Market Forecasts for EHV & HV Underground and Subsea in Km of Cable nd $ Value, 2021 to 2026
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 report is based on two comprehensive surveys of cable length in km by voltage:
1. The land-based transmission and distribution networks of 162 countries. The objective is to position EHV
and HV cable within the entire network systems from EHV transmission to LV distribution in 2021, analysing each national grid by overhead lines, underground cables, and voltages. The data is derived from a survey of 186 utilities, together with secondary research of national sources.
2. Worldwide subsea cables - land-to-land interconnections, export and array cable for wind farms, power from-shore cables for oil & gas platforms, analysed by voltage. Based on secondary research of 373 current and proposed subsea power cable systems.
Analysis by five voltage groups:
- EHV: ≥320 kV
- EHV: 220<320 kV
- HV: 33/35<220 kV
- MV: 1<35 kV
- LV: < 1000 V
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.
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
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.
Table of Contents
Samples
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Executive Summary
CHAPTER 1 - HIGH VOLTAGE CABLE SECTOR DEFINITIONS
Definition of ‘High Voltage‘ and ‘Extra High Voltage’ and end-use categories, types of cable and voltage, HVAC and HVDC.
CHAPTER 2 - HIGH VOLTAGE CABLE BASE
Cumulative installed bases of underground and subsea cable, cumulative installed bases of the land based underground cable by region and voltage, with regional summary analysis.
CHAPTER 3 - ANNUAL CONSUMPTION OF EHV AND HV UNDERGROUND AND SUBSEA CABLE
Consumption in km of cable and value 2021 to 2026 by following categories:
1. Interconnections EHV EHV > 220 kV
2. Interconnections HV 35 - 220 kV
3. Export cables EHV/HV > 220 kV
4. Array cables HV/MV < 35-220 kV
5. Offshore OGP HV MV < 35-220 kV
6. Subsea
7. Land UGC EHV > 220 kV
8. Land UGC HV 35 - 220 kV
9. Total UGC
CHAPTER 4 - LAND BASED UNDERGROUND CABLE BASE
The scale of global undergrounding, partial undergrounding, transmission and distribution undergrounding. Regional and national analysis by regions; each regional section contains the following figures and tables; 68 pages of detailed information and analysis.
1. Length of OHL and UGC in Middle Eastern countries by km, 2020
2. Length of HV, MV & LV underground cable in Middle Eastern countries by km, 2020
3. Penetration of HV, MV & LV underground cable in Middle Eastern countries by km, 2020
4. Length of HV, MV & LV OHL and UGC underground cable in Middle Eastern countries by km, 2020
5. Underground cable by voltage and line length in km, Middle East by country, 2020
Regions covered: Europe, CIS, Asia, Pacific, Middle East, Africa, North America, South and Central America.
162 countries are included in the tables and the major countries are profiled.
CHAPTER 5 - SUBSEA POWER CABLES - PROJECTS AND MARKETS
The subsea energy markets consist of connections between landmasses, wind power and oil & gas exploration and production. These markets require three categories of cable; subsea cable - export and transmission cable EHV, and HV - array cable HV and MV; umbilical cable - MV, trending to HV; topside cable - MV and LV. Current subsea cable installations. Tables of existing and future land-to-land interconnections, wind farms, power-from-shore cables, with subsea and underground cable lengths by km and voltage.
CHAPTER 6 - OFFSHORE WIND POWER CABLE
Assessment of the wind power sector and future developments with country analysis, and usage of cable.
CHAPTER 7 - THE OFFSHORE OIL & GAS POWER CABLE
Assessment of developments and usage of cable and cable types and technology.
CHAPTER 8 OFFSHORE UMBILICALS
Outline of umbilicals and technology.
CHAPTER 9 - THE TYPES AND TECHNOLOGIES OF EHV AND HV CABLE
High Voltage cables (HVC) are used in three different configurations; overhead (uninsulated) conductors or lines (OHL), underground (insulated) cables (UGC), and subsea (insulated) cables. Each type can be AC or DC. This chapter outlines the technology of each category, for land-based UGC and subsea cable. Four basic categories of cable; high-pressure, fluid-filled pipe (HPFF), high-pressure, gas-filled pipe (HPGF), self-contained fluid-filled (SCFF), solid cable, cross-linked polyethene (XLPE) - outlines, diagrams, strengths and applications of each technology - MI, XLPE, EPR.
CHAPTER 10 - INSTALLATION OF UNDERGROUND HV & EHV LAND CABLES
Methods and applications for each type of installation of UGC.
CHAPTER 11 - SUBMARINE POWER CABLES AND INSTALLATION
Methods and applications for the subsea power cable.
CHAPTER 12 - ADVANCED TECHNOLOGY, SUPERCONDUCTORS
The development of LTS and HTS SC technology, current status and market.
CHAPTER 13 - GAS TO WIRE
Brief resume of this new technology for using spare transmission capacity.
CHAPTER 14 - ENVIRONMENTAL ISSUES - ELECTROMAGNETIC FIELDS IN LAND BASED SYSTEMS
Environmental issues which impinge on transmission, with implications for rights of way.
CHAPTER 15 - COMPANY PROFILES AND CABLE MARKET SHARES
Company profiles and assessment of production capacity; Prysmian, Nexans, NKT High Voltage Cables, Cablel® Hellenic Cables, Southwire, Parker Scanrope, Leoni, Sumitomo, Fujikura, Hitachi Cable, J-Power Systems (JPS), LS Cable & System, Iljin Cable, Finolex J-Power Systems Private Ltd (FJPS), Ningbao Orient Cable, Far East Cable Co Ltd, Wanda Group Holdings Co Ltd, Baosheng High Voltage Cable Co Ltd BHVC, Jiangsu Shangshang Cable Group.
Companies Mentioned
A selection of companies mentioned in this report includes:
- Baosheng High Voltage Cable Co Ltd, BHVC
- Cablel® Hellenic Cables
- Far East Cable Co Ltd
- Finolex J-Power Systems Private Ltd (FJPS)
- Fujikura
- Furakawa
- General Cable (Prysmian)
- Hitachi Cable
- Iljin Cable
- J-Power Systems (JPS)
- J-Power Systems Saudi Co, (JPS Saudi)
- JDR
- Jiangsu Shangshang Cable Group
- Leoni
- LS Cable
- Nexans
- Ningbao Orient Cable
- NKT High Voltage Cables
- Parker Scanrope
- Prysmian
- Southwire
- Sumitomo
- Tele-Fonika Kabel S.A
- TF Kable
- Wanda Group Holdings Co Ltd
- Zhongtian Technology [ZTT]
Methodology
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