Bar Type Current Transformer Market - Global Industry Size, Share, Trends, Opportunity, and Forecast, Segmented By Type (Indoor Bar Type CTs, Outdoor Bar Type CTs), By Insulation Type (Dry-Type, Oil-Immersed, Gas-Insulated), By End-User Industry (Utilities, Industrial, Commercial Buildings, Renewable Energy Plants, Data Centers), By Region & Competition, 2020-2030F

Market Overview

The Global Bar Type Current Transformer Market was valued at USD 679.17 Million in 2024 and is expected to reach USD 1,076.63 Million by 2030 with a CAGR of 7.82% during the forecast period.

The global bar type current transformer market is experiencing steady growth, driven by rising electricity consumption, grid modernization, and increasing demand for efficient power monitoring and protection systems across utility, industrial, and commercial sectors. Bar type current transformers, which are typically installed around a busbar or conductor, are essential components in power systems for measuring alternating current and providing isolation between high-voltage power circuits and measurement or control devices. Their compact design, ease of installation, and reliable performance in harsh environments make them ideal for medium- and low-voltage switchgear, control panels, and metering setups. Additionally, the increasing adoption of smart grids and digital substations is further propelling the demand for advanced CTs with high accuracy and integration capabilities.

Utilities remain the largest end-user segment due to the ongoing upgrade of aging electrical infrastructure, particularly in developed markets such as North America and Europe. Meanwhile, emerging economies in Asia-Pacific, including China and India, are witnessing a surge in electricity demand and rapid industrialization, leading to increased investments in transmission and distribution networks and substations—boosting the deployment of bar type current transformers. Furthermore, the rise in renewable energy generation, particularly solar and wind, is creating new opportunities for CTs, as these installations require reliable and cost-effective current measurement devices to ensure system safety and performance.

Technological advancements such as the development of digital CTs, split-core designs for retrofit applications, and the integration of IoT and communication features are shaping the competitive landscape. Leading players in the market—including ABB, Siemens, Schneider Electric, GE Grid Solutions, and Arteche—are focusing on product innovation, strategic partnerships, and regional expansion to strengthen their market position. However, the market also faces challenges such as pricing pressure, technical limitations in high-frequency applications, and competition from alternative current sensing technologies like Rogowski coils.

Key Market Drivers

Rising Electricity Demand and Urbanization

The rapid growth of urban populations and the increasing pace of industrialization have created a sustained rise in electricity demand globally. As urban centers expand, the need for reliable and safe power distribution networks intensifies. This is fueling the deployment of bar type current transformers (CTs), which are integral for load monitoring, protection, and control within electrical systems. These CTs offer accuracy and cost-efficiency in measuring current across low and medium-voltage networks.

• According to the IEA, global electricity demand is expected to grow by 3.4% annually through 2030, driven largely by emerging markets.
• Urban population is projected to reach 6.7 billion by 2050, up from 4.4 billion in 2020, according to UN DESA.
• In 2023, over 120 GW of new power generation capacity was added globally, requiring extensive switchgear and instrumentation, including CTs.
• The World Bank reports that electricity access in low-income countries rose from 68% in 2015 to 77% in 2022, increasing demand for current monitoring equipment.
• Over USD300 billion was invested in global transmission and distribution infrastructure in 2022, as per IEA estimates.

Bar type CTs are favored in these infrastructure upgrades due to their compact design, ease of retrofitting into switchgear, and robust current handling. Their role in ensuring metering accuracy in expanding utility networks is vital. As new housing complexes, commercial towers, and industrial clusters emerge, the demand for compact current monitoring solutions like bar type CTs is growing steadily. These transformers help utilities and private entities improve billing accuracy and grid efficiency, making them indispensable in rapidly urbanizing regions.

