High-Voltage and HVDC Power Cable Market, Size, Share, Growth, Future Prospects, and Competitive Analysis, 2025-2033

This report covers high-voltage power cables: the insulated cables, joints and terminations, together with the installation work sold with them, that carry electricity at transmission voltages, generally 66 kilovolts and above, under the ground and under the sea. It includes alternating-current and direct-current systems used for onshore grids, links between countries and the export cables that bring power from offshore wind farms to shore. Medium-voltage cables inside wind farms, distribution cables, overhead lines and submarine telecom cables are excluded.

High-voltage cables are built to order for each project. A copper or aluminium conductor is wrapped in extruded or paper insulation and a metallic sheath, tested at the factory and then laid in trenches, tunnels or along the seabed. High-voltage direct current is used for long submarine routes and for moving large amounts of power over long distances, because it loses less energy than alternating current over those distances.

Grid expansion, interconnectors and offshore wind are the drivers while factory capacity and project risk are restraints

Electricity networks are being expanded and reinforced to connect renewable power, meet rising demand from electrification and data centres, and replace ageing equipment. Transmission system operators in Europe, utilities in China and grid companies in North America are awarding large programmes of underground and submarine links, and cities are moving more high-voltage lines underground.

Interconnectors between countries and export cables for offshore wind farms are the largest source of long-distance cable orders. These projects increasingly use high-voltage direct current, which needs specialised factories, testing and cable-laying vessels, so suppliers have secured multi-year order books and are investing in new plants in Europe, Korea and the United States.

However, capacity is limited. Only a small number of manufacturers can make and install the largest direct-current submarine systems, factories and vessels take years to build, and project delays, permitting, the cost of copper and aluminium, and changes in offshore wind plans can move revenue from one year to the next.

Underground land cables account for the larger share by installation, while submarine and direct-current systems grow faster

The global High-Voltage and HVDC Power Cable market is mainly classified based on installation, current type and application. By installation, the market is segmented into underground (land) and submarine cables. By current type, it is divided into high-voltage alternating current (HVAC) and high-voltage direct current (HVDC). By application, it covers onshore grid transmission, interconnectors, offshore wind export, and power-from-shore, industrial and other uses.

By installation, underground land cables account for the larger share of the market, supported by grid building in China, urban undergrounding and the reinforcement of networks in Europe and North America. Submarine cables are the faster-growing segment, driven by interconnectors and offshore wind, and make up the majority of the order books of the leading European suppliers.

By current type, alternating current remains the larger segment because most land and shorter submarine links use it, while direct current is growing faster as long-distance interconnectors and distant offshore wind connections adopt it. By application, onshore grid transmission is the largest, and interconnectors and offshore wind export together drive most new submarine orders.

Interesting Facts of High-Voltage and HVDC Power Cable Market:

• Submarine power cables are made in continuous lengths that can run for many kilometres without a single joint.
• A single length of submarine cable can weigh thousands of tonnes and is loaded straight from the factory onto a cable-laying vessel.
• High-voltage direct current loses less energy than alternating current over long distances, which is why it is used for long submarine links.
• Most modern high-voltage cables are insulated with cross-linked polyethylene, a plastic that has to be made extremely clean to withstand the voltage.
• Cable factories test each high-voltage cable at a voltage well above the level it will carry in service before it leaves the plant.
• Moving overhead lines underground is common in cities, where there is no room for pylons.

Europe is expected to account for the largest share of the High-Voltage and HVDC Power Cable industry

Europe is expected to hold the largest share of the global market. European transmission system operators are building interconnectors, offshore wind connections and long underground direct-current corridors, and the region is home to three of the largest suppliers, which are expanding factories and vessel fleets to serve these programmes.

Asia-Pacific is a close second. China has the largest land high-voltage cable market, served by many domestic makers, and a growing submarine cable industry for offshore wind; Korea and Japan have major manufacturers that also export to Europe, the Middle East and North America, and grid projects in India, Taiwan, Singapore and Australia add demand.

North America is expected to grow quickly as transmission and offshore projects advance and suppliers build local plants, while the Middle East invests in grid links and power-from-shore projects and Central and South America adds smaller transmission projects.

