• Expanding manufacturing sector and increasing commercial application are the major drivers for the genset market in India.
  • Commercial sector accounted for the major share of genset revenue in the year 2019-2020.
  • (5 kVA- 75 kVA) segment will remain the major contributor to Indian Diesel Generator market owing to increasing commercial and corporate building construction.
  • Gensets are used in hospitals as a backup power and with governments increasing spending on establishing new hospitals, gensets sales are expected to increase in the coming years.
  • With a high number of corporate buildings and manufacturing plants under construction, Tamilnadu is expected to witness the highest CAGR during the forecast period.
  • KOEL group announced a drop in sales of gensets by 4% in 2019-20.
  • Turnkey solutions and Powercar business in railways might bring desired profit for vendors during the forecast period.
  • New emission norms in Construction Equipment Vehicles (CEV) might slow down the growth rate in the FY 2021
  • Cummins and Kirloaskar owned KOEL are the market leaders in India with a cumulative ~60% share of the market in 2020




A diesel generator utilizes a diesel engine and electric generator to generate electrical energy. Liquid fuels or natural gas are usually used as the primary fuel of the diesel generator. Totally, a diesel generator works based on air compression and the fuel.

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Diesel Generator set is used to generate electricity for meeting the electricity requirement of small establishments such as commercial buildings, Hotels, Railway Stations, Telephone Exchange, Shops etc.


when there is a power supply failure from the State Electricity Board or other power supply undertakings. Since power failure is quite common in India, this equipment has got good demand. Diesel Generator set of 5 kVA rating is having an exceptionally good market as it suits most of the commercial establishments.



In more recent versions of the diesel engine, the pre-chamber and the combustion chamber are modified for maximum combustion and acoustical attenuation. The engine is turbocharged for maximum performance and power output.


Digital controls have replaced the traditional analogue types for more precision and controlled fuel injection rates and timings to enhance combustion and reduce exhaust gases.


The noxious nitrous oxide (NOx) fumes are subjected to emission treatments like the Exhaust Gas Recirculation (EGR) and Selective Catalytic Reduction (SCR) to minimize emissions in various ways.


The efficiency of diesel generator sets is important in aspects of long-term timeframe operations which is expressed as a combined efficiency of these two sub-components.


Typically, the combined efficiency of diesel generator sets varies between 30-55% while stand-alone efficiency of diesel engine and alternator ranges between 35-60% and 85-95% respectively.


The diesel generator has the ability to simultaneously inject both active and reactive powers.



There are different sizes of diesel generator sets ranging between 2 kVA to 7,000 kVA being used in the country; 15 kVA to 2,000 kVA being the most commonly used. Usage of diesel generator sets of up to 75 kVA is more widespread (more than 95%).


The diesel generator sets market in India has both organized (large reputed domestic brands and international brands), and unorganized (small local) manufacturers. Discussion with stakeholders suggests that 30-40% of the total market is unorganized. The presence of unorganized small-scale manufacturers is higher in case of diesel generator sets up to 25 kVA apparently due to the use of simple technology which is easier to manufacture.


As per Ministry of Petroleum and Natural Gas of India, out of the total diesel consumption, 6-8% was consumed for power generation which includes grid-connected diesel-based power plants of more than 10 MW, captive diesel-based power plants, and diesel generator sets.





The Market of Diesel Generators can be segmented into following categories for further analysis.


By Mobility Type

  • Shipboard Diesel Generators
  • Industrial Diesel Generators
  • Commercial Diesel Generators


By Operational Power Classification: (kVA – Kilovolt Amperes)

  • 5 kVA – 75 kVA
  • 76 kVA – 375 kVA
  • 376 kVA – 750 kVA
  • Greater than 750 kVA


By Type of Fixture

  • Mobile Diesel Generators
  • Fixed Diesel Generators


By Regional Classification

  • Western Region – India
  • Eastern Region – India
  • Southern Region – India
  • Northern Region – India





India diesel generator market is estimated at $XX Billion in 2020 growing at –% CAGR till 2026.


