Japan Transmission Line Market Assessment, By Type [Overhead Transmission Lines, Underground Transmission Lines, Submarine Transmission Lines], By Voltage Range [Low, Medium, High, Extra-High, Ultra-High], By Application [Electricity Transmission, Renewable Energy Integration, Smart Grid Infrastructure], By End-user [Telecommunication, Transportation, Utilities, Industrial and Commercial, Others], By Region, Opportunities and Forecast, FY2018-FY2032F

Japan transmission line market is expected to observe a CAGR of 2.52% during the forecast period FY2025- FY2032, rising from USD 9.97 billion in FY2024 to USD 12.16 billion in FY2032. The main purpose of transmission lines in Japan is to transfer effective and reliable power from generation sites to consumption areas. The Japanese transport ministry is planning to spend a significant amount to use overhead lines for the transfer of electrical power to distant areas. Apart from increasing power efficiency and cutting down the cost, these lines will yield fruitful results for other local electricity distributors across the country. Moreover, Japan intends to introduce renewable energy into the railway sector for the improvement of disaster resilience while optimizing resource utilization. This, in turn, ensures a stable power supply in the country’s railway network. Furthermore, Japanese organizations are focusing on the technological advancements of their transmission lines to promote efficient electricity distribution throughout the country.

For instance, in September 2023, East Japan Railway Company and Hitachi, Ltd. announced that they would jointly develop a fully digital substation system by FY2025. The innovative system will enable dual configuration of the transmission lines and protection functions, ensuring a stable electricity supply for the railway sector. Moreover, it aims to improve construction efficiency by reducing the sizes of the facilities and employing fiber optic technology, which can ensure efficient transmission of power in the Japanese railway networks.

Introduction of Smart Grid Systems Using AI and IoT Augments Market Growth

The implementation of highly advanced technologies such as AI and Internet of Things (IoT) in smart grids will add significant strength to energy management and efficiency in Japan. AI enables real-time monitoring, predictive analytics, better coordination of renewable energy resources, and minimization of power outages. Moreover, utilizing IoT sensors helps in the early detection of power transmission issues. By supporting stabilizing energy networks, enhancing consumer engagement, and providing personal insights into energy usage. These technologies contribute towards sustainability and improve grid resilience in Japan's renewable energy infrastructure. This improvisation, in turn, enhances the stability of the transmission lines and their current carrying capacity, thereby accelerating market growth.

For instance, in November 2024, to satisfy the increasing need for AI integration with smart grids, Tokyo Electric Power Company Holdings, Inc. (TEPCO) of Japan intended to invest around USD 3.2 billion to develop its power transmission infrastructure. The main goal of this investment is to maintain grid stability and satisfy the electricity supply requirements of data centers and semiconductor facilities that are growing rapidly across the country. Moreover, the investment supports Japan's objectives of updating its energy systems and encourages sustainable power transmission, leading to market growth.

Rise in Telecommunication Industries to Amplify Market Growth

The Japanese telecommunication sector is experiencing a significant rise in the utilization of transmission lines due to the need for reliable and efficient communication networks. Moreover, the growth is fueled by the necessity of renewable energy sources and increase of government investments towards the modernization of power transmission infrastructure. The investment will enhance grid connectivity and support the expanding needs of data transmission and power distribution across urban and industrial areas, which, in turn, will fuel market growth significantly.

For instance, in March 2024, two of the leading telecommunication firms of Japan, NEC Corporation and NTT Corporation, collaborated to conduct a groundbreaking long-distance transmission line experiment, achieving a distance of 7,280 kilometers using a 12-core multicore optical fiber. The fiber wires enable multiple optical signal transmission paths within a standard fiber diameter, enhancing capacity for future optical networks. Due to a continuous rise in data traffic, the development of transmission lines is becoming crucial for meeting increasing communication demands and developing next-generation cable systems. This, in turn, positions Japan at the forefront of power infrastructure development, paving the way for more efficient transmission solutions.

Increase in Demand for Overhead Transmission Lines is Amplifying Market Growth

Overhead wires or transmission lines in Japan offer numerous advantages for electricity distribution. They are cost-effective and easy to install and maintain, thereby making them a popular choice for power transmission. In Japan, overhead wires enable a faster recovery rate from power outages since they are easily accessible for repair compared to underground transmission lines. Moreover, overhead lines can efficiently transport high-voltage electricity to long distances, thereby promoting market growth. Furthermore, proper inspection of the overhead transmission lines is necessary to maintain their efficacy and ensure adequate electricity distribution in various parts of the country.

For instance, in July 2023, Japan’s Transport Ministry announced that it is planning to utilize overhead railway lines as a network for the transmission of renewable energy. As a first step of this plan, the ministry has offered support to Shizuoka Railway Co.’s project that involves efficient transmission of electricity using 11 kilometers of overhead transmission lines. The lines connect the central part of Shizuoka with the coastal areas located on the Shizouka-Shimizu Line.

