Electrical Bushing Market Size, Share & Industry Analysis, By Insulation Type (Oil-Impregnated Paper (OIP) Bushings, Resin-Impregnated Paper (RIP) Bushings, and Others), By Insulation Material (Porcelain, Polymer, and Glass), By Voltage Rating (Medium Voltage (1–72.5 kV), High Voltage (72.5–245 kV), and Extra-High Voltage / UHV (>245 kV)), By Application (Transformer, Switchgear, and Others), and Regional Forecast, 2026-2034

The global electrical bushing market size was valued at USD 3.78 billion in 2025 and is expected to reach USD 3.96 billion in 2026. Furthermore, the market is projected to reach USD 6.12 billion by 2034, exhibiting a CAGR of 5.59% during the forecast period of 2026-2034. Moreover, the Asia Pacific region holds the largest market share in terms of revenue, driven by rising electricity demand and investments, particularly in China, India, and Southeast Asia.

An electrical bushing is a hollow insulator that lets conductors pass safely through grounded metal barriers (such as transformer tanks), preventing current leaks while supporting the conductor. Demand drivers include rising global electricity needs, grid modernization, smart grid integration, growth in EV charging infrastructure, and expansion of renewable energy, all of which are pushing for reliable, high-voltage, and "smart" bushings for efficient power management.

• In November 2025, the Chinese government announced plans to expand renewable energy use beyond electricity generation through 2030, targeting the production of green hydrogen and ammonia to curb solar and wind curtailment. The National Energy Administration's strategy promotes the integration of clean energy into industry, easing grid strain from soaring renewable capacity while enhancing economic applications.

ABB is a leading market player in electrical bushings, often cited alongside giants such as Siemens and Hitachi Energy, known for innovation, high-voltage solutions (OIP/RIP), a sustainability focus, and a strong global footprint. However, the market is competitive, with top firms holding a significant segment of the fragmented space. Other key leaders include Siemens, General Electric Company (GE), Eaton, and others.

MARKET DYNAMICS

MARKET DRIVERS

Rapid Expansion of Transmission & Distribution (T&D) Networks Driving Market Growth

The rapid expansion of power transmission and distribution networks globally is fueling strong demand for electrical bushings, essential insulators that enable safe high-voltage power flow through transformers and switchgear. As utilities modernize aging grids to integrate renewable energy sources such as wind and solar, these networks require more robust infrastructure to handle increased loads and ensure reliability.

• In December 2025, the European Commission announced plans to invest approximately USD 1.5 trillion in grid upgrades by 2040 to fast-track permits for renewables, storage, and interconnections, such as the Pyrenees, Baltic, and hydrogen corridors. Targets outdated infrastructure blocking energy transition, aiming to cut costs, avert blackouts, and boost EV/heat pump capacity amid 15% interconnection goal shortfalls

Bushings facilitate efficient energy transfer while protecting against electrical faults, becoming critical in high-capacity lines and substations. This surge in grid development, driven by electrification trends and decentralized power generation, propels manufacturers to innovate with advanced materials for better performance and durability. Overall, the push for resilient T&D systems positions electric bushings at the heart of the energy transition.

Shift Toward Higher Voltage Transmission (HV, EHV, UHV) to Boost Market Proliferation

The shift toward higher voltage transmission systems, encompassing high voltage (HV), extra high voltage (EHV), and ultra-high voltage (UHV) lines, is significantly boosting the market by necessitating advanced insulation solutions for efficient power delivery over long distances. These technologies minimize energy losses and enhance grid capacity, supporting the integration of distant renewable sources into urban centers. Bushings designed for such extreme voltages must withstand intense electrical stresses, arc flashes, and environmental challenges, driving innovation in materials such as resin-impregnated paper and silicone composites for superior dielectric strength and thermal stability.

As nations prioritize grid modernization to meet surging electricity demands from electrification and data centers, this transition propels bushing manufacturers to scale production of specialized components, ensuring reliable performance in compact substations and overhead lines. Overall, the embrace of higher voltage infrastructure cements bushings as pivotal enablers of a resilient, low-loss power network.

MARKET RESTRAINTS

High Cost of Advanced RIP, Composite, and EHV/UHV Bushings to Hinder Market Growth

High costs associated with advanced resin-impregnated paper (RIP), composite, and extra-high voltage (EHV)/ultra-high voltage (UHV) bushings pose a significant restraint on the electrical bushing market growth. These cutting-edge technologies require premium materials, such as high-grade silicones, epoxies, and specialized fibers, which increase manufacturing expenses and complicate production processes that necessitate precise vacuum impregnation and stringent quality controls.

