The power transmission lines and towers market is valued at USD 34.87 billion in 2025. As per FMI's analysis, the market will grow at a CAGR of 7.8% and reach USD 73.9 billion by 2035.
In 2024, the power transmission lines and towers industry experienced steady expansion, driven by robust investments in grid modernization and renewable energy integration. The smart grid projects alarified all over the world to increase efficiency and reduce transmission losses.
However, in North America and Europe, HVDC lines were more deployed to support long distance renewable energy transmission. On the other hand, Asian emerging economies improved their transmission systems to meet the increased electricity demands.
These countries are presumably China and India, primary countries in the industry growth. They comprise huge installations of renewable energy that will require several modifications to the grid system. Hybrid systems, consisting mainly of solar, wind, and hydroelectric power for energy use, will also help in get wide acceptance for modern transmission technologies. Prediction maintenance and optimized power distribution are some applications initiated with the development of AI-driven grid management.
Towards 2025 and beyond, the Japanese industry will certainly experience continuous growth because of very encouraging regulatory policies and increasing private investment. Most importantly, international grid projects, mainly in Europe and Asia, would improve transmission efficiency.
This is how the innovations in composite insulators, self-healing grid networks, and digital substations will lay out the next phase of the industry evolution. As per the analysis done by FMI, this confluence of smart technologies and infrastructure upgrades will bolster long-term industry growth.
Key Metrics
| Metric | Value |
|---|---|
| Estimated Global Size in 2025 | USD 34.87 billion |
| Projected Global Size in 2035 | USD 73.9 billion |
| CAGR (2025 to 2035) | 7.8% |
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(Survey Conducted Q4 2024, n=500 stakeholder participants evenly distributed across utility companies, infrastructure developers, policymakers, and technology providers in North America, Western Europe, China, India, and Australia-NZ.)
Grid Modernization and Renewable Integration: 79% of stakeholders identified the urgent need to modernize transmission infrastructure to support large-scale renewable energy adoption. Smart grid deployment and HVDC expansion were highlighted as critical investment areas.
Regulatory Compliance and Policy Support: 73% emphasized the necessity of clear regulatory frameworks to accelerate grid expansions and cross-border transmission projects. Stakeholders in emerging industries such as India and China cited bureaucratic delays as a key obstacle.
Cybersecurity and Grid Resilience: 67% of participants stated that safeguarding digital transmission infrastructure from cyber threats was a top concern. Utility companies in North America and Europe reported rising investment in AI-driven grid security measures.
Regional Variance:
High Variance in Technology Uptake:
ROI Perspectives on Advanced Grid Technologies:
Consensus on Material Challenges:
Regional Variance in Supply Chain Constraints:
Shared Challenges:
Regional Differences in Investment Willingness:
Infrastructure Developers:
Utilities and Transmission Operators:
Technology Providers:
Alignment in Strategic Priorities:
Regional Divergence in Investment Focus:
Regulatory and Policy Impact
North America: 67% of utilities reported that new federal policies are driving grid upgrades but causing short-term compliance costs.
High Consensus: Grid modernization, cost pressures, and cybersecurity concerns are universal priorities across regions.
Key Variances:
Strategic Insight: A one-size-fits-all approach will not work-regional adaptation is essential. To ensure long-term success, utilities and infrastructure developers must tailor investment strategies based on local energy policies, grid challenges, and material availability.
For deeper insights and customized industry intelligence, connect with FMI’s research team today.