Central Japan to Lead the Market Share Comprehensively

Central Japan significantly leads the growth of the market in all aspects and will continue to do so over the upcoming years due to the presence of some major cities such as Tokyo. Tokyo has a strong grid infrastructure, which supports high-voltage electricity distribution, facilitating efficient electricity transmission from various power plants to urban areas, thus meeting the significant growth in demand for electricity in Japan. Moreover, further improvisation in Tokyo’s grid infrastructure is expected to bolster local decarbonization efforts and improve energy access for public facilities and disaster response centers.

Furthermore, the Tokyo government is working actively towards the development of advanced technologies in transmission lines and improvement in power distribution networks such that the supply of energy keeps pace with the growing electricity consumption and urbanization trends. Additionally, Tokyo’s ongoing efforts are focusing on making electric power systems more resilient and efficient, thereby positioning Central Japan at the forefront of energy distribution and management.

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Future Market Scenario (FY2025 – FY2032)

• The Japanese government is currently focusing on cross-regional interconnection lines, specifically connecting Hokkaido with Honshu. These transmission lines will connect regions that are rich in renewable resources to the high-demanding areas for electrical supply across the country thereby facilitating a transition toward carbon-neutrality by 2050.
• A strong focus of Japan towards R&D activities is expected to result in the development of highly advanced power transmission technologies, which, in turn, will cater to ample opportunities for market growth in future.
• Japan is currently focusing on the application of High-Voltage Direct Current (HVDC) systems for its segregated frequency grids and is working actively to upgrade power transfer between them. These HVDC systems are crucial to tackle the problems caused due to natural disasters in Japan, thereby ensuring a stable power supply in the country.

Report Scope

“Japan Transmission Line Market Assessment, Opportunities and Forecast, FY2018-FY2032F”, is a comprehensive report by Markets and Data, providing in-depth analysis and qualitative and quantitative assessment of the current state of Japan transmission line market, industry dynamics, and challenges. The report includes market size, segmental shares, growth trends, opportunities, and forecast between FY2025 and FY2032. Additionally, the report profiles the leading players in the industry, mentioning their respective market share, business models, competitive intelligence, etc.

Report Attribute	Details
Base Year of the Analysis	FY2024
Historical Period	FY2018- FY2023
Forecast Period	FY2025-FY2032
Projected Growth Rate	CAGR of 2.52% between FY2025-FY2032
Revenue Forecast in FY2032	USD 12.16 billion
Segments Covered	Type, Voltage Range, Application, End-user
Regions Covered	North, Central, South
Key Companies Profile	Tokyo Electric Power Company Holdings, Inc., Electric Power Development Co., Ltd., ETS Holdings Co., Ltd., Hokuriku Electric Power Transmission & Distribution Company, Kansai Transmission and Distribution, Inc., Sumitomo Electric Industries, Ltd., Hokkaido Electric Power Co., Inc, J-POWER Transmission Network Co., Ltd., etc.
Customization Scope	15% free report customization with purchase
Pricing and Purchase Options	Avail the customized purchase options to fulfill your precise research needs
Delivery Format	PDF and Excel through email (subject to the license purchased)

 

In the report, Japan transmission line market has been segmented into the following categories:

 

• By Type
  • Overhead Transmission Lines
  • Underground Transmission Lines
  • Submarine Transmission Lines
• By Voltage Range
  • Low
  • Medium
  • High
  • Extra-High
  • Ultra-High
• By Application
  • Electricity Transmission
  • Renewable Energy Integration
  • Smart Grid Infrastructure
• By End-user
  • Telecommunication
  • Transportation
  • Utilities
  • Industrial and Commercial
  • Others
• By Region
• North [Hokkaido and Tohoku]
• Central [Kanto and Chubu]
• South [Kansai, Chugoku, Shikoku, Kyushu, and Okinawa]

Key Players Landscape and Outlook

Market participants in Japan are always vying with one another to gain a significant position in the market. To develop new technologies for power transmission throughout the nation, corporations are heavily investing in R&D activities. Moreover, Japanese organizations are forming new strategic alliances to lower electricity distribution costs and improve transmission efficiency.

For instance, in May 2024, Sumitomo Electric Industries, Ltd., a subsidiary of Sumitomo Electric Group, was awarded a contract by Hokkaido Electric Power Network, Inc. to build a 250-kV DC Cross-Linked Polyethylene (XLPE) cable as a part of the Hokuto-Imabetsu HVDC Transmission Link Enhancement Project. Connecting the Hokkaido and Honshu power networks will improve the integration of renewable energy sources and guarantee a steady electricity supply. The 24-kilometer-long new cable will boost power transmission capacity from 0.9 GW to 1.2 GW, enhancing the transmission network's resilience in Hokkaido and helping Japan achieve its 2050 carbon neutrality targets.

Key Players Operating in Japan Transmission Line Market are:

• Tokyo Electric Power Company Holdings, Inc.
• Electric Power Development Co., Ltd.
• ETS Holdings Co., Ltd.
• Hokuriku Electric Power Transmission & Distribution Company
• Kansai Transmission and Distribution, Inc.
• Sumitomo Electric Industries, Ltd.
• Hokkaido Electric Power Co., Inc.
• J-POWER Transmission Network Co., Ltd.

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