Diesel Genset Market Analysis

  • Report ID: 3539
  • Published Date: Dec 24, 2025
  • Report Format: PDF, PPT

Diesel Genset Market Segmentation:

Start System Segment Analysis

The electric start segment, which is part of the start system, is anticipated to garner the largest share of 76.8% in the diesel genset market by the end of 2035. The segment’s upliftment is highly attributed to its provision of safety, reliability, and convenience, which has enabled automatic startup during outages, diminishing physical strain, and effectively integrating with control panels for seamless backup power. According to an article published by the Ministry of Power in June 2023, the installed generation capacity within India’s central sector accounts for 1,00,055 MW, which is 24%. This is followed by 1,05,726 MW and 25.3% in the state sector, and 2,11,887 and 50.7% in the private sector. Besides, the overall fossil fuel generation capacity constitutes 589 MW and 0.1% of diesel, thereby creating an optimistic outlook for the segment’s development in the diesel genset market.

Product Type Segment Analysis

Based on the product type, the stationary segment in the diesel genset market is expected to garner the second-largest share during the forecast period. The segment’s growth is readily driven by its widespread utilization in industrial, commercial, and utility-scale applications. Unlike portable gensets, stationary units are permanently installed and designed to provide high-capacity, reliable backup or continuous power. They are critical in facilities such as data centers, hospitals, manufacturing plants, and chemical complexes, where uninterrupted electricity is essential for safety and productivity. The stationary segment benefits from increasing investments in infrastructure and industrial expansion, particularly in Asia-Pacific and the Middle East, where grid reliability remains inconsistent, thereby making it suitable for bolstering the segment’s growth and expansion.

Cooling System Segment Analysis

By the end of the stipulated timeline, the liquid-cooled sub-segment, part of the cooling system segment, is predicted to hold the third-largest share in the diesel genset market. The sub-segment’s development is highly fueled by its preference in medium-to-large capacity applications due to its superior thermal management and operational efficiency. Unlike air-cooled systems, liquid cooling allows gensets to sustain higher power outputs for extended durations, making them ideal for industrial plants, mining operations, and large commercial complexes. Its ability to maintain stable operating temperatures reduces wear and tear, enhances engine longevity, and ensures compliance with stringent emission and noise regulations. This sub-segment is particularly important in urban and industrial environments where performance reliability and environmental standards are critical.

Our in-depth analysis of the diesel genset market includes the following segments:

Segment

Subsegments

Start System

  • Electric start
    • Liquid-cooled
    • Air-cooled
  • Manual start

Product Type

  • Stationary
  • Portable

Cooling System

  • Liquid-cooled
  • Air-cooled

End use

  • Industrial
  • Residential
  • Commercial

Standby

  • Standby/backup power
    • 75 to 350 kVA
    • Below 75 kVA
  • Prime/continuous power
  • Peak shaving/load management

Power Rating

  • 75 to 350 kVA
  • Below 75 kVA

Browse key industry insights with market data tables & charts from the report:

Frequently Asked Questions (FAQ)

In the year 2025, the industry size of the diesel genset market was over USD 20.6 billion.

The market size for the diesel genset market is projected to reach USD 37.5 billion by the end of 2035 expanding at a CAGR of 6.9% during the forecast period i.e., between 2026-2035.

The major players in the market are HIMOINSA S.L., SDMO Industries, Doosan Portable Power, Kirloskar Oil Engines Limited, Mahindra Powerol, and others.

In terms of the start system segment, the electric start is anticipated to garner the largest market share of 76.8% by 2035 and display lucrative growth opportunities during 2026-2035.

The market in the Asia Pacific is projected to hold the largest market share of 38.7% by the end of 2035 and provide more business opportunities in the future.
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