Japan Diesel Generator Set Market Size and Share Analysis by Power Rating (5-75kVA, 76–375 kVA, 376–750 kVA, Above 750 kVA), Application (Commercial, Industrial, Residential) – Growth Forecast to 2030

Market Overview

The Japanese diesel generator set market size stood at $1,120 million approx. in 2021, and it will grow at a CAGR of 5.5% during 2021–2030, to reach $1,816 approx. million by 2030. The market growth is expected to be driven by the increase in urban population and the high incidence of power outages faced by a huge portion of the population of the country, due to natural calamities.

Japan is one of the most-densely urbanized countries across the globe. Among its 47 prefectures, only seven have less than 1 million population. According to the World Bank, the urban population of the country increased from 90.8% of the total in 2010 to 91.8% in 2020. Therefore, the urban areas of the country require a huge amount of electric power supply to meet the demands of the population. Thus, the need for generators is increasing in the nation to meet the backup power source.

Further, despite being one of the most developed countries in the world, Japan faces long power outages frequently. For instance, in May 2021, about 9,000 houses experienced a power outage in Japan's Ayase City, due to power distribution loss. Therefore, the high incidence of power outages is leading to the surging requirement for diesel gensets in Japan.

Sales of Above 750 kVA Generators Account for the Highest Revenue

The above 750 kVA category held the largest share in the Japanese diesel generator set market, and it is projected to grow at a significant CAGR, of 4.6%, during 2021­–2030, based on power rating. The demand for these generators primarily arises for applications in the industrial and commercial sectors, which account for a high portion of electricity demand, about 70%, in Japan.

Moreover, the manufacturing industry has led the Japanese economy and has been responsible for 90% of Japan’s exports. The sector encounters challenges such as power outages because of the geographical conditions of Japan, which lead to the increasing need for these generator sets.

Commercial Industry Accounted for Largest Market Share

In 2021, the commercial category held the largest market share, and it is predicted to grow at a CAGR of 5.7% during 2021–2030. Over the last decade, corporate organizations in Japan have been firmly focused on the future, as they set up their businesses for long-term prosperity. In comparison to 2020, both the retail and hotel sectors are expanding, due to the domestic company divestitures meant to bolster the sectors. Moreover, for the delivery of all kinds of products and services, Japan also has a highly developed infrastructure of roads, highways, trains, subways, airports, warehouses, and telecommunications. Thus, the growing commercial industry is driving the market growth.

Technological Advancements in Diesel Gensets

Major players in the Japanese diesel generator set market are focusing on innovating the mechanism and power system of diesel generators, so that they can meet the specific requirements of people living in Japan. For instance, in January 2022, Cummins Inc. launched the C550D5 (50 Hz) and C500D6 (60 Hz) series diesel generator sets for prime and standby applications, globally. This series is designed to offer a higher power density as compared to 15- and 16-liter variants with a displacement of 42 kVA per liter.

Moreover, players are partnering and collaborating with each other to innovate diesel generators, using each other’s expertise. For instance, in February 2021, Cummins Inc. signed a partnership agreement with Isuzu Motors Limited for a developed engineering collaboration to offer a mid-range diesel powertrain. This made an additional step ahead in the Isuzu Cummins Powertrain Partnership (ICPP). Through this partnership, the two organizations have been involved in evaluating and carrying out opportunities to make new diesel and alternate powertrains.

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Top Manufacturers of Diesel Generator Sets in Japan Are:

• Yanmar Holdings Co. Ltd.
• Denyo Co. Ltd.
• Atlas Copco Ltd.
• Airman Hokuetsu Industries Co. Ltd.
• Kubota Corporation
• Cummins Inc.
• Namsang Engineering Co. Ltd.
• Mitsubishi Heavy Industries Ltd.
• NIPPON SHARYO LTD.

Japan Diesel Generator Set Market Size Breakdown by Segment

The study offers a comprehensive market segmentation analysis along with market estimation for the period 2017-2030.

Based on Power Rating

• 5-75kVA
• 76–375 kVA
• 376–750 kVA
• Above 750 kVA

Based on Application

• Commercial
• Industrial
• Residential