Glass Insulated Electrical Bushing Market size is estimated at USD 1.6 billion in 2024 and is predicted to attain USD 3.4 billion in 2037 surging at a CAGR of 6.5% during the forecast period from 2025 to 2037. In 2025, the industry size of glass insulated electrical bushing is assessed at USD 1.7 billion.
The glass insulated electrical bushing market has accelerated at a rapid pace attributable to the rising interest in efficient energy transmission systems. Glasses are preferably used as they provide superior insulation properties compared with other materials and also exhibit mechanical strength and resistance to environmental influences such as moisture or pollution.
Renewable energy projects are adding further to the increased demand for glass-insulated bushings, as wind and solar power are rising. Many countries are upgrading power infrastructure towards clean-energy-generation sources, making them ideal for power transformers, gas-insulated switchgear, and other high-voltage equipment. For instance, in February 2020, Indiana Michigan Power, an American Electric Power division, announced investing USD 77 million to modernize and construct new substations as part of its electric transmission network. The shift toward modernized and smart grids is enhancing the prospects for the glass insulated electrical bushing market.
Growth Drivers
Challenges
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Base Year |
2024 |
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Forecast Year |
2025-2037 |
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CAGR |
6.5% |
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Base Year Market Size (2024) |
USD 1.6 billion |
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Forecast Year Market Size (2037) |
USD 3.4 billion |
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Regional Scope |
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Voltage (Medium Voltage, High Voltage, Extra High Voltage)
Through the crucial contribution to ensuring safe and efficient energy transmission over long distances, the high voltage segment is likely to dominate with 51.6%. The growth of industrialization, urbanization, integration of renewables, and an ever-growing demand for energy increases the need for high-voltage infrastructure. Moreover, high-voltage direct current (HVDC) transmission systems are preferred for linking offshore wind farms with long-distance renewable energy projects to the grid. Additionally, the modernization of power grids prioritizes improving efficiency and minimizing maintenance frequency.
Furthermore, the shift towards electrification in industries such as transportation and automotive for electric vehicles also aims to heighten investment in high-voltage infrastructure in both developed and developing regions. For instance, in April 2024, HUBBELL Power Systems, which offers exceptional customer service, introduced the new high-voltage oil-free PRC bushings which render our clients with better options to meet their bushing needs.
End user (Industries, Utility, Others)
The utility segment in the glass insulated electrical bushing market is expected to be dominant as it is essential for the generation, transmission, and distribution of energy. As energy consumption increases, utilities are pouring investments into upgrading and developing the power grid to increase supply in potentially expanding and urbanized areas. Furthermore, large-scale renewable energy projects need robust, high-voltage transmission systems, and hence, glass-insulated bushings become a crucial item in handling the higher voltages required for long-distance power transmission. Besides, grid modernization initiatives, especially within the developed economies, focus on upgrading aging infrastructure.
In addition, utilities face regulatory pressures for maintaining grid reliability and cutting down transmission losses, thereby compelling them to embrace the finest technologies, glass-insulated electrical bushings being one of them to enhance performance as well as effectiveness. While various industries such as manufacturing, petrochemicals, and mining scale up the scope of utility-driven projects such as national grid expansion, and renewable energy integration. Thus, the segment of utilities is likely to unfold more opportunities during the forecast period.
Our in-depth analysis of the glass insulated electrical bushing market includes the following segments
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Voltage |
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Application |
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End user |
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Asia Pacific Market Statistics
The Asia Pacific is expected to continue its dominance in the glass insulated electrical bushing market during the forecast timeline i.e. 2025-2037 due to rapid industrialization and urbanization that has created an enormous need for efficient power transmission infrastructure, accommodating the installation of high-voltage equipment. Moreover, renewable energy sources focus on advanced electrical components and the installation of glass-insulated electrical bushings in substations and renewable energy projects. Innovations in the product development area have resulted in significant investments in research and development, aiming toward greater durability and improved thermal performance.
In January 2024, the International Energy Agency mentioned that China is evolving six years earlier than the government had targeted for the commitment to renewable energy development with a target of 1200 GW of installed wind and solar capacity by 2030. Furthermore, the integration of advanced electrical bushing components accelerates the demand clubbed with sustainability since firms are increasingly investing in developing greener manufacturing processes to minimize carbon composition.
With the inclination toward ensuring reliable power energy transmission and streamlining its distribution network, the local government of India has solidified the structure of the electrical framework through its Revamped Distribution Sector Scheme (RDSS). In February 2024, as notified by the Union Minister for Power and New & Renewable Energy, the government enlightened a total of USD 28.6 million households and electrified the un-electrified villages by rendering renewable sources.
North America Market Analysis
North America follows a consistent growth trend determined by investments in renewable energy sources and redeveloping old infrastructure. The glass insulated electrical bushing market is also expanding as the region’s energy demands and technological innovation in electrical insulation continue to emerge. Moreover, research and development coupled with increasing voltage levels in electrical networks give impetus to utilities and manufacturers opting for glass-insulated over conventional bushings. Their performance and lifespan are improved by using advanced materials and manufacturing processes, thus attracting utility companies looking for efficacy of the system's dependability.
In February 2023, the U.S. Energy Information Administration (EIA) report stated that almost 70% of the transmission lines in the U.S. are aged over 25 years. In addition, the replacement and upgrading of aging electrical components with glass-insulated bushings that have superior insulation properties and reliability is an absolute necessity. This transformation requires robust electrical infrastructure boosting glass insulated bushings owing to their rugged nature to withstand challenging environmental conditions.
The glass insulated electrical bushing market in Canada will grow stably, primarily because of the development in infrastructure and the transition towards sustainable energy solutions, in December 2022, Hitachi announced that it is advancing a sustainable energy future and has been chosen by Hydro-Québec for the transmission of electricity using its high-voltage direct current (HVDC) technology to ensure the sustainability of the energy exchange between the Quebec network in eastern Canada and New York State in the northeastern U.S.
Companies are exhibiting their exponential efforts toward transforming the landscape of the glass insulated electrical bushing market through continuous product developments and expansions in their manufacturing capacity. Moreover, manufacturers have positioned advanced technologies at the forefront of producing high-quality glass-insulated electrical bushings to meet the growing demands of modern electrical systems. In addition, the companies are innovating their product portfolio to respond to the multiplying demand. For example, in July 2024, CG Power and Industrial Solutions announced that it is proceeding with a USD 6.62 billion capacity increase. Examples of such eminent contributors are:
Author Credits: Dhruv Bhatia
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