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The total available market (TAM) for device power supply distributors in the U.S. is substantial and expanding, driven by industrial automation, electrification, and increasing energy demands.
In 2024, the U.S. industrial power supply market is estimated at approximately $8.2 billion, with projections indicating growth to around $21.5 billion by 2034, reflecting a 10.4% compound annual growth rate (CAGR) . This market encompasses power supplies for sectors such as robotics, semiconductors, aerospace, transportation, and test & measurement.
The broader electrical distribution industry, which includes power supply distributors, is valued at about $72 billion. The National Association of Electrical Distributors (NAED) reports over 4,200 member locations and approximately 75,000 employees nationwide . Prominent distributors like Graybar and HD Supply significantly contribute to this market, with Graybar reporting $11 billion in revenue in 2023.
Key factors propelling market growth include:
Energy Efficiency: Emphasis on sustainable and energy-efficient power supplies aligns with environmental goals.
These trends suggest a robust and growing market for device power supply distributors in the U.S., with significant opportunities for expansion and innovation.
Some of the biggest power supply distributors in the U.S.—especially in the industrial and electrical sectors—include a mix of general electrical distributors and specialized power supply companies. Here's a list of key players:
The Power Supply Units Market size is estimated at USD 35.86 billion in 2025, and is expected to reach USD 49.29 billion by 2030, at a CAGR of 6.57% during the forecast period (2025-2030).
The power supply industry is experiencing significant transformation driven by rapid digitalization and technological advancement across various sectors. The telecommunications sector is witnessing unprecedented growth, with global 5G subscriptions projected to reach 4,372.73 million by 2027, necessitating robust power supply infrastructure. This digital revolution has led to a surge in data center establishments, with the United States leading globally with 5,381 data centers as of March 2024, followed by Germany with 521 centers. The increasing demand for high-performance computing and data processing capabilities has created a substantial need for reliable and efficient power supply solutions.
The automotive industry's transition towards electrification represents a major shift in power supply requirements. Electric vehicle sales have shown remarkable growth, accounting for 14% of global passenger car sales in 2022, with major automotive manufacturers investing heavily in EV technology and charging infrastructure. This transformation has spurred innovation in power supply technologies, particularly in DC-DC converters and charging solutions, as manufacturers focus on developing more efficient and compact power delivery systems.
The consumer electronics landscape continues to evolve with the proliferation of smart devices and wearable technology. Industry projections indicate that global smartphone connections will reach 9 billion by 2030, representing 92% of total connections. This growth is accompanied by increasing demands for fast-charging capabilities and energy-efficient power solutions, driving manufacturers to develop more sophisticated power supply devices that can deliver higher power density while maintaining compact form factors.
The healthcare sector is emerging as a significant driver for power supply innovation, particularly in medical device applications. The Indian medical devices market, for instance, is projected to reach USD 50 billion by 2025, supported by government initiatives and increasing investments in healthcare infrastructure. In Europe, significant infrastructure investments are underway, with the European Union committing EUR 584 billion by 2030 for power grid improvements, demonstrating the growing emphasis on modernizing power distribution systems to support emerging technologies and applications.
The proliferation of home and building automation systems is revolutionizing power supply requirements across residential and commercial sectors. According to GSMA, the global number of Internet of Things (IoT) connections is projected to steadily increase, with consumer IoT connections expected to reach approximately 14 billion by 2030. This surge in connected devices has created unprecedented demand for reliable and efficient power supply solutions that can support various automation applications, from smart lighting and HVAC systems to security and entertainment devices.
The integration of IoT technology in various aspects of daily life has made smart homes increasingly sophisticated, providing improved convenience and safety. Advanced solutions utilizing microcontrollers offer consumers energy-efficient, smart, and secure automation systems with easy-to-use controls and various connectivity choices. For instance, in March 2024, Y5home Technologies transformed home automation through innovative IoT solutions, offering comprehensive options for controlling, monitoring, securing, and managing electrical devices. Their product line includes security features like digital door locks and video doorbell cameras, as well as lighting options like RGB + CCT lighting and smart touch switches, all requiring specialized power supply solutions to ensure optimal performance.