Diesel generators are widely employed in manufacturing facilities owing to uncertainty, power-intensive production lines, and the need for a reliable backup power source. Thus, growth in the manufacturing industry during the forecast period is expected to drive the demand for diesel generators in the country.


The wide range of engine efficiency is mainly attributed to design, size or capacity, mechanism for fuel control, operating speed, type of cooling mechanism, and material of construction. However, the efficiency during operation deviates from the design value because of load conditions, ambient conditions, and operation and maintenance (O&M) practices.


The efficiency patterns with respect to size of the diesel engines in the Indian and global markets are similar, i.e. efficiency increases with size.


The global average efficiency levels are comparatively better than that of Indian models, particularly for up to 300 kW (~ 375 kVA) size categories. It is observed that there is a percentage difference of about 7% to 8% in the average design efficiency for up to 300kW size categories between Indian and global diesel engines used in diesel generator sets.


Specific Fuel Consumption (SFC) expressed in litre/hour or gm/kWh is an indication of the quantity of diesel required to generate one unit of electricity. This parameter is of direct relevance to end users as it relates to the operating costs of generating electricity from diesel generator sets.





One of the leading producers of engines and power generating equipment in the world, The Cummins Group, is in negotiations to acquire a majority position in Kirloskar Oil Engines Ltd. through one of its Indian subsidiaries, according to two people with knowledge of the negotiations.


One of the group’s top companies, Kirloskar Oil Engines, is situated in Pune and produces diesel generators with power outputs ranging from 5 kVA to 3,000 kVA. One of the group’s top companies, Kirloskar Oil Engines, is situated in Pune and produces diesel generators with power outputs ranging from 5 kVA to 3,000 kVA.


Cummins India Ltd, Cummins Generator Technologies India Pvt. Ltd, Cummins Technologies India Pvt. Ltd, Fleetguard Filters Pvt. Ltd, Tata Cummins Pvt. Ltd, Valvoline Cummins Pvt. Ltd, Cummins Sales and Service Pvt. Ltd, and Cummins Research and Technology India Pvt. Ltd are the seven companies.


The Kirloskar group will sell Cummins its stake in a group firm for the second time in recent years if a deal is finalised. The Kirloskar group will sell Cummins its stake in a group firm for the second time in recent years if a deal is finalised.


The once-joint venture between Kirloskar Oil Engines and the Cummins Engine Co. Inc. that produced diesel engines, Kirloskar Cummins Ltd (KCL), was sold by Kirloskar Oil Engines.




The new Leaf DG diesel generator has been introduced by Mahindra Powerol, a company that is a part of the $16.7 billion Mahindra Group, in Mahindra-Powerol-picChennai. The generator’s unique leaf-shaped compact design departs from the conventional box design in an effort to increase consumer interest in the product.


It comes in 7.5 kVA, 10 kVA, and 15 kVA power ratings. To close the peak power gap in Tamil Nadu, the product enters the Chennai market. Generators made by Mahindra Powerol are renowned for their high quality, outstanding performance, and focus on the customer.


The new generator is in accordance with the preferences and expectations of today’s sophisticated and changing client, in addition to being simpler to operate and performing better. The brand-new compact leaf diesel generator is distinguished by features including its newly designed, patent-pending leaf-shaped enclosure, graphics that enhance aesthetics on the enclosure body, glossy finish powder coating, and leaf-shaped suction louvres.


The company thinks that its new diesel generator from Mahindra Powerol will open up new markets because it is a revolutionary design in the field of power backup. In addition to the design enhancement, it is produced with a smaller overall footprint (down to 0.4M3) and lower noise levels (down to 2.5dBA).


With the debut of the 400/500/625 kVA DG powered by Perkins® 2000 series engines, Mahindra Powerol, a business segment of the USD19 billion Mahindra Group, has expanded its higher kVA Diesel Generators (DG) line. 


