The global automotive thermoelectric generator market size reached USD 49.7 Million in 2024. Looking forward, IMARC Group expects the market to reach USD 122.2 Million by 2033, exhibiting a growth rate (CAGR) of 9.98% during 2025-2033. The inflating need for fuel-efficient vehicles is stimulating the market.
An automotive thermoelectric generator is a device that transforms the waste heat of an internal combustion engine (ICE) into electrical energy using the Seebeck effect. It contains heat exchangers, cooling plates, compression assembly, and thermoelectric materials, such as bismuth telluride (Bi2Te3), lead telluride (PbTe), skutterudite, and magnesium silicide. An automotive thermoelectric generator is widely used to power various systems of the vehicle, such as infotainment, air conditioning, lighting, and small refrigerators. It is a relatively simple system that recycles wasted heat energy, reduces fuel consumption, minimizes operating costs, and supports vehicle electrification. An automotive thermoelectric generator is also eco-friendly and lightweight, requires low maintenance, and doesn’t generate noise or vibrations.
Automotive Thermoelectric Generator Market Trends:
The increasing demand for fuel-efficient vehicles is one of the primary factors driving the market growth. An automotive thermoelectric generator is widely used in passenger and commercial vehicles to reduce fuel consumption and improve efficiency. It also replaces the generator load, provides faster warm-up of the engine and transmission, minimizes added mass, and converts selected mechanical functions of the vehicles into electrical parts, such as coolant, oil, and trans fluid pumps. Furthermore, the extensive product utilization due to the rising environmental concerns, as they reduce carbon dioxide (CO2) emissions and minimize the use of refrigerants in cooling systems, is favoring the market growth. Apart from this, the implementation of stringent emission policies by several governments is acting as another growth-inducing factor. Additionally, the recent development of thin film thermoelectric generators for automotive applications that provide enhanced efficiency, scalability, cost-effectiveness, and reduced material wastage is positively influencing the market growth. Other factors, including increasing product adoption in hybrid and electric vehicles (H/EVs), extensive research and development (R&D) activities, rapid electrification of existing vehicles, and rising expenditure capacities of consumers, are anticipated to drive the market growth.
Key Market Segmentation:
IMARC Group provides an analysis of the key trends in each segment of the market, along with the automotive thermoelectric generator market forecasts at the global, regional, and country levels for 2025-2033. Our report has categorized the market based on component, material, vehicle type, and application.
Breakup by Component:
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