Automotive Industry Today

On Board Electrical System for Power Supply Market at 76.12 billion in 2023 expected to reach 148.3 billion by 2032

On-board systems supply reliable power to vehicle electronics, sensors, and infotainment devices.
Published 28 June 2025

on board electrical system for power supply Market Size was estimated at 76.12 (USD Billion) in 2023. The On Board Electrical System For Power Supply Market Industry is expected to grow from 81.98(USD Billion) in 2024 to 148.3 (USD Billion) by 2032. The on board electrical system for power supply Market CAGR (growth rate) is expected to be around 7.69% during the forecast period (2024 - 2032).

The on-board electrical system for power supply market is a vital segment of the automotive and aerospace industries, encompassing the technologies and components used to generate, distribute, and manage electrical power within vehicles and aircraft. These systems are critical for powering various electronic components, including infotainment systems, navigation aids, safety features, and propulsion systems in electric and hybrid vehicles. With the increasing complexity of electrical systems in modern vehicles and the shift towards electrification, the demand for advanced on-board electrical systems is rapidly growing.

The global market for on-board electrical systems is projected to grow at a compound annual growth rate (CAGR) of approximately 8% over the next five years, driven by advancements in automotive technology, increasing consumer demand for electric vehicles (EVs), and the need for improved energy efficiency.

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Market Drivers

1. Rising Demand for Electric Vehicles

The transition towards electric mobility is one of the primary drivers of the on-board electrical system market. As more consumers adopt electric and hybrid vehicles, the need for efficient power supply systems to manage energy consumption and distribution becomes increasingly critical. On-board electrical systems play a crucial role in optimizing battery performance and extending vehicle range.

2. Advancements in Automotive Technology

Modern vehicles are equipped with a plethora of electronic systems that enhance safety, comfort, and connectivity. The integration of advanced driver-assistance systems (ADAS), infotainment systems, and other electronic features requires robust on-board electrical systems capable of delivering reliable power. Technological advancements in power management and distribution are essential to support these innovations.

3. Increasing Focus on Energy Efficiency

There is a growing emphasis on energy efficiency within the automotive industry, driven by regulatory standards and consumer preferences for sustainable solutions. On-board electrical systems are being designed to optimize energy usage, reduce waste, and improve overall vehicle efficiency. This focus on sustainability is propelling the demand for advanced power supply systems.

Key Companies

Several key players are leading the on-board electrical system for power supply market, contributing to its growth through innovation and strategic initiatives:

1. Bosch

Bosch is a global leader in automotive technology, providing a wide range of on-board electrical systems and components. Their advanced power supply solutions are designed to meet the evolving needs of electric and hybrid vehicles.

2. Delphi Technologies

Delphi Technologies specializes in advanced automotive technologies, including electrical power systems. The company focuses on developing innovative solutions to enhance energy efficiency and performance in vehicles.

3. Continental AG

Continental is a major player in the automotive industry, offering comprehensive on-board electrical systems and components. Their expertise in power management and distribution technologies positions them as a key contributor to the market.

4. DENSO Corporation

DENSO is a leading manufacturer of automotive components, including electrical power systems. The company is committed to developing advanced technologies that improve vehicle performance and energy efficiency.

5. Magna International Inc.

Magna is a global automotive supplier that provides a range of electrical and electronic systems for vehicles. Their innovative solutions focus on enhancing power management and integrating advanced technologies into on-board systems.

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Market Restraints

Despite its growth potential, the on-board electrical system for power supply market faces several challenges:

1. High Development Costs

The development and integration of advanced on-board electrical systems can involve significant costs, particularly for research and development, testing, and manufacturing. These high costs may deter some manufacturers from investing in new technologies.

2. Complexity of Electrical Systems

As vehicles become increasingly complex, managing and integrating various electrical systems poses challenges. Ensuring compatibility and reliability among different components is crucial for the performance of on-board electrical systems.

3. Regulatory Compliance

The automotive industry is subject to stringent regulations regarding safety, emissions, and energy efficiency. Compliance with these regulations can complicate the development and deployment of new electrical systems, potentially delaying market entry.

Market Segmentation Insights

The on-board electrical system for power supply market can be segmented based on type, application, vehicle type, and geographic regions:

1. Type

  • Power Distribution Units (PDUs): Essential for managing and distributing electrical power within vehicles, PDUs are critical for ensuring reliable operation of electrical systems.
  • Battery Management Systems (BMS): BMS are crucial for monitoring and managing battery performance, particularly in electric and hybrid vehicles. They optimize charging and discharging cycles to enhance battery life.
  • Voltage Regulators: These components ensure a stable voltage supply to electrical systems, protecting sensitive electronics from voltage fluctuations.

2. Application

  • Passenger Vehicles: The largest segment, driven by increasing consumer demand for advanced features and electric vehicles.
  • Commercial Vehicles: The growing adoption of electric commercial vehicles is driving the demand for robust on-board electrical systems in this segment.
  • Aerospace: On-board electrical systems are also crucial in the aerospace sector for managing power supply in aircraft.

3. Vehicle Type

  • Battery Electric Vehicles (BEVs): These vehicles rely entirely on electric power and require advanced on-board electrical systems for efficient energy management.
  • Hybrid Electric Vehicles (HEVs): HEVs combine internal combustion engines with electric power, necessitating sophisticated electrical systems to manage power distribution.
  • Conventional Vehicles: Traditional vehicles also utilize on-board electrical systems for various functions, although the focus is shifting towards electrification.

4. Geographic Regions

  • North America: A leading market for on-board electrical systems, driven by strong demand for electric vehicles and advanced automotive technologies.
  • Europe: Characterized by stringent regulations and a strong focus on sustainability, the European market is rapidly adopting advanced electrical systems.
  • Asia-Pacific: The fastest-growing market, led by countries like China and Japan, which are investing heavily in electric vehicle production and technology.

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Future Scope

The future of the on-board electrical system for power supply market appears promising, with several emerging trends and innovations on the horizon:

1. Integration of Smart Technologies

The integration of smart technologies, such as IoT (Internet of Things) and AI (Artificial Intelligence), into on-board electrical systems will enhance their capabilities. Smart systems can optimize energy management, monitor performance, and provide real-time data for decision-making.

2. Development of Solid-State Batteries

The emergence of solid-state batteries, which offer higher energy density and improved safety compared to traditional lithium-ion batteries, will drive advancements in on-board electrical systems. These batteries can enable longer ranges and faster charging times for electric vehicles.

3. Focus on Sustainable Solutions

As the automotive industry increasingly emphasizes sustainability, on-board electrical systems will evolve to incorporate eco-friendly materials and energy-efficient designs. Manufacturers will focus on reducing the environmental impact of their products throughout the lifecycle.

4. Enhanced Vehicle-to-Grid (V2G) Technologies

The development of V2G technologies, which allow electric vehicles to communicate with the power grid, will play a significant role in the future of on-board electrical systems. This technology can enable bidirectional energy flow, allowing vehicles to supply power back to the grid during peak demand.

The on-board electrical system for power supply market is poised for significant growth, driven by the rising demand for electric vehicles, advancements in automotive technology, and the need for improved energy efficiency. While challenges such as high development costs and regulatory compliance exist, the potential for innovation and emerging trends presents exciting opportunities for stakeholders. As the automotive industry continues to evolve towards electrification and smarter technologies, the role of on-board electrical systems will be critical in shaping the future of transportation, enhancing safety, efficiency, and sustainability.

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