Utilities and manufacturers in developing regions often favor cheaper porcelain alternatives, despite their vulnerabilities to seismic activity and pollution, which slows the adoption of superior options that offer better dielectric performance and lighter weight. Supply chain dependencies on rare earth elements and volatile raw material prices further amplify financial barriers, deterring widespread investment amid tight budgets for grid upgrades. Consequently, this premium pricing curbs market penetration and innovation pace in high-voltage applications.

MARKET OPPORTUNITIES

Rapid Adoption of RIP and Dry-Type Bushings Creates Lucrative Opportunities

The rapid adoption of Resin-Impregnated Paper (RIP) and dry-type bushings is creating lucrative opportunities in the market by addressing key limitations of traditional porcelain designs. These innovative alternatives offer superior mechanical strength, lighter weight, and enhanced resistance to seismic events, pollution, and explosions, making them ideal for modern substations and high-voltage applications.

• In October 2025, Yash Highvoltage supplied a large shipment of high-performing 24 kV RIP and RIS dry-type condenser bushings for a major western India customer, highlighting their oil-free, low-maintenance, high-reliability design.

RIP bushings excel in dielectric performance due to their void-free insulation, while dry-type variants eliminate oil-related risks, simplifying maintenance and enhancing safety in urban grids. As utilities prioritize reliability amid surges in renewable integration and electrification, manufacturers capitalize on this shift through scalable production and customized solutions. This trend not only expands market share for advanced players but also supports global grid modernization efforts with cost-effective, eco-friendly options over time.

MARKET CHALLENGES

Slow Adoption of RIP/Dry-Type Bushings in Developing to Creates Challenges for Market Growth

The slow adoption of resin-impregnated paper (RIP) and dry-type bushings in developing regions hampers market expansion, despite their superior advantages. Utilities in these areas prioritize cost-effective porcelain options due to limited budgets, unfamiliarity with advanced technologies, and inadequate testing infrastructure for high-performance alternatives. Harsh environmental conditions, such as high pollution and seismic risks, further deter shifts from proven, low-maintenance designs, even as RIP and dry-type variants promise better safety, lighter weight, and explosion resistance.

Supply chain gaps, skilled labor shortages, and regulatory hurdles slow certification and deployment, perpetuating reliance on imports while delaying grid modernization. This inertia restricts market penetration for innovative solutions amid rising energy demands.

ELECTRICAL BUSHING MARKET TRENDS

Rising Demand for Polymer/Composite Housings is Emerging as a Key Trend

Rising demand for polymer and composite housings is transforming the market by offering lightweight, durable alternatives to traditional porcelain insulators. These advanced materials offer exceptional resistance to pollution, seismic shocks, and mechanical stresses, ensuring reliable performance in harsh environments such as coastal or industrial areas. Polymers such as silicone rubber and epoxy composites deliver superior hydrophobicity and crack resistance, reducing maintenance needs and extending service life in high-voltage applications.

As grid operators seek cost-efficient solutions for integrating renewable energy and upgrading urban substations, manufacturers are innovating with hybrid designs that combine flexibility and high dielectric strength. This shift enhances safety, lowers transportation costs, and supports faster installation, positioning polymer housings as a cornerstone of modernized power infrastructure.

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IMPACT OF TARIFFS

U.S. tariffs imposed in 2025, particularly on imports from China, including electrical equipment, steel, aluminum, and copper, have significantly increased production costs for the electrical bushing market by raising raw material prices and import duties, leading to short-term supply chain disruptions and market contraction. These measures, which can reach up to 125% on certain Chinese goods, aim to boost domestic manufacturing but create cost volatility for manufacturers reliant on Asian suppliers, prompting diversification to regions such as India, Vietnam, and Mexico, while causing delays in obtaining materials.

In the broader context of EV and renewable energy supply chains, where bushings are critical components, the tariffs exacerbate pressures on related sectors such as transformers and batteries, potentially slowing electrification efforts despite long-term opportunities for localized production.

SEGMENTATION ANALYSIS

By Insulation Type

Oil-impregnated Paper (OIP) Bushings Segment Led Due to High Reliability and Compatibility with High Voltage Transformers

By type, the market is segmented into oil-impregnated paper (OIP) bushings, resin-impregnated paper (RIP) bushings, and others. 

Oil-impregnated paper (OIP) bushings dominated the market in 2025, with a share of 63.24%. Demand for oil-impregnated paper (OIP) bushings remains steady in the market due to their proven reliability in high-voltage transformers, circuit breakers, and switchgear, where they provide excellent dielectric insulation and thermal stability.

• In October 2022, MPPTCL announced the deployment of advanced RIP (resin-impregnated paper) bushings in transformers, replacing traditional OIP (oil-impregnated paper) types. This enhances safety, reliability, and efficiency in Madhya Pradesh's power grid.