| Country | Regulatory Impact & Mandatory Certifications |
|---|---|
| United States | The USA Department of Energy (DOE) and the Federal Energy Regulatory Commission (FERC) set policies promoting grid modernization and transmission expansion. The Inflation Reduction Act (IRA) and the Bipartisan Infrastructure Law (BIL) allocate billions for smart grids and renewable integration. Companies must comply with North American Electric Reliability Corporation (NERC) standards for reliability and cybersecurity. |
| United Kingdom | The UK government’s Net Zero Strategy mandates large-scale investment in offshore wind transmission networks. The Office of Gas and Electricity Markets (Ofgem) oversees transmission pricing and expansion approvals. New projects must comply with National Grid Electricity System Operator (ESO) standards. |
| France | The French Energy and Climate Law enforces aggressive decarbonization, requiring utilities to enhance transmission for nuclear and renewable integration. Projects must align with Réseau de Transport d'Électricité (RTE) regulations, and companies need ISO 55001 certification for asset management. |
| Germany | The Bundesnetzagentur (BNetzA) regulates transmission expansion under the German Energy Act. The country’s Energiewende (Energy Transition) policy prioritizes cross-border interconnections. Transmission operators must meet the Renewable Energy Sources Act (EEG) requirements and obtain TÜV certification for energy efficiency. |
| Italy | The Italian Regulatory Authority for Energy, Networks, and Environment (ARERA) oversees transmission policies supporting the European Green Deal. High-voltage projects must comply with CEI (Comitato Elettrotecnico Italiano) standards and EU-mandated sustainability certifications. |
| China | The National Energy Administration (NEA) directs large-scale Ultra High Voltage (UHV) transmission projects, ensuring grid stability for renewables. Mandatory certifications include China Compulsory Certification (CCC) and compliance with State Grid Corporation of China (SGCC) technical guidelines. |
| Japan | The Electricity Business Act regulates transmission expansion, with a strong focus on disaster-resistant grid infrastructure. The Organization for Cross-regional Coordination of Transmission Operators (OCCTO) mandates efficiency upgrades. Companies must meet JIS (Japanese Industrial Standards) certification for electrical safety. |
| South Korea | The government’s Renewable Energy 3020 policy accelerates smart grid deployment. The Korea Electric Power Corporation (KEPCO) sets technical and operational requirements, with companies needing KS (Korean Standards) certification for grid components. |
| Australia & New Zealand | The Australian Energy Regulator (AER) and New Zealand’s Electricity Authority enforce strict reliability and sustainability standards. Companies must adhere to National Electricity Market (NEM) guidelines and obtain ISO 14001 certification for environmental management. |
The power transmission lines and towers industry is on the threshold of robust growth with rising electricity demand, grid modernization, and renewable energy source integration. Governments and utilities investing in smart grids will largely benefit from fast-track projects in the HVDC transmission system, while cross-border electricity trade will play out in the coming years.
Old infrastructure and lengthy licensing processes may dampen growth in certain areas. An analysis by FMI revealed that dynamic technologies as well as policies would be the testing ground for a much more efficient and resilient global transmission grid.
Accelerate Smart Grid Investments
Executives should prioritize funding for smart grid infrastructure, including AI-driven monitoring systems and HVDC transmission lines, to enhance efficiency and reduce energy losses. Aligning with government incentives and regulatory mandates will unlock growth opportunities in emerging and developed industries.
Integrate Renewable Energy with Grid Expansion
It is the responsibility of companies to expand the transmission infrastructure further as fast as possible for steering green energy sources towards seamless grid integration for solar, wind, and hydroelectric power. Partnerships with energy producers and technology providers will enable firms to have competitive advantages in the fast-evolving energy world.
Strengthen Cross-Border Transmission Capabilities
Investments in multilayer cross-border and intercontinental grid networks will assure continued profitability and resilience-in particular, in energy-secure, decarbonizing areas. FMI analysis revealed that combinations, acquisitions, and joint ventures with foreign transmission operators accelerate capacity addition and increase industry immersion.
| Risk | Probability & Impact |
|---|---|
| Regulatory and Policy Uncertainty- Establish proactive government relations, engage in policy advocacy, and diversify industry exposure to mitigate regulatory risks. | High Probability - High Impact |
| Supply Chain Constraints and Material Costs- Secure long-term supplier contracts, invest in local manufacturing capabilities and explore alternative materials to reduce dependency on volatile supply chains. | Medium Probability - High Impact |
| Cybersecurity Threats to Grid Infrastructure- Implement AI-driven threat detection, enhance grid cybersecurity protocols, and collaborate with cybersecurity firms to safeguard transmission networks. | Medium Probability - Severe Impact |
| Priority | Immediate Action |
|---|---|
| Grid Modernization Acceleration | Fast-track investment in AI-driven grid management and HVDC expansion to enhance transmission efficiency. Establish partnerships with tech firms to integrate real-time monitoring and predictive maintenance systems. |
| Supply Chain Resilience | Secure multi-year contracts with key suppliers and explore alternative materials to mitigate cost fluctuations. Develop regional sourcing strategies and invest in localized manufacturing to reduce reliance on global supply chains. |
| Cybersecurity Reinforcement | To safeguard grid infrastructure, deploy advanced threat detection systems and conduct regular security audits. Collaborate with government agencies and cybersecurity firms to establish industry-wide protection standards. |
To stay ahead, companies must immediately accelerate smart grid investments, fortify supply chains, and strengthen cybersecurity frameworks to mitigate evolving risks. Aligning with policymakers on regulatory shifts and securing strategic partnerships for cross-border transmission expansion will be critical for long-term resilience.
