Single-Phase Current Sensor Market
The future of the global single-phase current sensor market looks promising with opportunities in the industrial automation, smart home and power system markets. The global single-phase current sensor market is expected to reach an estimated $1,270.1 million by 2035 from $643.7 million in 2027 with a CAGR of 9.5% from 2027 to 2035. The major drivers for this market are increasing demand for energy-efficient automation solutions, rising adoption of smart grid and monitoring systems, and growing need for precise energy consumption measurement tools.
- Lucintel forecasts that, within the type category, digital output type is expected to witness higher growth over the forecast period due to enhanced precision and integration.
- Within the application category, industrial automation is expected to witness the highest growth over the forecast period due to rising demand for energy optimization and control.
- In terms of regions, APAC is expected to witness the highest growth over the forecast period due to rapid industrialization and technological advancements.
Emerging Trends in Single-Phase Current Sensor Market
Uuser friendly monitoring of single phase current sensors is becoming a priority over simple overcurrent detection. Over the next five years, electrification of buildings, equipment, solar, and charging infrastructure is expected to generate demand for small single phase current sensors. Lucintel predicts that equipment builders will be increasingly interested in small, accurate, isolated, and communicating sensors as they redesign the power architectures.
- Digital Monitoring: Energy management systems connect single phase current sensors with wireless gateways. The revised EU Energy Performance of Buildings Directive, passed in May 2024, is leading the expectation that new measurement demands be fulfilled by 2025 to 2027. During the next 3 to 5 years, the shift is expected to move from monitoring for protection to monitoring for analyzing and providing valued services on a recurring basis.
- Miniaturization: Smart plugs, heat pumps, and residential inverters are starting to utilize PCB mounted Hall effect or shunt designs, which are much smaller than traditional designs. In 2023, over 130 million heat pumps were installed around the globe, increasing the size of the market for which monitoring products may be sold. As companies try to provide monitoring capabilities in smaller products, smaller sizes will become more critical.
- Electrification: Residential solar, battery storage, and electric vehicle charging are creating more opportunities for single phase measurements. The IEA reported over 14 million electric vehicles were sold in 2023, which should extend new electric vehicle installations to less populated and lower power areas by 2025 to 2027. Sensors will continue to be needed for protective functions and billing regardless of the equipment sold.
- Safety and Isolation: Requirements for measurement safety isolation and insulation are increasing the demand for diagnostic functions. IEC 61800-5-1 and IEC 61010 remain reference standards during 2025 certification. Suppliers who can offer accuracy of measurement and certification of protective functions are expected to gain an increasing market share.
- Supply Chain Diversification: Concentration risk was emphasized during the semiconductor disruptions and has prompted buyers to qualify second sources in Asia, Europe, and North America. The SIA predicts the semiconductor industry sales will be $526.9 billion for 2023. Regional qualification will dictate purchasing decisions for the next five years, even with the expected dominance of low-cost production in Asia.
It is expected that demand will continue to be pragmatic regarding energy visibility rather than simply sensor replacement. Vendors that can offer strong isolation, calibrated sensors, or interfaces will dominate specification wins. Pressure on price in appliance markets will continue while solar, storage, charging, and industrial monitoring will drive improved margins. The market trends toward increased sensing points with greater concentration and tighter certification to a greater value of data.
Recent Developments in the Single-Phase Current Sensor Market
The single-phase current sensor market will experience more active investments as electrification reaches residential power systems, heat pumps, solar inverters, and compact industrial machines through 2027. During this time suppliers will prioritize lower standby use and ease of compliance with integrated magnetic sensing. Lucintel expects the highest demand to be in places where intelligent energy monitoring is required to be built in.
- Integrated Sensors: Allegro MicroSystems announced the ACS37030 family of bidirectional 180A current sensors in January, 2025. The integrated design means that sensors take up less space and cost less resulting in more products using them in the next three to five years.
- Smart Meter Deployments: The revision of the electricity market framework in the EU during 2025 also focused on the digitalization of the grid and included the deployment of smart meters. This continues to create demand in single-phase current sensors for residential usage for meters that require remote measurements and outage measurement visibility.