The resin-impregnated paper (RIP) bushings segment is expected to grow at the fastest rate with a CAGR of 7.33% in the coming years. Demand for resin-impregnated paper (RIP) bushings is surging in the market, driven by their superior safety, lightweight design, and explosion-proof characteristics compared to traditional oil-filled options. These bushings utilize epoxy resin to impregnate paper layers under vacuum, resulting in void-free insulation with exceptional dielectric strength and mechanical robustness for high-voltage applications in transformers and substations.

By Insulation Material

Porcelain Segment Led Due to Prominent Applications in Substation and Transmission Lines

By insulation material, the market is segmented into porcelain, polymer, and glass.

Porcelain dominated the market in 2025 with a market share of 49.08%, as the demand for porcelain insulation material in electrical bushings persisted due to its proven high dielectric strength, thermal stability, and long-term durability in high-voltage applications, such as substations and transmission lines.

The polymer insulation segment is expected to grow at the fastest CAGR of 6.63% due to its lightweight design, superior pollution resistance, and flexibility compared to brittle porcelain alternatives. These materials, including silicone rubber and epoxy composites, excel in seismic zones and coastal areas by repelling moisture and reducing the risk of flashover.

By Voltage Rating

Extra-High Voltage / UHV (>245 kV) to Witness Fastest Growth Due to Potential Grid Expansion Globally

By Voltage Rating, the market is segmented into Medium Voltage (1–72.5 kV), High Voltage (72.5–245 kV), and Extra-High Voltage/UHV (>245 kV).

The Extra-High Voltage (UHV) segment, exceeding 245 kV, is expected to grow at the fastest CAGR of 7.23% due to grids evolving to transmit massive power over long distances with minimal losses, thereby integrating remote renewables into population centers. These advanced bushings withstand extreme electrical fields, requiring robust insulation materials such as RIP and composites for reliability in compact substations and overhead lines.

Medium Voltage (1–72.5 kV) dominated the market in 2025, with a market share of 55.41%. Segment growth is driven by the widespread deployment in distribution networks, industrial substations, and urban grids, where reliable power delivery is essential. These bushings support transformers, switchgear, and cable terminations, handling moderate loads with high efficiency amid the rise of electrification and renewable connections.

• In May 2025, GE Vernova will supply over 70 units of 765 kV transformers and shunt reactors to POWERGRID for India's renewable energy corridors in states such as Rajasthan and Gujarat. Manufacturing in Vadodara is expected to start deliveries from 2026 to 2027, thereby boosting grid integration.

By Application

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Increasing Need for Safe High-voltage Connections in Power Transformers Boosted Segment Growth  

By application, the market is segmented into transformer, switchgear, and others.

The transformer accounted for the largest electrical bushing market share of 64.82% in 2025. Increasing demand for transformer bushings, alongside global grid expansions and renewable energy integration, as these critical components ensure safe high-voltage connections in power transformers, which are essential for stepping up or down electricity levels.

The switchgear segment is also expected to experience strong growth, driven by the modernization of electrical grids and the rising need for circuit protection in substations and industrial settings. These bushings enable secure high-voltage connections in metal-clad and gas-insulated switchgear, which is vital for interrupting fault currents and managing power flow during renewable energy surges.

ELECTRICAL BUSHING MARKET REGIONAL OUTLOOK

By geography, the market is categorized into North America, Europe, Asia Pacific, Latin America, and the Middle East & Africa.

Asia Pacific

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Asia Pacific emerged as the largest market with a valuation of USD 1.58 billion in 2025. Asia Pacific is witnessing strong growth in the market, propelled by large-scale grid expansion, rapid urbanization, and rising demand for electricity, especially in China, India, and Southeast Asia. Significant investments in renewable integration, ultra-high voltage applications, and industrial infrastructure upgrades further accelerate the adoption of advanced RIP, dry-type, and polymer-housed bushings across the region. For instance, in September 2025, Powergrid approved an investment of USD 80 million for two projects aimed at boosting grid reliability and disaster readiness. A pan-India VOIP system and 20 sets (300 towers) of Emergency Restoration Systems will enhance communication, rapid line restoration, and support Make in India manufacturing.

Europe

After Asia Pacific, the European electrical bushing Industry was valued at USD 1.05 billion in 2025 and is estimated to reach USD 1.10 billion in 2026. Europe is expected to witness robust growth in the market, driven by aggressive renewable energy targets, grid interconnections, and the push for energy independence across the continent. Major investments in high-voltage offshore wind farms, UHV lines, and smart substations boost demand for RIP, dry-type, and polymer bushings to enhance reliability and efficiency. For instance, in July 2025, nine EU member states, Bulgaria, Croatia, Czechia, Estonia, Latvia, Lithuania, Poland, Romania, and Slovakia, announced investment of ~USD 4 billion from ETS revenues via the Modernization Fund into cleaner energy systems, including renewables, grids, and energy storage, to cut emissions and boost security.