This intelligence reshapes the roadmap by emphasizing proactive risk management, digital infrastructure upgrades, and sustainability-driven transmission solutions. FMI analysis found that firms that act decisively on these imperatives will gain a competitive edge, ensuring profitability and leadership in the next phase of global energy transformation.
Transmission Lines are projected to grow at a CAGR of 7.8% from 2025 to 2035, making them the industry's leading product segment. The expansion of power grids, increasing electrification, and rising investments in renewable energy transmission are key growth drivers. Emerging economies like China and India are aggressively investing in high-voltage and ultra-high-voltage transmission networks to improve efficiency and reduce power losses.
Additionally, aging grid infrastructure in developed industries necessitates extensive upgrades, further boosting demand. The shift toward smart grids and AI-driven network management enhances reliability and efficiency, positioning transmission lines as the backbone of the evolving power infrastructure landscape worldwide.
Conventional Conductors will retain a strong share with a CAGR of 6.8% from 2025 to 2035, driven by their cost-effectiveness and widespread deployment in transmission networks. While these conductors exhibit high electrical conductivity, they suffer from poor tensile strength, necessitating reinforcements. Emerging industries continue to rely on conventional conductors due to budget constraints and existing infrastructure compatibility.
However, developed industries are shifting toward high-temperature conductors to improve grid efficiency. Upgrades in material technology and improved insulation coatings aim to enhance performance, mitigating energy losses. This segment is expected to remain dominant in cost-sensitive regions while gradually ceding ground to advanced alternatives in high-performance grids.
PVC Insulation continues to dominate the insulation industry, maintaining a CAGR of 7.3% from 2025 to 2035, owing to its lightweight nature, fire-retardant properties, and high mechanical strength. PVC is widely used in transmission and distribution lines due to its cost-effectiveness and adaptability-growing electrification in emerging economies and the expansion of renewable energy transmission systems fuel demand.
However, environmental concerns related to PVC’s recyclability and chemical composition are prompting regulatory scrutiny. Despite this, advancements in eco-friendly PVC alternatives and modifications to improve durability and sustainability are likely to sustain its industry leadership in the foreseeable future.
221 kV to 660 kV Voltage Segment is projected to grow at a CAGR of 7.7% from 2025 to 2035, driven by expanding high-voltage transmission networks and increasing urbanization. As electricity demand surges, governments are focusing on upgrading grid infrastructure to improve efficiency and reduce transmission losses. Countries like China, India, and Brazil are investing heavily in high-voltage transmission lines to connect renewable energy hubs with urban centers.
Additionally, developed nations are retrofitting their existing networks with higher voltage capabilities to accommodate rising energy needs. While the infrastructure cost is significant, the long-term benefits of improved efficiency and lower operational losses make this segment a key driver of future growth.
HVDC Transmission is expected to expand rapidly, growing at a CAGR of 8.5% from 2025 to 2035, fueled by the increasing demand for long-distance, high-efficiency transmission solutions. High Voltage Direct Current (HVDC) technology is gaining traction as it minimizes energy losses over extended distances compared to HVAC systems. The rapid adoption of offshore wind farms and cross-border electricity trading is further driving investment in HVDC networks.
Countries in Europe and Asia-Pacific are leading the charge, with large-scale HVDC projects underway to enhance grid stability and accommodate renewable energy fluctuations. Despite high upfront costs, the efficiency gains and long-term cost savings make HVDC a critical component of future power transmission infrastructure.
Ultra-high-tension applications will continue to dominate, growing at a CAGR of 8.0% from 2025 to 2035 as demand for long-distance, high-capacity power transmission rises. Ultra-high-tension transmission systems significantly reduce short-circuit currents and power losses, making them essential for large-scale energy distribution.
Governments worldwide are increasingly investing in ultra-high-voltage (UHV) networks to enhance grid efficiency and support renewable energy expansion. China leads in UHV development, with massive projects aimed at connecting remote solar and wind farms to urban centers. While technical challenges and infrastructure costs remain barriers, continued advancements in insulation materials and transmission technology are expected to accelerate growth in this segment.
The USA is projected to expand at a CAGR of 8.2% from 2025 to 2035. The country’s industry growth is driven by large-scale grid modernization initiatives, surging renewable energy deployment, and federal investments in infrastructure. The Inflation Reduction Act (IRA) and Bipartisan Infrastructure Law (BIL) are fueling multi-billion-dollar allocations for smart grids and high-voltage transmission lines, facilitating the integration of wind and solar power across states.
The demand for ultra-high voltage (UHV) transmission networks is increasing as utilities focus on reducing energy losses and improving efficiency. Additionally, the Federal Energy Regulatory Commission (FERC) has mandated utilities to develop long-term transmission expansion plans, further accelerating investment in grid infrastructure.
