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Global Underground and Subsea HV and EHV Cables Market Report 2021: Suppliers are Developing New Technology with Higher Voltage cables and Thinner Dielectric Insulation -

·4-min read

DUBLIN, December 02, 2021--(BUSINESS WIRE)--The "World Markets for HV and EHV Cables: Underground and Subsea Cable Market Report Ed 2 2021" report has been added to's offering.

A comprehensive report on the current usage, consumption, future demand and supply of EHV and HV cable, both underground and subsea, throughout the world. Current installations of underground and subsea cable - analysed by voltage and by km of cable. Market forecasts for EHV & HV underground and subsea in km of cable and $ value, 2021 to 2026.

The market for HV and EHV cable is changing, on both the supply and demand sides. Suppliers are developing new technology with higher voltage cables and thinner dielectric insulation.

On the demand side, regulation is being enacted for the new generation of EHV transmission corridors, city networks and environmental hazards. User practices are changing. Maritime grids are being constructed, with large scale offshore substations and HVAC/HVDC converter stations linking multiple arrays of wind turbines.

Platforms are moving further from shore, with longer EHV export cables; wind farms are becoming larger with more turbines of higher capacity, with longer array cables and HV instead of MV. These issues are identified and discussed.

Opportunities for HV land-based underground cable - underground amounts to 17.4% of total network mileage and 2.4% of the HV networks. Globally, transmission is in a phase of growth and modernisation involving large expenditures. Many national studies have outlined the pros and cons and made recommendations for EHV & HV underground and identified cases for full and partial undergrounding. The report lists these opportunities and relevant national policies which will shape future markets.

Opportunities for HV subsea cable - The current state of the three major subsea cable segments are outlined and future developments are flagged; land and island connections, offshore wind power, oil & gas power from shore and umbilicals. The report identifies the growth areas including trends from MV cable to HV.

The technologies of HV and EHV underground and subsea cables are outlined; high-pressure fluid-filled pipe (HPFF), high-pressure gas-filled pipe (HPGF), self-contained fluid-filled (SCFF)/mass impregnated MI, EPR and XLPE dielectric insulated cable. The differences of technology are outlined, with advantages and disadvantages for each type, with historical and present usage trends.

New HV technologies are being commercialised; Superconductors are already well established in medical robotics, and are starting to be installed in power transmission applications; GTW - Gas to Wire, is being promoted and the first project is about to take off, converting gas to electricity at the offshore platform site and transporting it to land grid via offshore wind export cables, using surplus capacity. Manufacturers are pushing the boundaries to develop thinner cables and higher voltages for EHV and HV dielectric cables.

Global market shares, European market shares, for land-based UGC and subsea HV and EHV cable:

Production of HV and EHV cable is a complex process taking quite a long time and demanding continuous monitoring. Several of the leading international manufacturers were unwilling to divulge production capacity. The publisher has assessed capacity on a regional basis, from company reports, from actual production and estimated utilisation.

Production of subsea cable is more complicated than for underground cable, requiring longer cable lengths and additional mechanical protection. Subsea cable is ordered as a customised product with longer lead times than underground cable.

Suppliers of subsea cable are outlined. Production capacity is still limited, but new entrants are coming into the market in regions where the subsea cable is starting a growth trend.

Rights of Way are critical in deciding between overhead lines and underground cables. Combined with EMF - electromagnetic fields - the issue may not always be clear cut and is subject to increasing regulation. Parts of UGC paths produce higher EMF than overhead aerial lines. These issues are discussed in the report.

Company profiles of key HV and EHV cable players:

  • Prysmian

  • General Cable (Prysmian)

  • Nexans

  • NKT High Voltage Cables

  • Cablel Hellenic Cables

  • J-Power

  • Finolex J-Power Systems Private Ltd (FJPS)

  • Furakawa

  • LS Cable

  • Iljin Cable

  • Zhongtian Technology [ZTT]

  • Ningbao Orient Cable

  • Far East Cable Co Ltd

  • Wanda Group Holdings Co Ltd

  • Baosheng High Voltage Cable Co Ltd, BHVC

  • Jiangsu Shangshang Cable Group

  • JDR

  • Tele-Fonika Kabel S.A

  • Southwire

  • Parker Scanrope

  • Leoni

  • Sumitomo

  • Fujikura

  • Hitachi Cable

Key Topics Covered:

1. High Voltage Cable Sector Definitions

2. The High Voltage Cable Base

3. Annual Consumption Of EHV And HV Underground And Subsea Cable

4. Land Based Underground Cable Base

5. Subsea Power Cables - Projects And Markets

6. Offshore Wind Power Cable

7. Offshore Oil And Gas Power Cable

8. Offshore Umbilicals

9. The Types And Technologies Of EHV And HV Cable

10. Installation Of Underground HV & EHV Land Cables

11. Submarine Power Cables And Installation

12. Advanced Technology, Superconductors

13. Gas To Wire

14. Environmental Issues -Electromagnetic Fields In Land Based Systems

15. Company Profiles And Cable Market Shares

16. Glossary

For more information about this report visit

View source version on

Laura Wood, Senior Press Manager
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