The North America EHV (Extra High Voltage) Transmission Market is experiencing significant growth, attributed to the modernization of power infrastructure and the increasing integration of renewable energy sources. The market size was valued at USD 7,320 Million in 2025 and is projected to reach USD 12,510 Million by 2035, expanding at a CAGR of 5.1% from 2024 to 2035.
The economic impact of tariffs on "North America EHV Transmission Market".
Market Growth Drivers
Increasing Integration of Renewable Energy: The push toward renewable energy in North America is accelerating demand for EHV transmission solutions. Companies such as ABB Ltd. and Siemens Energy are investing in transmission projects to connect remote wind and solar farms to the main grid, ensuring stable and reliable electricity delivery. For instance, ABB's HVDC technology has been implemented in major interconnectors to facilitate the transmission of renewable power over long distances, reducing energy loss and enhancing grid efficiency.
Grid Modernization Initiatives: Aging grid infrastructure in North America necessitates upgrades to meet contemporary energy demands. Companies like GE Grid Solutions are providing advanced EHV transmission systems tailored to enhance grid resilience and reliability. The U.S. Department of Energy's Grid Modernization Initiative is also funding the deployment of next-generation transmission lines, enabling utilities to better accommodate distributed energy resources and improving the integration of smart grid technologies.
Market Trends
Adoption of Digital Substations: There is a notable shift toward digital substations in EHV transmission networks, enabling real-time monitoring, predictive maintenance, and enhanced operational efficiency. Schneider Electric, for example, has launched EcoStruxure™ digital substation solutions for North American utilities, combining IoT and advanced analytics to reduce downtime and improve asset management.
Expansion of Cross-Border Transmission Projects: The trend of expanding cross-border interconnections between the U.S. and Canada is gaining momentum to bolster energy trade and security. In April 2024, Hydro-Québec announced a new 800 kV EHV transmission line project in collaboration with New York Power Authority, aiming to increase clean energy exports and reinforce grid stability between Canada and the northeastern U.S.
Market Opportunities
Development of Smart Grid Infrastructure: There is significant opportunity for EHV transmission players to partner with utilities and governments in deploying smart grid infrastructure. Companies like Hitachi Energy are leveraging advanced EHV solutions to enable intelligent grid operation and enhance energy resilience.
Growing Demand for E-Mobility: The rise of electric vehicles is increasing the need for reliable, high-capacity transmission networks to meet charging demands. Utilities such as NextEra Energy are investing in grid upgrades, presenting fresh opportunities for EHV transmission technology providers.
North America EHV Transmission Market Revenue (USD Million), 2020–2035
The revenue chart for the North America EHV Transmission Market illustrates a steady and progressive growth trajectory from 2020 to 2035. The market started at approximately USD 4,800 Million in 2020 and demonstrated moderate growth with incremental increases year over year. By 2025, the market reached USD 7,320 Million, reflecting a robust uptrend spurred by investments in grid modernization and renewable integration. The forecast projects revenue to reach USD 12,510 Million by 2035, underlining the sector's increasing importance in regional energy transition. The growth is supported by proactive government policies, rising energy consumption, and ongoing technological advancements.
North America EHV Transmission Market by Region Share (%), 2025
The North America EHV Transmission Market in 2025 is dominated by the United States, which commands approximately 68% of the regional market share, owing to large-scale investments in upgrading transmission lines and integrating renewables. Canada follows with an 18% share, driven by cross-border projects and renewable initiatives, while Mexico holds around 8% as it accelerates grid modernization. The remaining regions—Caribbean and others—constitute 4% and 2%, respectively. The pie chart underscores the U.S. leadership in EHV transmission, but also highlights significant opportunities for growth in other North American territories as their energy sectors evolve.
Recent Developments in North America EHV Transmission Market (Last 6 months)
In May 2024, Siemens Energy announced the completion of a major 500 kV EHV transmission substation in Texas, enhancing grid reliability and supporting wind power integration. The project demonstrates Siemens Energy's commitment to supporting the clean energy transition by delivering advanced grid technologies.
In April 2024, Hydro-Québec and New York Power Authority signed an agreement to develop a new 800 kV cross-border EHV transmission line. This project aims to strengthen energy security and facilitate clean hydropower export from Canada to the U.S., in line with both countries’ carbon reduction targets.
In March 2024, GE Grid Solutions secured a contract from a leading U.S. utility to upgrade aging EHV transmission infrastructure in the Midwest. The project includes the deployment of digital substations and state-of-the-art HVDC converters to support increasing renewable energy integration and grid modernization efforts.
Press Releases