Companies operating in the sector must comply with stringent North American Electric Reliability Corporation (NERC) reliability standards, as well as cybersecurity measures set by the USA Department of Energy.
Challenges remain in terms of regulatory bottlenecks and lengthy approval processes for interstate transmission lines, often delaying projects. However, rising private sector participation, alongside technological advancements such as artificial intelligence-driven grid optimization, is expected to drive efficiency and long-term stability in the sector.
The UK is anticipated to witness a CAGR of 7.5% between 2025 and 2035. The UK’s ambitious goal of achieving net-zero emissions by 2050 is driving substantial investments in transmission infrastructure, particularly for offshore wind energy projects. The government has committed to expanding high-voltage direct current (HVDC) networks to enhance cross-border electricity trade with Europe and improve domestic grid efficiency.
The country’s energy regulator, has introduced financial incentives for grid operators to develop resilient and sustainable transmission lines. The National Grid Electricity System Operator (ESO) is leading efforts to modernize the grid and integrate more renewable energy sources, making transmission reliability a top priority.
Key projects include the expansion of the Eastern Green Link, a high-voltage undersea cable connecting Scotland and England, aimed at reducing congestion in renewable energy transmission. However, the UK faces challenges in terms of regulatory delays and local opposition to new infrastructure projects, which could hinder rapid deployment. Investments in smart grid technologies and digital substations are expected to enhance operational efficiency, supporting continued growth in the sector.
France is expected to grow at a CAGR of 7.3% from 2025 to 2035. The country’s electricity grid is undergoing significant upgrades, driven by the Energy and Climate Law, which mandates carbon neutrality by 2050. The transmission sector is primarily overseen by Réseau de Transport d'Électricité (RTE), which is investing heavily in grid reinforcement and interconnection projects.
A major driver of growth is the country’s reliance on nuclear energy, which accounts for over 60% of electricity generation. With the government pushing for increased renewable integration, new transmission networks are being developed to connect offshore wind farms and solar plants to the grid. Additionally, France is strengthening cross-border interconnections with Germany, Spain, and Italy to improve energy security.
Regulatory complexities, including strict environmental impact assessments, remain a challenge for rapid project execution. However, the push toward smart grid infrastructure and the adoption of digital monitoring systems are expected to optimize transmission efficiency. Companies must comply with EU regulations, including ISO 55001 for asset management, to ensure the high reliability and performance of transmission infrastructure.
Germany is expected to be a significant industry, with a CAGR of 7.6% from 2025 to 2035. The country’s Energiewende (Energy Transition) policy, which seeks to eliminate fossil fuels and nuclear power, is driving extensive investment in transmission infrastructure. The most important projects at this time include the establishment of HVDC corridors to transport 'green' ac power produced on the North Sea islands such as the SuedLink and other projects connect factories with renewable energy.
Optimizing grid stability and efficiency, Germany's energy regulator, the Bundesnetzagentur (BNetzA), has imposed stringent regulations for its industry. Carbon-free transmission towers adoptions (also through green steel infrastructure) are also growing. Utilities are also spending on AI (artificial intelligence)-based grid monitoring to make predictive maintenance possible and to prevent outages.
Challenges include high project costs and public resistance to new overhead transmission lines, creating a heightened interest in underground cable solutions. In spite of these challenges, Germany is one of Europe’s most secure sectors for power transmission infrastructures because of its robust legislative structure and dedication to grid renewal.
Italy is forecast to grow at a CAGR of 7.2% between 2025 and 2035. Dependence on renewable energy especially solar and wind propelling investments in high-voltage electricity transmission networks across the country. In Italy, the Regulatory Authority for Energy, Networks and Environment (ARERA) has implemented policies that promote grid upgrades and renewables grid integration.
In Italy, electricity security will be ensured by strengthening the cross-border transmission interconnections with France, Austria and Switzerland. Investment in digital substations and better grid automation are also increasing efficiency of operations.
These include an ageing grid infrastructure and bureaucratic implementation challenges to get approvals for new projects. But rising participation by the private sector and European Union funding toward smart grid projects are set to sustain growth. New transmission projects must comply with CEI (Comitato Elettrotecnico Italiano) standards.
China’s transmission infrastructure sector is projected to grow at a CAGR of 8.5% from 2025 to 2035. The country is leading the global deployment of Ultra High Voltage (UHV) networks, with UHV AC and UHV DC lines facilitating long-distance transmission from renewable-rich western provinces to densely populated eastern cities.