Growth in Renewable Energy Installations

The global energy transition toward renewables is driving a surge in demand for efficient grid integration technologies, including current transformers. Bar type current transformers are increasingly deployed in solar and wind power systems to facilitate real-time current monitoring and fault protection in switchgear, inverters, and metering systems. Their compatibility with compact and modular designs makes them particularly suitable for renewable power applications where space is often constrained.

• As per IRENA, global renewable power capacity reached 3,870 GW in 2023, up by 9.6% from 2024.
• In 2023 alone, China added over 200 GW of new solar and wind capacity, much of which required extensive monitoring infrastructure.
• The U.S. installed over 30 GW of solar capacity in 2023, with over 60% of these installations using medium-voltage switchgear equipped with CTs.
• The EU targets 42.5% renewable energy share by 2030, driving T&D upgrades and CT deployments.
• A single 100 MW wind farm typically requires over 300 current sensors, many of which are bar type CTs.

Renewable power plants need reliable current measurement for real-time monitoring, protection relays, and system optimization. Bar type CTs, particularly in dry-type or resin-cast formats, offer high insulation and thermal performance required for harsh outdoor or inverter-side environments. With decentralized energy generation becoming mainstream, utilities are investing heavily in substation automation and smart metering—areas where CTs play a vital role. As renewable penetration increases, so does the complexity of load flows, making accurate current measurement more critical than ever.

Expansion of Transmission & Distribution Infrastructure

Modernization and expansion of power transmission and distribution (T&D) networks across both developed and emerging markets are directly fueling the demand for current transformers. Bar type CTs are widely used in substations, distribution panels, and control systems due to their compactness and ease of integration into busbar systems. Governments and utilities worldwide are undertaking massive T&D investment programs to reduce technical losses and improve grid reliability.

• The IEA reports that T&D infrastructure investment hit $360 billion globally in 2023, with significant focus on smart grids and load monitoring.
• According to the U.S. DOE, 70% of T&D lines in the U.S. are over 25 years old and are being targeted for replacement or modernization.
• India plans to invest USD35 billion by 2030 in grid infrastructure under its Revamped Distribution Sector Scheme (RDSS).
• Over 80% of substations in Europe are now being digitized, requiring advanced CTs for protective relaying and metering.
• Smart transformers and switchgear deployments in China rose by 16% YoY in 2023, with bar type CTs embedded for current sensing.

Bar type CTs are crucial in low- and medium-voltage segments of T&D networks for applications such as feeder monitoring, load shedding, and fault detection. These transformers ensure real-time visibility of current flow, helping grid operators maintain stability. With countries moving toward grid decentralization and integrating distributed energy resources (DERs), the deployment of modular substations with bar type CTs is gaining traction. Their quick installation, low maintenance, and compatibility with smart systems make them essential in modern T&D upgrades.

Emphasis on Energy Efficiency and Smart Metering

The rising emphasis on energy conservation, efficient billing, and accurate load management is pushing utilities and industries to adopt advanced current measurement devices. Bar type current transformers are critical components in energy meters, load analyzers, and building management systems. Their high accuracy and reliability enable users to track energy usage, identify inefficiencies, and optimize system performance.

• The global smart meter deployment reached 1.25 billion units in 2023, with CTs forming an essential component of current measurement.
• According to the U.S. EIA, advanced metering infrastructure now covers over 65% of all electricity consumers in the U.S.
• The EU mandates 80% of homes to be equipped with smart meters by 2024, expanding demand for CT-integrated panels.
• Over 60% of commercial buildings globally are now adopting energy management systems (EMS), where bar type CTs are used for current data logging.
• Industrial energy consumption accounts for 37% of total electricity use, and bar type CTs are deployed to monitor equipment loads and reduce peak demand.

Accurate current sensing is foundational to smart metering and load control. Bar type CTs, due to their compact size and robust design, are integrated into electrical panels and submeters for real-time consumption analysis. This helps utility companies reduce technical losses and allows consumers to manage power usage effectively. Government mandates for demand-side management and carbon neutrality targets are further accelerating CT deployments in residential, commercial, and industrial sectors.