North America

The North America market is expected to account for the third-largest share with a valuation of USD 0.64 billion in 2025. North America drives steady market growth through extensive grid hardening, renewable energy buildouts, and surging power needs from data centers and EVs. Utilities invest heavily in high-voltage transmission reinforcements and resilient substations to combat extreme weather, favoring advanced RIP and polymer designs for superior performance. The U.S. market was valued at USD 0.52 billion in 2025, with market growth fostered by large investments by market players in the country. For instance, in September 2025, Hitachi Energy announced a USD 1 billion investment to expand U.S. manufacturing of critical grid infrastructure, backed by the Trump administration. The plan includes USD 457 million for a new large power transformer factory in Virginia.

Latin America

The Latin America market was valued at USD 0.21 billion in 2025. Latin America is experiencing accelerated growth in the market, driven by massive grid expansions, hydropower projects, and rising urban power demands. Investments in transmission upgrades and renewable integration in Brazil and Mexico boost the adoption of durable RIP and polymer bushings.

Middle East & Africa

The Middle East & Africa market was valued at USD 0.26 billion in 2025. The Middle East and Africa are witnessing rising growth in the market amid rapid urbanization, oil-funded grid expansions, and renewable solar initiatives. Investments in high-voltage transmission and desalination plants drive demand for heat-resistant RIP and polymer bushings in harsh climates.

COMPETITIVE LANDSCAPE

KEY INDUSTRY PLAYERS

Key Players Focus on Investment Opportunities to Increase Market Share in the Future

The competitive landscape is fragmented, with key players including ABB, Hitachi Energy Ltd., Siemens Energy AG, GE Vernova, and others.  In June 2023, Hitachi Energy invested USD 106 million to expand its Alamo, Tennessee transformer component facility, adding 60,000 sq ft for HVDC and dry-type bushing production. The project is expected to create 100 jobs in Crockett County with support from Tennessee, boosting U.S. grid capacity for AI and renewables by mid-2027. Market players are adopting strategies focused on cost reduction through R&D and manufacturing efficiency, forming strategic partnerships & M&As, expanding into transport (buses, trucks, FCVs) & critical backup power. Such developments are expected to foster market growth over the forecast period.

List of Key Electrical Bushing Companies Profiled

• ABB (Switzerland)
• Hitachi Energy Ltd. (Switzerland)
• Siemens Energy AG (Germany)
• GE Vernova (U.S.)
• Maschinenfabrik Reinhausen (Germany)
• CG Power and Industrial Solutions Ltd. (India)
• TRENCH Group (Germany)
• PFISTERER Holding AG (Germany)
• NGK Insulators, Ltd. (Japan)
• Sediver Group (France)
• MacLean Power Systems (U.S.)
• Crompton Greaves Electricals Ltd. (India)
• RHM International (U.S.)

KEY INDUSTRY DEVELOPMENTS

• In March 2025, Hitachi Energy announced a USD 250 million investment by 2027 to expand global transformer component production, including bushings and insulation. Over 40% targets U.S. sites in Virginia, Missouri, and Mississippi. This follows a USD 6 billion plan to enhance grid resilience.
• In February 2025, Transformers & Rectifiers (India) Ltd. launched 245kV high-voltage bushings at its Gujarat plant through its subsidiary, TARIL Switchgear, utilizing eco-friendly insulating materials and rigorous quality controls, including those mandated by FEMA. The move supports backward integration; separately, the firm passed short-circuit tests on an inverter duty transformer for renewable energy applications.
• In May 2024, Hitachi Energy launched its GOB+ OIP transformer bushings at CWIEME Berlin 2024. This next-generation range upgrades the bestselling GOB series, offering optimized electrical fields, partial discharge-free performance, and voltages ranging from 36 to 245 kV, with a current capacity of up to 3150 A. It ensures high reliability, thermal efficiency, and customization for global standards.
• In June 2023, Hitachi Energy announced plans to invest USD 106 million in expanding its Alamo, Tennessee, transformer components factory. The upgrade will boost bushing production, adding 60,000 sq ft and making it North America's largest site by mid-2027. This addresses surging U.S. demand from AI data centers and grid upgrades amid shortages.
• In May 2022, Hitachi Energy inaugurated India's first Resin Impregnated Paper (RIP) transformer bushings factory in Gujarat, India. The facility produces AirRIP flex bushings up to 400 kV, enhancing grid reliability with dry technology that prevents oil leaks and fires. It runs on 100% fossil-free electricity, supporting sustainability goals.

REPORT COVERAGE

The electrical bushing market report delivers a detailed insight into the market. It focuses on key aspects, such as leading companies in the market. Additionally, the report provides regional insights and global market trends, as well as pressure ranges, and highlights key industry developments. In addition to the factors mentioned above, the report encompasses several other factors and challenges that contributed to the market's growth and decline in recent years.

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Report Scope & Segmentation