- Solar Inverter Associations: In 2025, Enphase Energy reported close to 7.5 million microinverters sold, and continued business partnerships with both installers and semiconductor companies. Residential solar installations will provide more sensor demand with each unit, to add current monitoring to avoid islanding, fault detection, and optimization.
- EV Charging: According to data for 2024 published by the European Automobile Manufacturers' Association, battery electric vehicles amounted to roughly 14% of the new registrations, and the investment in charging infrastructure continued throughout 2025. Single-phase sensors are now being installed in home charging systems, allowing for efficient load balancing and preventing electrical service panel overload.
- Factory Automation Investment: Siemens says it will invest €500 million next year to build more semiconductor manufacturing capacity in Germany. Automation funding extends into 2025. The supply of power-management devices will help increase the usage of sensors in small drives and control cabinets, but supply allocation will continue to be a purchasing worry.
Markets will shift away from buying individual sensors and more toward buying integrated and digitally connected devices. Smart meters will continue to have pricing pressure, but Safety and energy-efficiency requirements will help protect a higher-value products. Vendors with isolation dependence, compact device packaging, and multi-region Certification will win design cycles. The market continues to be highly fragmented, but the design barriers favor established vendors during the forecast period.
Strategic Growth Opportunities in the Single-Phase Current Sensor Market
Commercial opportunities will emerge in the single-phase current sensor market during the period of 2024 to 2026, when measurement extends beyond industrial panels to distributed energy, electrification, and new efficiency regulations. Residential loads will require low-cost monitoring, while manufacturers seek smaller, isolated devices. Lucintel's market perspective indicates that the energy transition will also generate demand.
- Smart Home Energy Monitoring: Sensor manufacturers provide connected modules for circuit-level tracking for homes and small buildings. In January 2025, the EU reported more than 11 million installations of heat pumps, creating a need for load visibility. This opportunity will also increase while utility and consumer load management is implemented for electrified heating, storage, and dynamic tariffs.
- Electric Vehicle Charging: Single phase charging protection and load balancing will be improved by compact current sensing. In March 2025, the IEA estimated that electric vehicle sales will be over 20 million for the year. Charging deployment will create a consistent demand across the residential and workplace markets for calibrated current sensors.
- Solar-plus-storage Systems: Inverters and batteries will require sensing for control, fault detection, and energy management, at lower costs. In December 2024, the U.S. EIA reported that 40.5 GW of small scale solar capacity was installed. Increased self- generation will create a demand for sensors designed for measuring current for energy storage systems, and built to withstand adverse outdoor environments.
- Premium Isolated Sensors: High-accuracy sensors will provide safety and low drift, and meet the needs of medical devices and high-efficiency appliances. In April 2025, IEC 60601-1 continued governing electrical safety for medical devices. New safety requirements will protect margins, as basic sensing will become a commodity.
- Aftermarket Predictive Maintenance: Manufacturers can sell aftermarket sensors, gateways, and analytics for older motors, pumps, and refrigeration equipment. In February 2025, the U.S. Department of Energy estimated that industrial motors consumed 1,109 TWh of energy on an annual basis. Retrofit monitoring will become commonplace, as operators are now able to detect abnormal current, without the need of replacing entire control systems.
The market will favor suppliers that combine high accuracy sensors along with ease of installation and strong comprehensive brought-to-market solution and compliance documentation. Residential and charging infrastructure markets will dictate volume, while the industrial retrofit and medical segments will realize higher market segment margins. The longer one is able to sustain the competition, the higher the margin on the services will be.
Single-Phase Current Sensor Market Drivers and Challenges
The growth of the single-phase current sensor market is defined by changes in technology and increasing energy demand, digitization of industry and the development of new energy regulations. There is an increase in customer demand for accurate, compact and cost effective monitors across all sectors of the economy. In addition, increasing deployment for sustainability initiatives. Increasingly, Lucintel explains that the ability to integrate, rely, secure and manufacture systems in an innovative way gives a competitive edge to market players.
The major market growth drivers are:
- Smart Metering: Electric utility projects, which involve deployment of smart meters, create demand for highly accurate and compact current sensors. Under its National Smart Metering Program, India aims for installation of 250 million prepaid meters by 2025 and this initiative will drive the market over the next 3 to 5 years, since utilities will change the traditional meters to smart meters with a focus on real time consumption data.