Rising Industrial Automation and Electrical Safety Standards

The global trend toward automation in manufacturing, oil & gas, and infrastructure sectors has heightened the need for continuous electrical monitoring and protection systems. Bar type current transformers play a pivotal role in monitoring motor loads, detecting ground faults, and ensuring operational safety in automated environments. In parallel, the enforcement of stringent electrical safety standards worldwide is leading to increased adoption of certified CTs.

• The global industrial automation market surpassed $220 billion in 2023, driving the need for precise electrical measurement tools.
• IEC 61869 and IEEE C57.13 standards are now mandatory for current transformers in over 50 countries, ensuring safety and performance.
• The oil & gas sector invests approximately USD15 billion annually in electrical instrumentation, including CTs for process safety.
• According to ISO, electrical accidents in industrial zones dropped by 18% in countries enforcing certified CTs.
• In smart factories, each automated line may have 20–40 CTs for current monitoring and control.

Bar type CTs are widely used in motor control centers, programmable logic controllers (PLCs), and industrial switchgear to provide real-time current data. Their ability to function reliably in high-EMI environments, along with adherence to global safety norms, makes them suitable for mission-critical operations. As industries adopt predictive maintenance and condition monitoring, bar type CTs are integrated with digital relays and SCADA systems for early fault detection. These transformers not only enhance safety but also reduce downtime and maintenance costs.

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Key Market Challenges

Increasing Competition from Alternative Current Sensing Technologies

One of the significant challenges for the bar type current transformer (CT) market is the growing competition from alternative current sensing technologies such as Rogowski coils, Hall-effect sensors, and fiber-optic current sensors. These technologies offer advantages in flexibility, bandwidth, size, and ease of installation, especially in retrofit and high-frequency applications where conventional bar type CTs face limitations.

Rogowski coils, for instance, are lightweight, flexible, and capable of measuring high currents with excellent linearity and wide frequency response. These features make them increasingly popular in smart grid applications, electric vehicle (EV) charging infrastructure, and dynamic load environments. Hall-effect sensors offer non-intrusive measurement and can detect both AC and DC currents, providing an edge in renewable energy and battery energy storage systems.

The challenge is further compounded by the lower installation complexity and maintenance requirements of these alternatives, which make them cost-effective over the long term. Many manufacturers and system integrators now prefer these modern sensors for newer equipment designs.

Although bar type CTs remain dominant in traditional power infrastructure due to their robustness and established standards, the market may gradually lose share in niche and high-growth applications unless innovation is accelerated. Manufacturers of bar type CTs are being forced to invest in R&D to compete with the advantages offered by these emerging technologies.

Without timely adaptation, bar type CT vendors may see a loss in high-frequency, digital, and compact system applications where traditional CTs are either too bulky or limited in performance. While not a direct replacement in all contexts, these alternative technologies present a strategic risk that could erode the long-term competitiveness of bar type CTs across diversified end-use industries.

Technical Limitations in High-Frequency and Harmonic-Rich Environments

Bar type current transformers, though effective for standard 50/60 Hz applications, face performance limitations in high-frequency or harmonic-rich environments. This poses a significant challenge in the context of evolving power systems, where inverters, variable frequency drives (VFDs), and non-linear loads are increasingly common.

Harmonics introduced by such equipment can distort current waveforms, making it difficult for conventional CTs to deliver accurate measurements. Bar type CTs often struggle with linearity and phase displacement at high frequencies or in the presence of third, fifth, or seventh harmonics, leading to measurement errors that compromise protection relay performance and billing accuracy.

In modern facilities like data centers, renewable energy installations, and manufacturing plants with automation systems, harmonics are unavoidable. This creates a need for advanced current measurement technologies that can maintain accuracy in such conditions—something traditional bar type CTs are not optimized for.