Global High-Voltage and HVDC Power Cable Market Key Players:

Some of the major competitors in the global High-Voltage and HVDC Power Cable market include Prysmian S.p.A., NKT A/S, Nexans S.A., LS Cable & System Ltd., Sumitomo Electric Industries, Ltd., Furukawa Electric Co., Ltd., Taihan Cable & Solution Co., Ltd., Hellenic Cables S.A. (Cenergy Holdings), Ningbo Orient Wires & Cables Co., Ltd., Zhongtian Technology Submarine Cable Co., Ltd. (ZTT), Jiangsu Hengtong High Voltage Submarine Cable Co., Ltd., Qingdao Hanhe Cable Co., Ltd., Southwire Company, LLC, and Brugg Cables AG.

The High-Voltage and HVDC Power Cable market is moderately concentrated. Prysmian, NKT and Nexans hold a large share of global value and most of the direct-current submarine work, followed by LS Cable & System, Sumitomo Electric, Taihan, Furukawa Electric and Hellenic Cables, while China's land market is shared by many makers such as Orient Cable, ZTT, Hengtong and Qingdao Hanhe. Suppliers compete on factory capacity, testing and installation capability, project execution record and price, and many are investing in new plants, vessels and acquisitions of installation specialists.

The following are some recent market developments:

• In October 2026, Sumitomo Electric raised its full-year forecast for sales of electric power cables, equipment and construction in its first-half results fact book.
• In October 2026, copper prices reached a record monthly average in the World Bank's commodity price series, raising the metal cost of high-voltage cables.
• In March 2026, LS Cable & System reported record sales and operating profit for 2025, led by demand for extra-high-voltage and submarine cables.
• In February 2026, Prysmian signed the contract for Eastern Green Link 4, a subsea electricity interconnector project in the United Kingdom.
• In February 2026, Prysmian completed its acquisition of ACSM, a specialist in submarine cable installation and surveying, announced in January.
• In February 2026, Nexans said its 2026 guidance does not assume execution of the Great Sea Interconnector project, which remains in its order backlog.
• In January 2026, NKT converted booking commitments with SSEN Transmission into firm high-voltage cable orders.
• In December 2025, State Grid published the recommended winners of its sixth 2025 tender for transmission-project substation equipment including cables, completing its centralised purchases for the year.
• In November 2025, LS Cable & System filed a registration statement for a rights offering, part of which will fund its subsea cable plant under construction in Chesapeake, Virginia, due to start production in 2028.

Frequently asked questions about the global High-Voltage and HVDC Power Cable market

Q: What is the current size of the global High-Voltage and HVDC Power Cable market?

Ans: The High-Voltage and HVDC Power Cable market was valued at USD 19.3 billion in 2025 and is projected to reach USD 39.0 billion by 2033, at a CAGR of 9.2% during the forecast period.

Q: What are the key opportunities in the High-Voltage and HVDC Power Cable market?

Ans: Interconnectors between countries, offshore wind export cables, long underground direct-current corridors and new cable factories in North America offer the main opportunities.

Q: What is the primary growth driving factor for the High-Voltage and HVDC Power Cable industry?

Ans: The expansion and reinforcement of electricity grids to connect renewable power and meet rising demand is the main driver.

Q: Which region is expected to have the largest share of the High-Voltage and HVDC Power Cable market?

Ans: Europe is expected to have the largest share, with Asia-Pacific close behind.

Q: Which installation segment will dominate the High-Voltage and HVDC Power Cable market?

Ans: Underground land cables account for the larger share, while submarine cables are growing faster.

1. High-Voltage and HVDC Power Cable Market - Introduction

   1. Market Definition
   2. Research Objective and Scope of the Report

2. High-Voltage and HVDC Power Cable Market - Research Methodology

3. High-Voltage and HVDC Power Cable Market - Executive Summary

   1. Market Snippet, By Installation
   2. Market Snippet, By Current Type
   3. Market Snippet, By Application
   4. Market Snippet, By Region

4. High-Voltage and HVDC Power Cable Market Dynamics

   1. Market Dynamics
      1. Drivers
      2. Restraints
   2. Market Trends & Opportunities
   3. Porter's Five Analysis
   4. Regulatory Analysis
   5. Key Developments
   6. Patent Analysis

5. High-Voltage and HVDC Power Cable Market - Copper Price and Tariff Impact Analysis

6. High-Voltage and HVDC Power Cable Market - By Installation

   1. Introduction
      1. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Installation
      2. Market Attractiveness Index, By Installation
   2. Underground (Land)
      1. Introduction
      2. Market Size Analysis, and Y-o-Y Growth Analysis (%)
   3. Submarine

