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Sales of Light-Duty Vehicles with 48-Volt Electrical Subsystems Will Reach Nearly 13.5 Million Annually by 2023, Forecasts Navigant Research

As auto manufacturers continue to replace mechanical systems with electrical components, particularly in stop-start vehicles, the demands for power have begun to outstrip the capabilities of traditional battery systems. Increasing the voltage of certain subsystems by four times – going from a nominal 12-volt to a 48-volt (48V) system – means that the same power can be delivered with one-quarter of the current. Click to tweet: According to a new research brief from Navigant Research, sales of light-duty vehicles with 48V electrical subsystems will reach nearly 13.5 million by 2023.

“Lower currents mean thinner wires and less copper required, saving cost and weight,” says David Alexander, senior research analyst with Navigant Research. “Today, the cost of power electronics has come down to the point that there are fewer barriers to installing multiple voltage subsystems, thus increasing the cars’ efficiency without the need to implement full hybrid or plug-in electric capability.”

Sales of new cars with 48V systems are expected to be slow until the end of the decade, then ramp up quickly from 2020 to 2023, according to the report. As the result of aggressive fuel economy and emissions regulations, Western Europe is expected to be the leading market for 48V system sales over the next 10 years. Meanwhile, German luxury vehicle manufacturers have collaborated to develop a 48V system that sets the foundation for more capable stop-start systems that will enable other electrification features.

The report, “48-Volt Systems for Stop-Start Vehicles and Micro Hybrids,” analyzes the opportunities and challenges for 48V electrical subsystems in vehicles. The study provides an examination of the reasons to move to a higher voltage for stop-start component systems, including the options for energy storage. Global forecasts are provided for light duty vehicle sales that feature 48V systems by world region through 2023. The report also provides a summary of the benefits, drivers, and market barriers for 48V systems, as well as profiles of the key market players that are promoting this technology. An Executive Summary of the report is available for free download on the Navigant Research website.

About Navigant Research

Navigant Research, the dedicated research arm of Navigant, provides market research and benchmarking services for rapidly changing and often highly regulated industries. In the energy sector, Navigant Research focuses on in-depth analysis and reporting about global clean technology markets. The team’s research methodology combines supply-side industry analysis, end-user primary research and demand assessment, and deep examination of technology trends to provide a comprehensive view of the Smart Energy, Smart Utilities, Smart Transportation, and Smart Buildings sectors. Additional information about Navigant Research can be found at

About Navigant

Navigant is a specialized, global expert services firm dedicated to assisting clients in creating and protecting value in the face of critical business risks and opportunities. Through senior level engagement with clients, Navigant professionals combine technical expertise in Disputes and Investigations, Economics, Financial Advisory and Management Consulting, with business pragmatism in the highly regulated Construction, Energy, Financial Services and Healthcare industries to support clients in addressing their most critical business needs. More information about Navigant can be found at

* The information contained in this press release concerning the report, “48 Volt Systems for Stop-Start Vehicles and Micro Hybrids,” is a summary and reflects Navigant Research’s current expectations based on market data and trend analysis. Market predictions and expectations are inherently uncertain and actual results may differ materially from those contained in this press release or the report. Please refer to the full report for a complete understanding of the assumptions underlying the report’s conclusions and the methodologies used to create the report. Neither Navigant Research nor Navigant undertakes any obligation to update any of the information contained in this press release or the report.

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