While some manufacturers offer CTs with extended frequency response or special core materials, these solutions are typically more expensive and not widely adopted due to cost constraints and size limitations. Additionally, bar type CTs may experience saturation during short-circuit or high inrush current events, which affects their reliability in protection schemes.

This technical challenge hampers the deployment of bar type CTs in high-performance smart grid environments, power electronics-based systems, and fast-responding digital protection architectures. As energy systems become more dynamic and complex, the inability to accurately capture current in all scenarios becomes a critical disadvantage.

Addressing this issue will require innovation in core materials (e.g., nanocrystalline or amorphous alloys), improved magnetic design, or hybrid solutions that combine bar type CTs with digital signal processing. Until such enhancements become standardized and economically viable, their usage may be constrained in advanced and harmonic-sensitive applications.

Price Sensitivity and Cost Competition in Emerging Markets

In cost-sensitive markets such as Southeast Asia, Africa, and Latin America, the demand for affordable electrical infrastructure components is extremely high. While bar type current transformers are reliable and robust, they often face challenges related to pricing, particularly in projects that prioritize low initial investment over long-term performance or brand quality.

Local manufacturers in countries like China and India frequently offer low-cost bar type CTs that meet basic safety standards but may lack advanced performance features. These products are appealing to budget-conscious utilities and contractors, thereby intensifying price competition and reducing the margins for global and premium CT manufacturers.

This price pressure forces established vendors to either reduce their offerings to compete on cost or risk losing contracts in fast-developing regions. In many cases, tenders for public infrastructure projects are awarded solely on a lowest-bid basis, limiting the scope for technological differentiation and innovation.

Moreover, fluctuations in raw material prices—especially for copper and magnetic steel—can significantly affect manufacturing costs. As price volatility continues, companies struggle to maintain profitability while remaining competitive in emerging markets.

Counterfeit and substandard CTs are also prevalent in these markets, creating unfair competition and posing risks to system safety and reliability. End-users, unaware of the long-term drawbacks of low-quality CTs, may opt for cheaper options, which undermines the market presence of reputable players.

To survive in such a climate, major CT manufacturers must localize production, partner with regional distributors, and develop cost-optimized product lines. However, doing so may stretch their global operational capabilities. The challenge lies in balancing cost competitiveness with quality, innovation, and brand integrity in regions where capital expenditures are limited.

Complex International Standards and Certification Requirements

Navigating the regulatory and certification landscape presents a significant hurdle for manufacturers of bar type current transformers. Different countries and regions impose a range of compliance requirements—including IEC, ANSI, IEEE, and local utility specifications—which vary by application, voltage level, and intended use (e.g., metering vs protection). Meeting these diverse standards can increase time to market and add to design and testing costs.

For instance, in the U.S., bar type CTs for revenue metering must comply with ANSI C57.13 and may require UL certification. In Europe, IEC 61869-2 and IEC 61869-6 are widely adopted, while individual utilities may have additional custom requirements. In some Middle Eastern countries, equipment used in grid interconnection must also pass GCCIA certification.

Such regulatory complexity can be particularly challenging for smaller and mid-sized manufacturers aiming to enter international markets. Each certification process can take months and require laboratory testing, documentation, and technical validation—raising both the financial and operational burden.

Utility projects often require CTs to be approved by the utility before procurement. Product customization to comply with regional standards can increase engineering time by 15–25%. Certification costs for high-voltage CTs can reach up to USD50,000 per product line. Products lacking proper certifications are typically disqualified from bidding processes. Retesting is required whenever a change is made in the CT's design or material composition.

Moreover, compliance with certification is not static. Standards evolve over time, requiring product redesign or recertification. This adds another layer of cost and complexity to the manufacturer’s product lifecycle management.

Thus, companies must build regulatory expertise and invest in dedicated compliance infrastructure to ensure market accessibility and avoid delays or legal complications. Without harmonized global standards, the certification barrier remains a persistent challenge for manufacturers seeking global reach.