This new range of Generator sets with 12.5 Litre to 18 Litre Perkins engines is the latest addition to Mahindra Powerol’s higher kVA product series, designed at its R&D base in Chennai and manufactured at its Chakan factory near Pune.


Perkins electronic engines from the 2000 Series are known for their high quality and efficiency. They are turbocharged and air-to-air charge cooled, having Euro Stage IIIA/US EPA Tier 3 certifications as well as India’s CPCB-II emissions requirements. 

The engines are built on a proven heavy-duty industrial foundation and provide outstanding performance and reliability. Customers searching for prime and standby power DG in the 400-625 kVA range will love these engines.


The new DG Sets feature Mahindra’s exclusive DiGi-SENSE technology, making them Smart DGs. Smart DG set performance can be monitored in real time from any location, resulting in increased DG set uptime.


The procurement of DG sets is mostly a service-driven sector, and it is dependent on the service network and after-sales service commitment.


 Mahindra Powerol DG sets are backed by one of the most extensive service networks in the industry, with over 200 dealers and 400 points of contact across the country.


The consolidated call centre, which is available 24 hours a day, is well-equipped to provide immediate assistance to customers. The skilled staff can assist in determining the most optimal and well-suited solution to assist the customer in the shortest period feasible.




The Indian diesel generator market is characterized by the presence of several organized and unorganized players.


The organized sector of the market is highly concentrated, with Cummins India Ltd., Kirloskar Oil Engines Limited, Mahindra Powerol Ltd., and Caterpillar Inc. operating as key players.


  • Jakson is a leading brand of Diesel Genset & Diesel Generator company in India, offering a wide product range from 7.5KVA all the way up to 3750 KVA.


  • RAPOWER is a Bangalore based company that manufactures diesel generators in India and also offers a wide spectrum of power solutions to industry. The company is an OEM for Ashok Leyland and its generators are vibration, sound, and corrosion free.


  • Supernova Engineers Ltd offers captive power solutions to all major Indian cities with high-tech high-quality Diesel Gensets.


  • Mahindra Powerol is a leading brand of diesel generator across India, Diesel & Gas Gensets by Mahindra Powerol are the most sold product in this segment.



These players have strong in-house R&D capabilities and offer differentiated portfolios of diesel generator sets.


Besides, the Indian diesel genset industry has witnessed a number of product launches in recent years.


Perkins, a subsidiary of Caterpillar, announced the launch of its six-cylinder, 23-liter 4006 electronic engine. The genset is electronically controlled, is compatible with Perkins EST diagnostic tool, and generates 750 kVA of prime power.



Sl no Topic
1 Market Segmentation
2 Scope of the report
3 Abbreviations
4 Research Methodology
5 Executive Summary
6 Introduction
7 Insights from Industry stakeholders
8 Cost breakdown of Product by sub-components and average profit margin
9 Disruptive innovation in the Industry
10 Technology trends in the Industry
11 Consumer trends in the industry
12 Recent Production Milestones
13 Component Manufacturing in US, EU and China
14 COVID-19 impact on overall market
15 COVID-19 impact on Production of components
16 COVID-19 impact on Point of sale
17 Market Segmentation, Dynamics and Forecast by Geography, 2021-2026
18 Market Segmentation, Dynamics and Forecast by Product Type, 2021-2026
19 Market Segmentation, Dynamics and Forecast by Application, 2021-2026
20 Market Segmentation, Dynamics and Forecast by End use, 2021-2026
21 Product installation rate by OEM, 2021
22 Incline/Decline in Average B-2-B selling price in past 5 years
23 Competition from substitute products
24 Gross margin and average profitability of suppliers
25 New product development in past 12 months
26 M&A in past 12 months
27 Growth strategy of leading players
28 Market share of vendors, 2021
29 Company Profiles
30 Unmet needs and opportunity for new suppliers
31 Conclusion
32 Appendix


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