The growing emphasis on energy efficiency has become a crucial driver for power supply device innovation, particularly as organizations and consumers seek to reduce energy costs and environmental impact. Many countries have implemented regulations to improve energy efficiency in household appliances, with China alone implementing more than 65 Minimum Energy Performance Standards (MEPS) and mandatory labels for over 37 products. By 2030, the energy saved annually through these measures will be equivalent to the electricity generated by approximately 173 large coal-fired power plants.
The demand for energy-efficient devices is witnessing significant growth in both residential and commercial sectors. For instance, in June 2023, Japanese companies faced increased competition for energy-saving products, mainly due to rising electricity prices, with many customers purchasing new air conditioners to replace older models and showing growing interest in portable power supply equipment that can store electricity from solar panels. Additionally, in March 2023, India introduced four new energy efficiency regulations for household appliances, aiming to decrease CO2 emissions by approximately 9 million metric tons by 2030. These regulations align with India's commitment to enhanced climate initiatives on a global scale, driving the development and adoption of more efficient power supply solutions.
The consumer segment dominates the global power supply devices market, commanding approximately 21% market share in 2024. This segment's leadership position is driven by the increasing adoption of consumer electronics like smartphones, laptops, wearables, and other portable devices that require reliable power adapter solutions. The growing demand for DC power supplies in consumer electronics from AC sources has significantly impacted market growth. The rise of smart home devices, coupled with the continuous development of fast-charging adapters and recent product launches, has further strengthened this segment's position. Major tech companies' efforts to innovate their products, particularly in the smartphone and laptop sectors, have created substantial demand for AC-DC power adapters, solidifying the consumer segment's market leadership.
The servers segment is emerging as the fastest-growing category in the power supply devices market, projected to grow at approximately 8% CAGR from 2024 to 2029. This remarkable growth is primarily driven by the rapid expansion of data centers, the increasing adoption of cloud computing services, and the rising demand for AI servers. The segment's growth is further accelerated by the surge in data processing requirements, the implementation of 5G networks, and the growing need for efficient voltage regulator solutions in server infrastructure. The emergence of advanced technologies like artificial intelligence, machine learning, and big data analytics has created a substantial demand for high-performance servers, consequently driving the need for sophisticated power supply solutions that can deliver stable and efficient power to these critical systems.
The power electronics market encompasses several other significant segments, including industrial, communication, automotive/transportation, and lighting sectors. The industrial segment plays a crucial role in supporting manufacturing automation and process control systems, while the communication segment caters to the growing telecommunications infrastructure and 5G network deployment. The automotive/transportation segment is gaining prominence due to the increasing adoption of electric vehicles and advanced automotive electronics. The lighting segment, though smaller in market share, remains essential for LED lighting applications and smart lighting systems. Each of these segments contributes uniquely to the market's dynamics, driven by specific technological advancements and industry requirements in their respective domains.
North America represents a significant power supply market for power supply devices, driven by technological advancements across various sectors, including telecommunications, industrial automation, and consumer electronics. The United States and Canada are witnessing increased adoption of home and building automation systems, along with a growing focus on energy-efficient devices. The region's emphasis on sustainable energy solutions and the rapid expansion of electric vehicle infrastructure are creating substantial opportunities for power supply device manufacturers. The presence of major technology companies and robust telecommunications infrastructure further strengthens the market dynamics in this region.
The United States dominates the North American power supply market, holding approximately 88% market share in 2024. The country's leadership position is reinforced by its robust technology sector and advanced infrastructure in the global electronics industry. The nation is experiencing significant growth in commercial construction activities and building automation implementations. The emphasis on energy-efficient devices, supported by initiatives from the Environmental Protection Agency (EPA) and Department of Energy (DOE), continues to drive market growth. The country's strong manufacturing base and increasing investments in industrial automation further contribute to market expansion. Additionally, the rising adoption of electric vehicles and development of charging infrastructure create substantial demand for power supply devices.
Canada emerges as the fastest-growing market in North America, with a projected growth rate of approximately 7% during 2024-2029. The country's market is driven by increasing adoption of home automation technologies and government initiatives promoting energy-efficient devices. Canada's strong focus on renewable energy adoption and sustainable practices creates significant opportunities for power supply device manufacturers. The nation's expanding telecommunications infrastructure and growing investment in 5G technology implementation further boost market growth. The country's automotive sector, particularly the electric vehicle segment, is witnessing substantial development, creating additional demand for power supply devices.