Supply Chain Disruptions and Raw Material Dependency

The bar type current transformer market is vulnerable to global supply chain disruptions and raw material dependencies, which impact production timelines and pricing stability. CT manufacturing relies on specific materials such as copper windings, magnetic core materials (e.g., CRGO steel or ferrites), and insulation resins—all of which are subject to availability and price fluctuations in global commodity markets.

The COVID-19 pandemic, followed by geopolitical tensions and regional conflicts, revealed the fragility of international supply chains. Delays in shipments, increased freight costs, and restricted availability of critical components caused several manufacturers to face backlogs and lost orders. Even as demand rebounded, supply chain challenges continued to hinder consistent production and delivery.

Copper prices rose by over 25% in 2021 and remained volatile in 2022–2024, impacting winding costs. Resin and insulation material costs saw 20–30% hikes due to shortages in chemical feedstocks. Magnetic steel production in China was curtailed during energy crises, causing global shortages. Average lead times for CT components increased from 6–8 weeks to over 12 weeks during 2022–2023. Freight and logistics costs spiked by 40% during the peak of the supply chain crisis.

These factors make it difficult for manufacturers to maintain competitive pricing, meet delivery schedules, and fulfill large-volume orders. Additionally, bar type CTs are not easily interchangeable with other technologies, so delays in CT availability can stall broader switchgear or substation projects.

To mitigate these risks, companies are increasingly seeking to localize supply chains, diversify supplier bases, and invest in raw material substitution. However, building resilience requires time and capital investment, making supply chain disruption a continuing challenge for the industry.

Key Market Trends

Rising Adoption in Renewable Energy Applications

The rapid expansion of renewable energy installations is creating new demand pockets for bar type current transformers across the globe. As countries accelerate the deployment of wind, solar, and hybrid renewable power systems, the need for accurate current measurement in power generation, distribution, and inverter systems is becoming more pronounced. Bar type CTs are being used extensively in compact switchgear and control panels associated with renewable energy infrastructure. These installations often operate in space-constrained and thermally demanding environments, making bar type CTs ideal due to their streamlined, robust construction and reliable thermal performance. With solar photovoltaic (PV) installations growing rapidly—particularly in Asia-Pacific, Europe, and North America—the integration of bar type CTs into combiner boxes, inverters, and power conditioning units is becoming standard practice. Similarly, in wind farms, where variable and high-current loads must be monitored accurately to ensure grid compliance and equipment safety, bar type CTs are widely used in nacelle-mounted equipment and substations. The adoption is also fueled by evolving technical standards that require high-accuracy metering and protection even in distributed and variable generation conditions. Furthermore, the rise of microgrids and decentralized generation models, often powered by renewables, is increasing the volume of current measurement points needed across the network. Manufacturers are thus developing CTs tailored for DC-coupled systems and low- to medium-voltage applications that are common in renewable setups. As energy systems become greener and more distributed, the role of bar type current transformers in enabling safe, efficient, and reliable renewable power integration is expanding significantly, marking this trend as a key driver of product innovation and market growth.

Integration with Smart Grid Infrastructure

The global rollout of smart grid infrastructure is significantly influencing the evolution of the bar type current transformer market. Smart grids require advanced sensing and communication technologies that enable real-time monitoring, automated control, and decentralized decision-making. Bar type CTs are now being integrated into digital substations, advanced distribution management systems (ADMS), and feeder automation projects as utilities modernize aging infrastructure and shift toward data-driven grid operations. This integration trend is driving the demand for compact, high-accuracy, and communication-enabled CTs that can feed real-time data into broader grid control systems. In this context, bar type CTs are increasingly being equipped with features such as wireless communication modules, Modbus or IEC 61850 compatibility, and digital signal outputs. This makes them valuable components in power quality monitoring, fault detection, and load forecasting applications. The increasing deployment of distributed energy resources (DERs) such as rooftop solar panels, battery storage systems, and EV charging networks further complicates grid behavior, necessitating more granular current monitoring at various nodes. Bar type CTs, with their ease of installation and adaptability, are well-suited for these use cases. Additionally, government-funded smart grid initiatives in countries like the United States, Germany, China, and India are incorporating bar type CTs into thousands of substations and feeder units. Utilities are also implementing demand response and peak load management strategies, which require accurate load profiling and real-time data capture—functions that bar type CTs are increasingly designed to support. As the grid becomes more intelligent and dynamic, bar type CTs are being re-engineered to align with this transformation, indicating a deepening integration between current sensing and digital grid intelligence.