7. High-Voltage and HVDC Power Cable Market - By Current Type

   1. Introduction
      1. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Current Type
      2. Market Attractiveness Index, By Current Type
   2. High-Voltage Alternating Current (HVAC)
      1. Introduction
      2. Market Size Analysis, and Y-o-Y Growth Analysis (%)
   3. High-Voltage Direct Current (HVDC)

8. High-Voltage and HVDC Power Cable Market - By Application

   1. Introduction
      1. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Application
      2. Market Attractiveness Index, By Application
   2. Onshore Grid Transmission
      1. Introduction
      2. Market Size Analysis, and Y-o-Y Growth Analysis (%)
   3. Interconnectors
   4. Offshore Wind Export
   5. Power-from-Shore, Industrial and Other

9. High-Voltage and HVDC Power Cable Market - By Region

   1. Introduction
      1. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Region
      2. Market Attractiveness Index, By Region
   2. Europe
      1. Introduction
      2. Key Region-Specific Dynamics
      3. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Installation
      4. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Current Type
      5. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Application
      6. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Country (Germany, United Kingdom, Netherlands, Denmark, Norway, Italy, Greece, Rest of Europe)
   3. Asia-Pacific
      1. Introduction
      2. Key Region-Specific Dynamics
      3. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Installation
      4. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Current Type
      5. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Application
      6. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Country (China, South Korea, Japan, India, Taiwan, Australia, Rest of Asia-Pacific)
   4. North America
      1. Introduction
      2. Key Region-Specific Dynamics
      3. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Installation
      4. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Current Type
      5. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Application
      6. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Country (United States, Canada, Mexico)
   5. The Middle East and Africa
      1. Introduction
      2. Key Region-Specific Dynamics
      3. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Installation
      4. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Current Type
      5. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Application
      6. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Country (Saudi Arabia, United Arab Emirates, Qatar, Egypt, Rest of the Middle East and Africa)
   6. Central and South America
      1. Introduction
      2. Key Region-Specific Dynamics
      3. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Installation
      4. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Current Type
      5. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Application
      6. Market Size Analysis, and Y-o-Y Growth Analysis (%), By Country (Brazil, Chile, Rest of Central and South America)

10. Competitive Landscape

    1. Competitive Scenario
    2. Comparative Product Portfolio Analysis
    3. Market Positioning/Share Analysis
    4. Mergers and Acquisitions Analysis
    5. Company Profiles (company overview, product portfolio, financials, SWOT analysis)
       1. Prysmian S.p.A.
       2. NKT A/S
       3. Nexans S.A.
       4. LS Cable & System Ltd.
       5. Sumitomo Electric Industries, Ltd.
       6. Furukawa Electric Co., Ltd.
       7. Taihan Cable & Solution Co., Ltd.
       8. Hellenic Cables S.A. (Cenergy Holdings)
       9. Ningbo Orient Wires & Cables Co., Ltd.
       10. Zhongtian Technology Submarine Cable Co., Ltd. (ZTT)
       11. Jiangsu Hengtong High Voltage Submarine Cable Co., Ltd.
       12. Qingdao Hanhe Cable Co., Ltd.
       13. Southwire Company, LLC
       14. Brugg Cables AG

11. Appendix

    1. About Us and Services
    2. Related Reports
    3. Contact Us

Copper is the main raw material in most high-voltage cables, and its price rose to record levels in 2026. The World Bank's monthly price series shows copper climbing through late 2025 and reaching a new high in October 2026, and the bank's latest forecasts expect prices to stay well above their 2024 and 2025 levels. Aluminium prices also rose.

Higher metal prices raise the value of cable sales but not the volume of cable made. Large projects usually pass metal costs to customers through price-adjustment clauses or hedging, which is why some suppliers also report revenue at fixed standard metal prices; this report values the market at market metal prices, so part of the growth in its value reflects copper. Higher prices also increase the working capital suppliers need and encourage the use of aluminium conductors where the design allows.

In the United States, a proclamation in July 2025 added a tariff on the copper content of imported semi-finished copper products and copper-intensive derivatives from August 2025, and the Commerce Department recommended phased duties on refined copper later in the decade. This raises copper input costs in the United States and adds to the case for local production, as several suppliers are building or expanding cable plants in the country.

This report keeps its forecast on the long-run trend in project demand. The main uncertainties are how long copper stays at record levels, whether cable contracts fully pass on metal costs, and how US trade measures develop.