Europe represents a mature market for power supply devices, characterized by a strong emphasis on renewable energy integration and industrial automation. The region's market is shaped by countries including Germany, the United Kingdom, and France, each contributing significantly to the overall power supply market share. The European Union's stringent regulations on energy efficiency and environmental protection drive the adoption of advanced power supply solutions. The region's focus on smart manufacturing initiatives and Industry 4.0 implementation creates substantial opportunities for power supply market manufacturers. The growing electric vehicle market and expanding charging infrastructure further augment market growth across the region.
Germany leads the European power supply market, commanding approximately 35% market share in 2024. The country's dominant position is supported by its strong industrial base and leadership in automotive manufacturing. Germany stands as the largest consumer of renewable energy in Europe, driving demand for power supply devices in renewable energy applications. The nation's commitment to Industry 4.0 initiatives and industrial automation creates substantial opportunities for power supply industry manufacturers. The country's robust automotive sector, particularly in electric vehicle production, further strengthens market growth.
France demonstrates strong growth potential with a projected growth rate of approximately 5% during 2024-2029. The country's market is driven by significant investments in digital transformation and industrial modernization. The French government's initiatives, including the France 2030 plan and Electronique 2030 program, create substantial opportunities for power supply industry manufacturers. The nation's focus on renewable energy adoption and electric vehicle infrastructure development further supports market growth. Additionally, France's advancing healthcare sector and increasing adoption of digital health solutions contribute to market expansion.
The Asia-Pacific region represents a dynamic market for power supply devices, driven by rapid industrialization and technological advancement across major economies, including China, India, and Japan. The region demonstrates strong growth potential supported by increasing investments in manufacturing capabilities and infrastructure development. The rapid adoption of consumer electronics, expansion of telecommunications infrastructure, and growing focus on renewable energy integration create substantial opportunities for market growth. The region's automotive sector, particularly the electric vehicle segment, further drives demand for power supply devices.
China dominates the Asia-Pacific power supply market, leveraging its position as a global manufacturing hub for electronics and consumer devices. The country's leadership in renewable energy deployment and electric vehicle adoption creates substantial demand for power supply devices. China's robust telecommunications infrastructure and rapid 5G network expansion further drive market growth. The nation's focus on industrial automation and smart manufacturing initiatives continues to create new opportunities for power supply market manufacturers.
India emerges as a high-growth market in the Asia-Pacific region, driven by rapid digitalization and industrial modernization initiatives. The country's focus on expanding manufacturing capabilities through initiatives like 'Make in India' creates substantial opportunities for power supply industry manufacturers. India's growing telecommunications sector and increasing smartphone penetration drive demand for power supply solutions. The nation's emphasis on renewable energy integration and electric vehicle adoption further supports market growth.
The Rest of the World market, encompassing Latin America and the Middle East & Africa, demonstrates growing potential in the power supply market. These regions are witnessing increased adoption of consumer electronics and growing investments in telecommunications infrastructure. The focus on renewable energy integration and sustainable development creates new opportunities for market growth. The automotive sector, particularly electric vehicles, shows promising development across these regions. The Middle East leads in market size, while Latin America shows the fastest growth potential, driven by increasing urbanization and industrial development. Government initiatives supporting digital transformation and infrastructure development further contribute to market expansion in these regions.
* In the final report, Asia, Australia, and New Zealand will be studied as "Asia Pacific".
A power supply provides electric power to a load. It transforms electric current into the required voltage, current, and frequency. Sources include the power grid, batteries, fuel cells, generators, solar converters, and more.
| By Device Type | AC-DC Power Supplies, DC-DC Converters |
| By End-user Industry | Communication, Industrial, Consumer & Mobile, Automotive, Transportation, Lighting, Others |
| By Geography | Americas, Europe, Asia, Australia & New Zealand, Middle East & Africa |
Market Size: USD 35.86 billion in 2025, projected to reach USD 49.29 billion by 2030 at 6.57% CAGR.
Key Players: Delta Electronics, Emerson Electric, LITE-ON Technology, Acbel Polytech, Salcomp PLC.
Fastest Growing Region: Asia Pacific (2025–2030).
Largest Share: Asia Pacific (2025).
Years Covered: Historical 2019–2024, Forecast 2025–2030.
Mordor Intelligence provides market outlook and competitive insights, including UPS, power electronics, and voltage regulators. Methodology combines primary and secondary data for accurate forecasts.
Full report: Power Supply Devices Market
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