Growing Use in Industrial Automation and Process Monitoring

The increasing focus on industrial automation and process optimization is leading to higher demand for bar type current transformers across sectors such as manufacturing, oil and gas, water treatment, and mining. These industries require precise current measurement for monitoring motors, drives, HVAC systems, and various automated machinery. Bar type CTs provide critical feedback for energy management systems, programmable logic controllers (PLCs), and distributed control systems (DCS), making them indispensable in modern factory and plant environments. As industries transition to Industry 4.0, the need for real-time electrical parameter monitoring has become more prominent. Bar type CTs are often deployed in compact motor control centers (MCCs) and electrical panels where space constraints and reliability are key considerations. Their rugged design ensures consistent performance even in harsh conditions involving high temperatures, vibrations, and dust. Additionally, bar type CTs are being integrated with condition-based monitoring systems that use electrical current anomalies to predict equipment failure or inefficiency. The move toward predictive maintenance further underscores their importance in industrial settings. Companies are increasingly installing these CTs not just for protection, but also for process optimization and energy benchmarking. In refineries, smelters, and manufacturing units, where energy costs represent a major portion of operating expenses, accurate current measurement can directly influence profitability. As energy efficiency regulations and sustainability goals gain momentum, bar type CTs are playing a vital role in helping industries monitor consumption patterns and reduce electrical losses. This trend is further supported by automation solution providers who integrate CTs into turnkey systems offered to clients seeking digital transformation across their production environments.

Emphasis on Compact, Maintenance-Free Designs for Modern Infrastructure

There is a clear trend in the global bar type current transformer market toward compact, low-maintenance designs that cater to the needs of modern infrastructure development. As urban construction becomes denser and more vertically oriented, there is an increasing need for electrical equipment that can fit into confined spaces without compromising on performance or safety. Bar type CTs are well-suited to these conditions due to their streamlined structure, which enables easy integration into low- and medium-voltage switchgear, control panels, and distribution boards. Developers and contractors prefer these CTs because they simplify installation, reduce the need for large enclosures, and support modular panel construction. Furthermore, the industry is seeing a shift from oil-immersed CTs to dry-type or resin-cast bar type CTs that require minimal maintenance and offer better fire resistance and environmental resilience. These low-maintenance variants are ideal for commercial buildings, hospitals, data centers, and metro rail projects where downtime is costly and safety is paramount. The demand for plug-and-play CT designs with pre-calibrated outputs and factory-tested accuracy levels is also growing, enabling faster deployment and reduced installation errors. Moreover, smart cities and green building initiatives are promoting the use of energy-efficient and compact electrical systems, further driving demand for advanced bar type CTs. As building automation systems and energy dashboards become more common, the need for reliable current data at the panel level is increasing, reinforcing the demand for CTs that are both space-saving and durable. This trend reflects a broader evolution in electrical infrastructure—where efficiency, size, safety, and ease of integration are as important as accuracy and performance—positioning compact bar type CTs as a key enabler of next-generation building systems.

Segmental Insights

Type Insights

Indoor Bar Type CTs segment dominated in the Global Bar Type Current Transformer market in 2024 due to a combination of rapid urbanization, widespread adoption of smart buildings, and the growing deployment of compact electrical infrastructure in industrial and commercial facilities. As cities expand vertically, there is a greater need for reliable current measurement solutions within enclosed environments such as switchgear rooms, control panels, and distribution boards. Indoor bar type CTs are specifically designed for such applications, offering compactness, easy integration, and high accuracy in low- and medium-voltage systems.

