cables. These trends are positioning submarine cables as a critical component of global energy transition and renewable power integration strategies.

End Use Insights

The industrial segment accounted for the largest market revenue share in 2025, driven by the rising demand for reliable power infrastructure across manufacturing facilities, refineries, and large-scale industrial complexes. A key trend influencing this segment is the increasing electrification of industrial operations and the expansion of energy-intensive industries such as chemicals, metals, and mining. Industrial facilities are increasingly adopting underground cable systems to enhance power reliability and minimize operational disruptions. In addition, the development of industrial parks and special economic zones is creating strong demand for advanced underground power distribution networks. These trends are reinforcing the importance of underground cable solutions in supporting modern industrial infrastructure.

The healthcare segment is expected to register an impressive CAGR over the forecast period, driven by widespread adoption of underground cable systems for power transmission and distribution infrastructure. A key trend supporting this segment is the increasing investment by utility providers in grid modernization and resilient electricity networks. Utilities are increasingly replacing aging overhead lines with underground cables to improve reliability and reduce disruptions from extreme weather events. The expansion of renewable energy generation and the need for efficient power delivery are also accelerating underground cable deployment. These trends are strengthening the role of utility companies as the primary adopters of underground cable infrastructure worldwide.

Regional Insights

North America underground cables industry accounted for a significant revenue share in 2025, driven by rising investments in grid modernization and resilient power infrastructure. Utilities are increasingly deploying underground cable systems to protect electricity networks from extreme weather events and wildfires. Government initiatives supporting the upgrade of aging transmission and distribution networks are further accelerating adoption. These factors are boosting demand for reliable underground power transmission solutions across the region.

Europe Underground Cables Market Trends

The Europe underground cables industry is expected to witness significant growth over the forecast period, supported by increasing renewable energy integration and grid expansion projects. Countries across the region are investing in underground cable infrastructure to connect offshore wind and solar power facilities to national grids. Environmental regulations and urban planning policies are also encouraging the replacement of overhead lines with underground systems. These developments are driving strong demand for advanced underground transmission technologies in Europe.

Asia Pacific Underground Cables Market Trends

The Asia Pacific underground cables industry holds the largest share, accounting for over 37% of the revenue share in 2025, owing to rapid urbanization and large-scale power infrastructure development. Governments across the region are investing in smart grids and modern electricity distribution networks. Growing renewable energy projects are also increasing the need for reliable underground transmission systems. As a result, demand for high-capacity underground cable installations is rising across urban and industrial areas.

China Underground Cables Market Trends

The China underground cables industry is expanding steadily, driven by major investments in power grid expansion and renewable energy projects. The country is developing high-voltage transmission networks to deliver electricity from renewable energy hubs to urban centers. Rapid urban development is encouraging the replacement of overhead lines with underground cable infrastructure. Government support for modern and resilient power systems continues to accelerate underground cable deployment nationwide.

Key Underground Cables Company Insights

Some key players in the underground cables market, such as Prysmian S.p.A., Nexans S.A., Sumitomo Electric Industries, Ltd., LS Cable & System Ltd., NKT A/S. and among others.

• Prysmian S.p.A. is one of the prominent manufacturers of energy and telecommunications cables, headquartered in Italy. The company provides advanced cable systems for power transmission, distribution, and industrial infrastructure projects across global markets. Prysmian specializes in high-voltage and extra-high-voltage underground cable systems, including HVDC technologies used for long-distance electricity transmission and renewable energy integration. Its strong project execution capabilities and global manufacturing network position the company as a key player in large-scale underground power infrastructure projects.

• Nexans S.A. is a France-based global provider of electrification solutions and advanced cable systems for energy infrastructure. The company operates an extensive portfolio of products serving power utilities, industrial sectors, and building applications worldwide. Nexans specializes in medium-voltage and high-voltage underground power cables used in grid modernization, renewable energy projects, and urban electricity distribution networks. Through continuous innovation and investments in sustainable electrification technologies, the company plays a significant role in strengthening underground power transmission systems globally.

Recent Developments

• In February 2026, Nexans S.A. secured a Euro 600 million, seven-year framework contract with Enedis to supply medium-voltage cables for France’s electricity distribution network. The agreement covers the delivery of cables used in the 20 kV underground power grid, supporting network expansion and modernization initiatives. Deliveries are scheduled to begin in the first quarter of 2026, with annual supply volumes expected to increase compared to the previous contract. The project will support renewable energy integration, electric vehicle infrastructure, and the strengthening of France’s underground electricity network.

• In September 2025, Sumitomo Electric Industries appointed Kinectrics to conduct commissioning testing for the A-Nord high-voltage direct current (HVDC) underground power transmission project in Germany. This project features a 525 kV HVDC underground cable system intended to transmit renewable energy from the North Sea to the North Rhine-Westphalia region. Kinectrics is responsible for specialized testing to validate the performance and reliability of the underground transmission system prior to its operation. The project contributes to Germany’s energy transition by enhancing grid infrastructure and facilitating the large-scale integration of renewable energy.

• In April 2025, LS Cable & System secured a USD 137 million contract from Singapore PowerGrid to supply high-voltage power cables for a key energy infrastructure project in Singapore. The agreement includes the supply of 230 kV cables for an underground power transmission section within the country’s electricity network. Under the contract, the company will oversee the manufacturing, construction, and installation of the cable system. The project supports regional energy connectivity and the transmission of renewable electricity from Indonesia to Singapore.

Underground Cables Market Report Scope

Global Underground Cables Market Report Segmentation

This report forecasts revenue growth at global, regional, and country levels and provides an analysis of the latest industry trends in each of the sub-segments from 2021 to 2033. For this study, Grand View Research has segmented the global Underground cables market report based on type, installation type, end use, and region.

• Type Outlook (Revenue, USD Billion, 2021 - 2033)

  • Low Voltage Cables

  • Medium Voltage Cables

  • High Voltage Cables

• Installation Type Outlook (Revenue, USD Billion, 2021 - 2033)

  • Direct Buried

  • Duct

  • Submarine

• End Use Outlook (Revenue, USD Billion, 2021 - 2033)

  • Residential

  • Commercial

  • Industrial

  • Utilities

• Regional Outlook (Revenue, USD Billion, 2021 - 2033)

  • North America

    • U.S.

    • Canada

    • Mexico

  • Europe

    • UK

    • Germany

    • France

  • Asia Pacific

    • China

    • India

    • Japan

    • Australia

    • South Korea

  • Latin America

    • Brazil

  • MEA

    • UAE

    • South Africa

    • KSA