Shaft Generator System Market Size, Share, Growth, Trends and Industry Analysis, By Type (Less than 500 V, 500-1000 V, Over 1 kV), By Application (Bulk Cargo Ship, Container Ship, Liquefied Natural Gas (LNG) Ship, Others), Regional Insights and Forecast From 2025 to 2035

Last Updated: 29 September 2025
SKU ID: 22816943

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SHAFT GENERATOR SYSTEM MARKET OVERVIEW

The shaft generator system market stood at USD 0.3 billion in 2025 and is projected to expand to USD 0.33 billion in 2026, eventually reaching USD 0.58 billion by 2035, driven by a CAGR of 6.85% from 2025 to 2035.

A shaft generator is a type of electrical generator directly connected to the shaft of a rotating machine such as a steam turbine, gas turbine, or diesel engine, and the rotation of the machine's shaft drives the generator, which then converts the mechanical energy into electrical energy. The advantage of a shaft generator is that it eliminates the need for a separate engine-driven generator, reduces the weight and space requirements of the system, and is more efficient. Shaft generator is commonly used in the marine industry, power generation systems, and industrial applications. The use of shaft generators in new ships and retrofitting of existing ships is projected to increase enhancing the shaft generator market growth. It qualifies ship operators to profit from the efficiency, performance and reliability advantages of permanent magnet technology. The new generator brings flexibility and comfort of installation to a wide range of vessels including bulk carriers, container carriers, liquid natural gas tankers and ferries transporting passengers and cars.

Growth in the shipping industry brings growth potential for shaft power generation systems. Use of shaft generators can decrease the maintenance costs and lubrication costs for the auxiliary engines. With rising global seaborne trade, the reliance on sustainable technologies like shaft generators is only set to increase, reinforcing an upward trend in market growth. Participating are fixing their efforts on encouraging R&D. Manufacturers need to stay updated with changing market trends and develop products that meet growing consumer needs. Technological development are supporting the regional market growth. Companies coming up with progressive technological solutions for firming their positions.

KEY FINDINGS

  • Market Size and Growth: Valued at USD 0.3 billion in 2025, projected to touch USD 0.58 billion by 2035 at a CAGR of 6.85%.
  • Key Market Driver: Rising fuel efficiency requirements contributed to nearly 40% of shipowners adopting shaft generator systems in new builds.
  • Major Market Restraint: High upfront installation cost increases total vessel expenditure by around 15%, limiting adoption for smaller fleet operators.
  • Emerging Trends: Hybrid shaft generator systems accounted for 28% of new installations in 2023, supporting green shipping and emission control targets.
  • Regional Leadership: Europe led with 38% market share in 2023, driven by stringent emission standards and adoption in cargo vessels.
  • Competitive Landscape: The top five manufacturers collectively captured 52% of the global shaft generator system market share in 2023.
  • Market Segmentation (Less than 500 V): Less than 500 V shaft generators held 46% share in 2023, while above 500 V units represented around 54%.
  • Recent Development: In 2023, variable frequency shaft generators grew by 22% adoption, improving operational flexibility across multiple vessel types.

COVID-19 IMPACT

 Pandemic hampered the market due to unexpected disruption in the sector

The global COVID-19 pandemic has been unprecedented and staggering, with shaft generator system market experiencing lower-than-anticipated demand across all regions compared to pre-pandemic levels. The sudden rise in CAGR is attributable to the market growth and demand returning to pre-pandemic levels once the pandemic is over. 

COVID- 19 pandemic has extremely affected the whole world. It caused many unexpected disruption and affected the industry. COVID- 19 had negative impact on the market due to economic slowdown, unpredictability in financial sector and high unstable market. The pandemic resulted in decreased demand due to a disrupted supply chain, drop in sales of products, delivery schedules. Travel bans imposed affected business collaboration and partnership. Demand had recently reduced due to travel bans and lockdown during the COVID-19 pandemic. The continuous loss in the business due to the lockdown measures is projected to directly influence the growth of the investments in the market.

LATEST TRENDS

Use of innovative products to boost the market growth

Technological improvement and development will further enhance the presentation of the product, allowing it to obtain a varied range of requests in the market. Technological advancement will improve performance and propel the market growth. Technological advancement with high demand are increasingly setting a force to increase the productivity. Some players focus on product improvement to meet consumer requirements and likings. Constant innovation in manufacturing of products is anticipated to stimulate product demand.

  • According to the International Maritime Organization (IMO, 2023), over 30% of new vessels built globally in 2022 were equipped with energy-efficient technologies such as shaft generator systems, driven by stricter carbon intensity regulations.
  • The European Maritime Safety Agency (EMSA, 2022) reported that adopting shaft generator systems can reduce fuel consumption by up to 10% per voyage, aligning with the EU target of reducing maritime greenhouse gas emissions by 55% by 2030.
Global-Shaft-Generator-System-Market-Share-By-Type,-2035

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SHAFT GENERATOR SYSTEM MARKET SEGMENTATION

By Type

According to type, the market can be segmented into Less than 500 V, 500-1000 V, Over 1 kV.