A key factor driving this dominance is the significant increase in infrastructure projects and real estate developments across Asia-Pacific, the Middle East, and parts of Africa and Latin America. These projects require scalable and efficient power distribution systems where indoor bar type CTs are a preferred choice due to their streamlined installation and low maintenance requirements. Moreover, they are cost-effective and support modular electrical system designs, which are commonly used in commercial complexes, hospitals, educational institutions, and manufacturing units.

Another contributing factor is the rising adoption of smart meters and energy management systems. Indoor bar type CTs are integral to these systems as they provide precise current monitoring for load balancing, demand-side management, and predictive maintenance. With governments and utilities globally implementing energy efficiency mandates and digital infrastructure upgrades, the demand for panel-mounted CTs has surged.

Technological advancements in dry-type insulation, resin-casting, and fire-resistant materials have further improved the reliability and safety of indoor bar type CTs, making them suitable for mission-critical applications. Their ability to operate effectively in controlled environments with minimal risk of environmental exposure also extends their lifecycle, reinforcing their popularity. As a result, the Indoor segment outpaces its outdoor counterpart in both volume and value, cementing its dominant position in the global market in 2024.

Insulation Type Insights

Dry-Type segment dominated the Global Bar Type Current Transformer market in 2024 due to its superior safety, reliability, and low maintenance requirements. Unlike oil-immersed alternatives, dry-type CTs eliminate fire and leakage risks, making them ideal for indoor installations in commercial buildings, data centers, and industrial facilities. Their compact design, ease of installation, and resistance to moisture and environmental contaminants also support growing demand in smart grids and renewable energy systems. As infrastructure modernizes and safety standards tighten globally, utilities and developers increasingly prefer dry-type CTs for their cost-effectiveness, environmental compatibility, and long operational life.

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Regional Insights

Largest Region

North America dominated the Global Bar Type Current Transformer market in 2024 due to its advanced electrical infrastructure, strong focus on grid modernization, and widespread adoption of smart technologies. The region’s leadership in upgrading aging power transmission and distribution (T&D) systems has significantly boosted the demand for bar type current transformers, particularly in low- and medium-voltage applications. These CTs are integral to switchgear, metering panels, and protection systems—key components in modern substations and commercial electrical networks.

The United States and Canada have invested heavily in smart grid initiatives, with the U.S. Department of Energy allocating billions of dollars toward automation, grid stability, and renewable energy integration. Bar type CTs play a critical role in these upgrades by providing accurate current measurement for intelligent electronic devices (IEDs), fault detection relays, and energy management systems. Additionally, the widespread rollout of advanced metering infrastructure (AMI) across North America has increased the adoption of compact and high-accuracy CTs in both residential and commercial sectors.

The rise in industrial automation and the growing presence of data centers—especially in the U.S.—have further fueled demand for dry-type and indoor bar type CTs. These sectors require precise current monitoring to support predictive maintenance, load balancing, and energy efficiency. With North America leading the world in data center capacity and industrial digitization, current transformers have become indispensable to electrical monitoring and protection.

Moreover, strict electrical safety standards and building codes in the region encourage the use of certified, high-performance CTs, favoring established local manufacturers and global players with regional operations. The growing integration of distributed energy resources (DERs), electric vehicles, and energy storage systems into the grid has also amplified the need for reliable current sensing at various network points. These factors collectively position North America as the leading region in the global bar type current transformer market in 2024.