- Electric Vehicle Charging: Both residential and commercial charging infrastructure will need current measurement for protection, billing and load management. The International Energy Agency reported that 2024 saw the sale of over 17 million electric vehicles worldwide which will ensure continued growth in charging infrastructure in 2025 and beyond. This will drive demand for sensors in charging wall units, energy management systems and distributed charging networks.
- Industrial Automation: Industry is adopting connected equipment to reduce downtime and improve energy efficiency and performance of the machines. The International Federation of Robotics reports that 2023 saw the installation of more than half a million industrial robots globally and automation spending remained steady in 2025. Over the next 3 to 5 years, sensors will be integrated in motor controls across industry and mainstream automation along with robotics and predictive maintenance.
- Integration of Renewable Energy: Solar inverters, battery systems, and microgrids need current sensing for conversion control, fault detection, and maximum power point tracking. The International Energy Agency forecasts that by 2030, there will be a significant increase in renewable-energy generation with solar accounting for the biggest share of new capacity. This will create demand for accurate single-phase sensors for distributed generation and energy storage systems.
- Digital Innovation and Miniaturization: Hall-effect, magnetic, shunt-based, and integrated current sensors are becoming more digitally-oriented, smaller, and simpler to connect and interface with a digital controller. Devices are offering high accuracy, low power consumption, and better communication integration in small packages. Innovations in the next 3 to 5 years will drive the market with low-complexity installation and current sensing in smart appliances, power supplies, and smart building systems.
The key challenges for this Market are:
- Price Squeeze: Margin erosion is most visible in high-volume metering and consumer-electronics applications due to intense competition. Relatively high demand and volatility in pricing from suppliers for semiconductors/electronic components complicates procurement in 2025. Unlike other markets, suppliers will require large scale efficiencies, design standardization and automation to improve profitability without compromising accuracy and reliability in operation.
- Accuracy and Environmental Considerations: Sensors must perform reliably and accurately in extreme temperature conditions and can be subjected to overloads, vibration, electromagnetic fields, and changing operating conditions over the lifetime of the product. Measurement errors will result in unintended product failures and incorrect energy management. Manufacturers will incur significant costs for testing and shielding to meet performance requirements for outdoor, industrial, and high temperature operating environments.
- Complexities in Regulations and Supply Chains: Products must meet safety, EM compatibility, metering, and data protection requirements in different regions. The Cyber Resilience Act of the EU came into force in December 2024, with key provisions to apply in December 2027. In the next 3 to 5 years, new regulations will add cost to documentation, software, and certification. Volatile geopolitical situations continue to disrupt the supply of semiconductors and of magnets.
The smart meter roll out, needs for charging electric vehicles (EVs), industrial automation, incorporation of renewable energy sources (RES), and the need for smaller, but more powerful, digital devices will stimulate the market for current sensors for a variety of applications and will create a need for greater accuracy and energy efficiency, along with the ability to be more connected. However, competition, expectation for reliability, demands of regulations, and the unpredictable supply chains will inhibit market growth and lengthen the approval process of new products. Manufacturing services that are flexible and scalable, along with the ability to integrate cyber secure services, and to be flexible to address different applications should give companies a competitive edge. Overall this market is expected to grow steadily, with the areas of greatest growth expected to be those that converge the need for electrification, distributed energy systems, and intelligent monitoring.
List of Single-Phase Current Sensor Market Companies
Companies in the market compete on the basis of product quality offered. Major players in this market focus on expanding their manufacturing facilities, R&D investments, infrastructural development, and leverage integration opportunities across the value chain. Through these strategies single-phase current sensor market companies cater increasing demand, ensure competitive effectiveness, develop innovative products & technologies, reduce production costs, and expand their customer base. Some of the single-phase current sensor market companies profiled in this report include-
- Victron Energy
- DigiKey
- Davicom
- LEM Sensors
- NETVOX
- Hellas Digital
- Honeywell
- Pixel Electric
- Pressac Communications
- Setra Systems
Single-Phase Current Sensor Market by Segment
The study includes a forecast for the global single-phase current sensor market by type, application, and region.