Less than 500 V will capture the maximum market share through forecast period.

By Application

According to application, the market can be segmented into bulk cargo ship, container ship, liquefied natural gas (LNG) ship, others.

Shaft generator system market players cover segment as bulk cargo ship will dominate the market share during forecast period.

DRIVING FACTORS

Increase in demand for electricity in marine sector to boost the market growth

The marine industry depend on heavily on electrical power for various operations, such as navigation, communication, and cargo handling. Using traditional engine-driven generators for power generation results in high fuel consumption and emissions. Shaft generators are considered a more efficient alternative to conventional generator systems as they can utilize the existing rotating machinery, reducing fuel consumption and emissions. Cargo vessels, container ships, and bulk carriers are used in marine transportation to transport large quantities of goods from one place to another. The demand is motivated by the growth of these industry which is anticipated to enhance market growth.

Technological advancement and development to upsurge the market.

Technological advancements and innovation activate unique revenue augmenting opportunity which will upsurge the shaft generator system market growth. Growing investment in research and development activities and growing awareness about benefits of shaft generator are expected to deliver profitable opportunities for the market. Constant development are one of the trends in the market in variety of practices.

  • As per the U.S. Energy Information Administration (EIA, 2022), global marine fuel consumption surpassed 300 million metric tons annually, creating demand for shaft generator systems that lower fuel dependency and emissions.
  • The Asian Shipowners’ Association (ASA, 2023) highlighted that over 50% of new container ships in Asia are now being designed with shaft generators to meet rising efficiency and compliance requirements.

RESTRAINING FACTORS

Raw material prices instability to hamper the market growth

Raw material prices fluctuation is hampering development of shaft generator system market. Prices of these raw materials can be issue to instability due to factors such as supply-demand discrepancies, fluctuations in costs, and geopolitical factors. Sudden price increases or supply disruptions can affect the profitability of market players. Technical difficulties will reduce the industry revenue.

  • According to the OECD (2023), the average installation cost of shaft generator systems can exceed USD 1.2 million per vessel, which restricts adoption among small and mid-sized shipping operators.
  • The Japan Shipowners’ Association (2022) reported that 42% of ship operators identified technical integration challenges between shaft generators and existing propulsion systems as a barrier to widespread use.

SHAFT GENERATOR SYSTEM MARKET REGIONAL INSIGHTS

Asia Pacific to dominate the region due to sustainable and cost-effective technology

Asia Pacific is further expected to witness growth in the shaft generator system market share. The region is dominating the market due to more supportable and profitable technologies. The rising inhabitants and increasing income levels are also contributing to the development of the market. Upsurge in investments by key market players for the R&D undertakings and enlargement of their production abilities and product portfolios are projected to upsurge the growth. The expansion of regional market is being aided by technological developments.

KEY INDUSTRY PLAYERS

Key players focus on partnerships to gain competitive advantage.

The key players are dynamically contributing in strategic events that are aimed at maintaining strong market position and increasing market share by merger, partnerships and others. Key players are motivated to introduce new innovative products. They are spending severely on research and development in order to arise with more new technology so that they can maintain and improve their existing market. The market changes are dynamic such as market expansion, partnership and merger.

  • Wärtsilä: According to the Finnish Marine Industries Federation (2022), Wärtsilä has delivered over 1,000 shaft generator units globally, significantly strengthening its leadership in sustainable marine propulsion systems.
  • Taiyo Electric Co.: As per the Japan External Trade Organization (JETRO, 2023), Taiyo Electric exports marine electrical equipment, including shaft generators, to more than 25 countries, supporting the modernization of fleets in Asia and Europe.

List of Top Shaft Generator System Companies

  • Wärtsilä (Finland)
  • Taiyo Electric Co., Ltd (Japan)
  • NISHISHIBA ELECTRIC CO., LTD. (Japan)
  • Ingeteam (Spain)
  • C&A Electric (South Korea)

REPORT COVERAGE

The report provides scrutiny and information according to market sectors. Business overview, financial overview, product portfolio, new project launch, recent development enquiry are the factors included in the profile. The report incorporates completely examined and appraised evidence of the noticeable players and their position in the market by methods for various descriptive tools. The report covers national and regional level market size and forecast. The report gives businesses the facility to research new prospect in many areas. The report shows to be an operational tool that players can use to gain a competitive superiority over their opponents and ensure lasting achievement in the market.

Shaft Generator System Market Report Scope & Segmentation

Attributes Details

Market Size Value In

US$ 0.3 Billion in 2025

Market Size Value By

US$ 0.58 Billion by 2035

Growth Rate

CAGR of 6.85% from 2025 to 2035

Forecast Period

2025-2035

Base Year

2024

Historical Data Available

Yes

Regional Scope

Global

Segments Covered

By Type

  • Less than 500 V
  • 500-1000 V
  • Over 1 kV

By Application

  • Bulk Cargo Ship
  • Container Ship
  • Liquefied Natural Gas (LNG) Ship
  • Others

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