How big is the diesel generator market | Size & Forecast 2025

Q: What is the market size of the diesel generator market in 2025 and 2031?

The diesel generator market is projected to be around USD 17.5 billion in 2025 and is expected to reach approximately USD 24.8 billion by 2031.

Q: What is the CAGR of the diesel generator market between 2025 and 2031?

The diesel generator market is anticipated to grow at a CAGR of 5.20% during the forecast period.

Q: What are the key trends in the diesel generator market?

Key trends include adoption of hybrid systems, demand for fuel-efficient generators, digital monitoring capabilities, and compliance with low-emission standards.

Q: What are the main drivers of the diesel generator market?

The diesel generator market is driven by growing infrastructure development, increasing power reliability concerns, and advancement in fuel-efficient and low-emission technolo

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Code: MTA6059

Publication Date: Jul 2025

What is the diesel generator Market Size?

According to 6Wresearch internal database and industry insights, the Global diesel generator market was valued at USD 20.4 Billion in 2024 and is expected to reach USD 32.7 Billion by 2031, growing at a compound annual growth rate of 6.80% during the forecast period (2025-2031).

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The market is witnessing consistent growth driven by increasing demand for reliable backup power systems across residential, commercial, and industrial sectors. Factors such as rising power outages, rapid urbanization, and expansion of infrastructure projects, particularly in developing countries, are fueling market growth. Additionally, technological advancements in diesel generator efficiency, fuel management systems, and compliance with emission regulations are further boosting market penetration.

Major Growth Factors of the Diesel Generator Market

Increasing demand for uninterrupted power supply
Growing industrial and infrastructure development
Frequent power outages in emerging economies
Technological advancements in generator design
Expansion of data centers and telecom towers
Rising use in commercial and residential backup power
Stringent emission norms prompting product innovation
Need for portable and efficient power solutions

Diesel Generator Market Trends

The diesel generator market is experiencing rising demand for compact and fuel-efficient units, particularly in urban and remote off-grid areas. A shift toward hybrid diesel generators integrated with renewable energy solutions is gaining traction. Furthermore, there is a growing interest in digital monitoring, remote management, and emission-reducing technologies, helping generators comply with stricter environmental regulations.

Emerging Developments in the Diesel Generator Market

The diesel generator market is experiencing rising integration of smart monitoring systems, remote diagnostics, and cleaner emission technologies in diesel generators. Manufacturers are launching hybrid and low-noise generator models targeting residential and sensitive-use applications. Strategic collaborations between OEMs and renewable energy firms are also contributing to innovative backup power systems.