Single-Phase Current Sensor Market by Type [Value ($M) from 2019 to 2035]:
- Analog Output Type
- Digital Output Type
Single-Phase Current Sensor Market by Application [Value ($M) from 2019 to 2035]:
- Industrial Automation
- Smart Home
- Power System
- Others
Single-Phase Current Sensor Market by Region [Value ($M) from 2019 to 2035]:
- North America
- Europe
- Asia Pacific
- The Rest of the World
Country Wise Outlook for the Single-Phase Current Sensor Market
Electrification, digitization of power grids, and localization of semiconductors are influencing the development of current sensors. In 2025-2027, new wafer fabrication capacity, local funding for automotive electronics, and a more restrictive control of supply chains in the region is expected to strengthen production. Lucintel's analysis does not provide individual forecasts for these segments, but deems this an important factor for strategy.
- United States: Under the CHIPS program in December 2024, Micron was granted $6.1 billion to construct U.S. memory manufacturing infrastructure. In addition, the continuing deployment of digital equipment through modernization of the power grid will improve the resilience of the supply chain for current sensing components for vehicles, charging equipment, industrial controls, and power distribution networks, through 2030.
- China: Industrial localization: Construction of mature node and power semiconductors is continuing, with Hua Hong Semiconductor's 12-inch Wuxi facility reaching the intended 40,000-wafer-per-month capacity in 2025. Combined with national policies of preference to domestic components, this will strengthen local production of Hall-effect and shunt sensors for electric vehicles, appliances, photovoltaic systems, and factory automation within the next three to five years.
- Germany: Infineon's Dresden power semiconductor fabrication, with the planned €5 billion European Chips Act investment, aims to produce power semiconductors from 2026, thus improving access to power semiconductors within Europe and reducing the reliance on imported components. This will improve access to current sensors for use in automotive inverters, charging systems, and industrial equipment.
- India: The government approved Tata's plan to set up its Rs. 91,000 crore semiconductor fab at Dholera in February 2024 with market readiness anticipated by 2026. Along with the fab, Tata announced the establishment of a Rs. 27,000 crore assembly and testing plant in Assam. These projects will not only improve India's electronic manufacturing capacity, but also create domestic need for current sensors being used in chargers, renewable energy and other devices, and mobility systems.
- Japan: Renesas set a 2025 goal for its 2022 ¥90 billion investment toward expansion of its Kofu power-semiconductor facility, while Toyota and other automakers have begun to accelerate their programs for electrified vehicles. There will be increased demand for compact, accurate, single-phase current sensors throughout the Japanese manufacturing supply chain for power devices and more integrated vehicle electronics.
Features of the Global Single-Phase Current Sensor Market
- Market Size Estimates: single-phase current sensor market size estimation in terms of value ($B).
- Trend and Forecast Analysis: Market trends (2019 to 2026) and forecast (2027 to 2035) by various segments and regions.
- Segmentation Analysis: single-phase current sensor market size by type, application, and region in terms of value ($B).
- Regional Analysis: single-phase current sensor market breakdown by North America, Europe, Asia Pacific, and Rest of the World.
- Growth Opportunities: Analysis of growth opportunities in different type, application, and regions for the single-phase current sensor market.
- Strategic Analysis: This includes M&A, new product development, and competitive landscape of the single-phase current sensor market.
Analysis of competitive intensity of the industry based on Porter's Five Forces model.
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This report answers following 11 key questions:
- Q.1. What are some of the most promising, high-growth opportunities for the single-phase current sensor market by type (analog output type and digital output type), application (industrial automation, smart home, power system, and others), and region (North America, Europe, Asia Pacific, and the Rest of the World)?
- Q.2. Which segments will grow at a faster pace and why?
- Q.3. Which region will grow at a faster pace and why?
- Q.4. What are the key factors affecting market dynamics? What are the key challenges and business risks in this market?
- Q.5. What are the business risks and competitive threats in this market?
- Q.6. What are the emerging trends in this market and the reasons behind them?
- Q.7. What are some of the changing demands of customers in the market?
- Q.8. What are the new developments in the market? Which companies are leading these developments?
- Q.9. Who are the major players in this market? What strategic initiatives are key players pursuing for business growth?
- Q.10. What are some of the competing products in this market and how big of a threat do they pose for loss of market share by material or product substitution?
- Q.11. What M&A activity has occurred in the last 6 years and what has its impact been on the industry?