The State Grid Corporation of China (SGCC) and China Southern Power Grid (CSG) are spearheading grid modernization, integrating AI-driven predictive maintenance, smart substations, and energy storage to optimize transmission efficiency.
Regulatory compliance is stringent, with the China Compulsory Certification (CCC) ensuring safety and quality. Investments in HVDC transmission and digital substations are accelerating, driven by China’s 2060 carbon neutrality goal.
Despite rapid expansion, challenges include high capital costs, supply chain dependencies, and land acquisition issues. However, government incentives for grid automation and energy storage solutions are expected to sustain strong industry growth.
Japan’s transmission sector is expected to grow at a CAGR of 6.9% from 2025 to 2035. The Electricity Business Act enforces strict reliability standards, with the Organization for Cross-regional Coordination of Transmission Operators (OCCTO) overseeing modernization efforts.
The country prioritizes smart grids, automation, and earthquake-resistant infrastructure, but high costs and land constraints limit expansion. To overcome these challenges, Japan is investing in superconducting cables and modular grid systems.
One of the major infrastructure challenges in Japan is the frequency of inconsistencies between the Eastern and Western grids. The east region operates at 50 Hz, while the western region runs at 60 Hz, requiring specialized conversion stations such as the Higashi-Shimizu and Sakuma frequency converter stations to enable power exchange.
The power transmission sector of South Korea is believed to have a growth rate of 7.1% CAGR from 2025 to 2035, in line with the Renewable Energy 3020 policy. KEPCO is investing in areas of HVDC transmission, smart grids, and automation to improve efficiency.
The Korean Standards (KS) certification ensures that equipment complies with the strings of safety and performance requirements for the grid. Demand response systems driven by AI or automated self-healing grids are becoming popular for optimizing the performance of the distribution network.
Barriers include the high costs associated with advanced grid technologies as well as regulations often pose challenges for new transmission projects. Nevertheless, new avenues for growth exist through the regional energy trade initiatives with China and Japan.
In 2025, the power transmission lines and towers sector will remain highly competitive. Siemens Energy is mostly expected to have the most significant share of around 17%, courtesy of its wide compass of infrastructure projects and technological advancement. It is mostly estimated that Prysmian Group would gemstone about 15%, boosted by its high-voltage cable solutions and strong European and North America presence.
General Cable (now joining the Prysmian club) is likely to get 12% on its reign of grid modernization. ABB will have around 10%, supported by its investment in high efficiency transmission systems and digital substations. Nexans will likely have 9% share due to its projects on renewable energy grid connections.
LS Cable & System and Sumitomo Electric are expected to jointly capture 6-9%, thriving in the Asian industry with cost-competitive tower and cable solutions. Kalpataru Power Transmission could have 5-8% share thanks to large projects in India and other parts of Africa. Localized supply chains and government contracts could facilitate a rapid penetration for regional players such as ZTT Group and Tongda Cable by 4~7%."
An additional small company or regional specialist could account for 8-12% of the business, serving niche segments such as offshore wind connections and ultra-high-voltage lines. Such mid-market arbitrage could potentially alter the competitive landscape by 2025, especially in developing domains of accelerated grid expansion.
Recent Developments
In June 2024, Prysmian Group secured a €2 billion contract to supply high-voltage cables for Europe’s offshore wind grid expansion.
Increasing electricity demand, renewable energy integration, grid modernization, and investments in high-voltage transmission infrastructure are major factors contributing to industry growth.
Governments worldwide are implementing policies, subsidies, and regulations to enhance grid reliability, promote renewable energy transmission, and reduce energy losses through advanced infrastructure.
Asia-Pacific, particularly China and India, is leading expansion efforts due to rapid industrialization, increasing energy consumption, and extensive renewable energy projects.
Smart grids, AI-driven monitoring systems, and high-voltage direct current (HVDC) technology are improving efficiency, reducing losses, and ensuring real-time grid management.
High capital investment, regulatory hurdles, land acquisition issues, and supply chain disruptions are some of the key challenges affecting project implementation and scalability.
By product, the industry is segmented into transmission lines and transmission towers.
In terms of conductors, the industry is segmented into conventional, high temperature, and others.
Based on insulation, the industry is segmented into PVC, XLPE, and others.
By voltage, the industry is segmented into 132 kV to 220 kV, 221 kV to 660 kV, and > 660 kV.
In terms of current, the industry is segmented into HVAC and HVDC.
Based on application, the industry is segmented into high tension, extra high tension, and ultra high tension.
The industry is segmented by region into North America, Latin America, Western Europe, South Asia & Pacific, East Asia, Middle East, and Africa.
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