North America Extra High Voltage (EHV) Transmission Market Outlook 2025-2035
The North America EHV Transmission Market is witnessing accelerated growth, driven by rising electricity demand, renewable energy integration, and grid modernization efforts. EHV transmission systems are essential for efficient long-distance power transfer and grid reliability. Key market players are investing in advanced technologies like HVDC and smart transmission infrastructure. The sector faces challenges around high installation costs and regulatory constraints, yet it benefits from technological innovations and supportive government policies. The market is anticipated to reach approximately USD 8,500 Million by 2035, growing at a CAGR of 5.7% from a 2025 base of USD 4,900 Million.
Latest Market Dynamics
Key Drivers
- Growing demand for cross-border and interstate power transmission, fueled by renewable energy projects. For instance, in 2025, Siemens Energy AG partnered with American Electric Power to expand HVDC lines supporting wind and solar projects.
- Modernization of aging grid infrastructure. In 2025, General Electric Company ramped up investments in smart grid and EHV upgrades, especially targeting North American utilities’ reliability improvements.
Key Trends
- Rapid adoption of HVDC technology for long-distance, high-efficiency transmission. ABB Ltd announced in May 2025 the commissioning of a new HVDC link for enhanced energy transfer.
- Integration of digital technologies and smart grid solutions. Hitachi Energy’s June 2025 rollout of digital substations in Canada marks a shift towards automation and predictive maintenance in EHV networks.
Key Opportunities
- Expansion in renewable energy integration necessitates new EHV transmission projects. Nexans S.A. secured a major contract in early 2025 to supply submarine cables linking offshore wind farms to North American grids.
- Grid interconnection between the US, Canada, and Mexico. Mitsubishi Electric Corporation signed a 2025 MOU with North American utilities to collaborate on cross-border EHV grid projects.
Key Challenges
- High capital expenditure and long permitting timelines. Prysmian Group reported in March 2025 delayed project rollouts due to lengthy regulatory approvals.
- Complexity in interoperability of new EHV systems with existing grid assets, as highlighted by Schneider Electric SE in April 2025 during its North American customer summit.
Key Restraints
- Regulatory barriers limit rapid grid expansion. NKT A/S encountered hurdles in May 2025 while seeking permits for new EHV cable routes in the US.
- Community opposition to overhead transmission lines, with LS Cable & System Ltd. facing local resistance to new projects in the US Midwest as of June 2025.
North America EHV Transmission Market Share by Type, 2025
In 2025, overhead transmission continues to hold the largest share in the North America EHV Transmission Market, attributable to its cost-effectiveness and ease of deployment across vast distances. Underground and submarine transmission types are gradually increasing in market share, driven by urbanization demands and offshore renewable integration. The evolving mix indicates a balanced approach, with flexibility and hybrid solutions gaining traction. Grid modernization and technology upgrades are expected to further boost the adoption of non-overhead solutions by 2035.
North America EHV Transmission Market Share by Applications, 2025
Power utilities make up the dominant application segment in 2025, reflecting the sector's ongoing investments in network upgrades for reliability and renewable integration. Industrial applications are the next largest, underpinning the energy needs of manufacturing and large facilities. Renewable energy integration, notably wind and solar, forms a significant portion, underlining the role of EHV in the clean energy transition. Commercial and infrastructure segments, while smaller, are anticipated to see increased growth from grid digitalization and electrification initiatives moving forward.
North America EHV Transmission Market Revenue (USD Million), 2020-2035
The North America EHV Transmission Market is projected to register sustained revenue growth through 2035. Starting from USD 4,900 Million in 2025, revenues are forecasted to climb steadily, crossing USD 5,500 Million in 2028 and reaching around USD 8,500 Million by 2035. This growth is propelled by renewable integration projects, grid modernization, and increased investments in interstate and cross-border transmission. The expanding deployment of advanced EHV technologies across the region signals further revenue expansion in the coming decade.
North America EHV Transmission Market YOY Growth (%), 2020-2035
The year-on-year growth rate of the North America EHV Transmission Market remains robust from 2020 through 2035. YOY growth peaks around 2025-2028 as major grid modernization projects come online, driven by supportive policies and renewable mandates. Though growth normalizes somewhat post-2030, the market maintains a positive trajectory, reflecting stable demand for EHV solutions as the grid ecosystem becomes more sophisticated and interconnected.
North America EHV Transmission Market Share by Region, 2025
The United States leads North America's EHV transmission market in 2025, supported by extensive grid infrastructure upgrades and renewable integration. Canada follows, leveraging its vast hydro resources and cross-border connections, while Mexico demonstrates strong growth prospects through ongoing energy reforms and grid expansion projects. Regional market dynamics are shaped by regulatory landscape, grid investment priorities, and national energy strategies.
North America EHV Transmission Market Share by Players, 2025
North America EHV Transmission Market Share by Top Buyers, 2025
Major utility companies comprise the leading segment of EHV transmission market buyers in North America, utilizing advanced technologies for grid resilience and expansion. Industrial and renewable developers represent critical buyer segments, driven by decarbonization objectives and capacity needs. The diversity among buyers is indicative of the market’s broad applicability and the increasing convergence of energy, industrial, and infrastructure sectors in driving EHV adoption.
Study Coverage
| Metrics | Details |
|---|
| Years | 2020-2035 |
| Base Year | 2025 |
| Market Size | Revenue (USD Million) |
| Regions | United States, Canada, Mexico |
| Segments | By Type (Overhead Transmission, Underground Transmission, Submarine Transmission, Hybrid Transmission, Conventional Transmission, Flexible Transmission) and By Application (Power Utilities, Industrial, Renewable Energy Integration, Commercial, Infrastructure, Others) |
| Players | Siemens Energy AG, ABB Ltd, General Electric Company, Mitsubishi Electric Corporation, Toshiba Corporation, Hitachi Energy, Nexans S.A., Prysmian Group, Schneider Electric SE, NKT A/S, LS Cable & System Ltd., Southwire Company LLC, Sterlite Power, Sumitomo Electric Industries, Ltd., General Cable Corporation |
Key Recent Developments
- June 2024: ABB Ltd successfully commissions North America's largest HVDC link to strengthen renewable power flow between the US Midwest and Canada.
- July 2024: Nexans S.A. secures a USD 220 Million contract for submarine EHV cables connecting offshore wind projects to the US grid.
- August 2024: Hitachi Energy launches a new digital substation in Ontario, Canada, powering predictive maintenance for transmission assets.
- September 2024: Siemens Energy AG partners with a leading US utility to roll out AI-driven control systems for advanced grid management.
- November 2024: Prysmian Group announces the opening of a new EHV cable manufacturing facility in North America to meet rising demand.