Emerging Region

Europe was the emerging region in the Global Bar Type Current Transformer market in the coming period due to increasing investments in renewable energy integration, grid modernization, and smart infrastructure. The European Union’s aggressive decarbonization targets and energy efficiency regulations are driving demand for accurate current monitoring in substations, smart buildings, and distributed energy systems. Additionally, the region’s shift toward digital substations and advanced metering infrastructure (AMI) supports wider adoption of compact, dry-type, and indoor bar type CTs. Countries like Germany, France, and the Nordics are leading pilot projects and regulatory initiatives, positioning Europe as a high-growth market in the coming period.

Recent Developments

• In February 2025, UK-based BRUSH Group has entered an exclusive partnership with South Korea’s ILJIN Electric to expand its portfolio of medium- and high-voltage (36 kV) low-emission switchgear and >100 MVA transformers. ILJIN will leverage its Hwaseong-si Hongseong facility (opened October 2024), while BRUSH establishes a new switchgear production line at its Blackwood, South Wales site. The collaboration strengthens market reach for ILJIN and enhances BRUSH’s service capabilities, including development of an SF6-free switchgear solution for UK transmission and distribution projects.
• In November 2024, Akanksha Power and Infrastructure Ltd has signed an exclusive technology collaboration with Russia’s Radio and Microelectronics Trading House (JSC "RiM ТD") to manufacture medium voltage (up to 33 kV) direct measurement meters, sensors, and controller systems for vacuum circuit breakers and contactors. Production will be based in India under the "Make in India" initiative, with distribution targeting Asia, Africa, and Europe. The partnership strengthens Akanksha Power’s position in smart grid components and localized energy infrastructure solutions.
• In September 2024, Hasbro has launched multiple collaborations in China to celebrate the “Transformers One” movie and the brand’s 40th anniversary. Toys“R”Us has introduced themed “Transformers” zones in over 200 stores across major cities including Beijing and Shanghai. Concurrently, UNIQLO’s UTme! service offers customizable Transformers-themed t-shirts, with flagship stores in Beijing and Shanghai featuring exclusive in-store displays. These campaigns strengthen brand presence across China’s retail and fashion sectors while enhancing fan engagement and cross-sector merchandising opportunities.
• In May 2025, Hitachi Energy has successfully tested the world’s first 765 kV / 400 kV, 250 MVA single-phase power transformer filled with natural ester oil. The innovation enhances environmental safety and grid reliability by offering a biodegradable, fire-resistant alternative to mineral oils. Designed under the company’s TrafoStar platform, the transformer is part of a strategic push to support utility-scale ultra-high-voltage AC grids. A single 765 kV transformer can supply power to over 250,000 people, underscoring its role in long-distance, high-capacity transmission.

Key Market Players

• ABB Ltd.   
• Schneider Electric SE
• Siemens AG
• General Electric
• Eaton Corporation
• Mitsubishi Electric Corporation
• Arteche Group
• Ritz Instrument Transformers GmbH
• Pfiffner Instrument Transformers Ltd.
• CG Power and Industrial Solutions Ltd.        

Report Scope:

In this report, the Global Bar Type Current Transformer Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

•  Bar Type Current Transformer Market, By Type:

o   Indoor Bar Type CTs

o   Outdoor Bar Type CTs

• Bar Type Current Transformer Market, By Insulation Type:

o   Dry-Type

o   Oil-Immersed

o   Gas-Insulated

• Bar Type Current Transformer Market, By End-User Industry:

o   Utilities

o   Industrial

o   Commercial Buildings

o   Renewable Energy Plants

o   Data Centers

• Bar Type Current Transformer Market, By Region:

o   North America

§  United States

§  Canada

§  Mexico

o   Europe

§  Germany

§  France

§  United Kingdom

§  Italy

§  Spain

o   South America

§  Brazil

§  Argentina

§  Colombia

o   Asia-Pacific

§  China

§  India

§  Japan

§  South Korea

§  Australia

o   Middle East & Africa

§  Saudi Arabia

§  UAE

§  South Africa

Competitive Landscape

Company Profiles: Detailed analysis of the major companies present in the Global Bar Type Current Transformer Market.

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Company Information

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