Shaft Generator System Market - Global Industry Size, Share, Trends, Opportunity, and Forecast, Segmented By Type, By Application (Bulk Cargo Ship, Container Ship, Liquefied Natural Gas Ship, Others), By Region & Competition, 2020-2030F

Description

The Global Shaft Generator System Market was valued at USD 321.9 million in 2024 and is projected to reach USD 473.9 million by 2030, growing at a CAGR of 6.5% during the forecast period. Market growth is primarily driven by the maritime industry's focus on reducing emissions and enhancing fuel efficiency in response to stringent global environmental regulations. Shaft generator systems, which utilize the ship's main engine to generate electrical power, help reduce dependency on auxiliary generators, thus improving energy efficiency and cutting fuel costs. Advancements in permanent magnet technologies and variable frequency drives are further boosting system performance, reliability, and integration in hybrid propulsion setups. The retrofitting of vessels to meet regulatory compliance and achieve cost savings presents significant growth opportunities. Moreover, the Asia-Pacific region is witnessing rapid adoption, supported by robust shipbuilding industries and favorable green policy frameworks. These factors collectively underscore the growing importance of shaft generator systems in enabling cleaner and more efficient maritime operations.

Market Overview
Forecast Period	2026-2030
Market Size 2024	USD 321.9 Million
Market Size 2030	USD 473.9 Million
CAGR 2025-2030	6.5%
Fastest Growing Segment	Less than 500 V
Largest Market	North America

Key Market Drivers

Stringent Environmental Regulations and Emission Reduction Mandates Driving Demand

The growing emphasis on sustainability within the maritime sector, driven by international environmental mandates such as IMO MARPOL Annex VI, is a key driver for the global shaft generator system market. These regulations require ships to significantly reduce emissions of sulfur oxides (SOx), nitrogen oxides (NOx), and greenhouse gases, prompting the adoption of cleaner onboard power solutions. Shaft generator systems help vessels meet these requirements by converting mechanical energy from the propulsion shaft into electrical energy, thereby minimizing reliance on auxiliary generators and reducing fuel consumption. This leads to lower operational emissions, aligning with global decarbonization efforts, including the IMO's target of reducing GHG emissions by 50% by 2050 and the EU's 2030 Green Deal targets. As a result, ship operators are increasingly investing in shaft generator technologies to achieve compliance while benefiting from improved fuel economy.

Key Market Challenges

High Initial Investment and Installation Costs Hindering Market Adoption

A major challenge hindering widespread adoption of shaft generator systems is the high upfront cost associated with their purchase and installation. The technology requires precise integration with the ship's main propulsion system, which often involves custom engineering and specialized components. For both new builds and retrofits, this leads to significant capital expenditures. Installation typically demands dry-docking, specialized labor, and extended downtime, which can disrupt vessel operations and incur revenue losses. Additionally, ongoing maintenance of components such as permanent magnet generators and advanced control units requires technical expertise, which may not be readily available in all regions. These cost and logistical barriers can deter adoption, particularly among operators of older or smaller vessels.

Key Market Trends

Adoption of Permanent Magnet Shaft Generators for Enhanced Efficiency and Compact Design

A notable trend shaping the market is the rising preference for permanent magnet (PM) shaft generators. These systems leverage high-strength rare-earth magnets, resulting in more efficient and compact designs compared to traditional generators. Their lightweight and space-saving characteristics are particularly beneficial for modern vessels with limited room for auxiliary equipment. PM generators are also capable of delivering consistent power across a broader range of engine speeds, which enhances performance and fuel efficiency in variable-speed propulsion systems. This capability supports the maritime industry's transition toward hybrid and energy-optimized operations. Furthermore, the modularity and ease of integration of PM shaft generators make them increasingly attractive for both new shipbuilding projects and retrofitting initiatives aimed at improving sustainability and operational performance.

Key Market Players

ABB Ltd.
General Electric Company (GE Marine Solutions)
Siemens AG
MAN Energy Solutions SE
Wartsila Corporation
Rolls-Royce Holdings plc
Schneider Electric SE
Mitsubishi Heavy Industries Marine Machinery & Equipment Co., Ltd.

Report Scope:

In this report, the Global Shaft Generator System Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

Shaft Generator System Market, By Type:

Less than 500 V
500-1000 V
Over 1 kV

Shaft Generator System Market, By Application:

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

Shaft Generator System Market, By Region:

North America
- United States
- Canada
- Mexico
Europe
- Germany
- France
- United Kingdom
- Italy
- Spain
Asia Pacific
- China
- India
- Japan
- South Korea
- Australia
South America
- Brazil
- Colombia
- Argentina
Middle East & Africa
- Saudi Arabia
- UAE
- South Africa

Competitive Landscape

Company Profiles: Detailed analysis of the major companies present in the Global Shaft Generator System Market.

Available Customizations:

Global Shaft Generator System Market report with the given market data, TechSci Research offers customizations according to a company's specific needs. The following customization options are available for the report:

1. Product Overview

1.1. Market Definition
1.2. Scope of the Market
- 1.2.1. Markets Covered
- 1.2.2. Years Considered for Study
- 1.2.3. Key Market Segmentations

2. Research Methodology

2.1. Objective of the Study
2.2. Baseline Methodology
2.3. Key Industry Partners
2.4. Major Association and Secondary Sources
2.5. Forecasting Methodology
2.6. Data Triangulation & Validation
2.7. Assumptions and Limitations

3. Executive Summary

3.1. Overview of the Market
3.2. Overview of Key Market Segmentations
3.3. Overview of Key Market Players
3.4. Overview of Key Regions/Countries
3.5. Overview of Market Drivers, Challenges, and Trends

4. Voice of Customer

5. Global Shaft Generator System Market Outlook

5.1. Market Size & Forecast
- 5.1.1. By Value
5.2. Market Share & Forecast
- 5.2.1. By Type (Less than 500 V, 500-1000 V, Over 1 kV)
- 5.2.2. By Application (Bulk Cargo Ship, Container Ship, Liquefied Natural Gas (LNG) Ship, Others)
- 5.2.3. By Region (North America, Europe, South America, Middle East & Africa, Asia Pacific)
5.3. By Company (2024)
5.4. Market Map

6. North America Shaft Generator System Market Outlook

6.1. Market Size & Forecast
- 6.1.1. By Value
6.2. Market Share & Forecast
- 6.2.1. By Type
- 6.2.2. By Application
- 6.2.3. By Country
6.3. North America: Country Analysis
- 6.3.1. United States Shaft Generator System Market Outlook
  - 6.3.1.1. Market Size & Forecast
    - 6.3.1.1.1. By Value
  - 6.3.1.2. Market Share & Forecast
    - 6.3.1.2.1. By Type
    - 6.3.1.2.2. By Application
- 6.3.2. Canada Shaft Generator System Market Outlook
  - 6.3.2.1. Market Size & Forecast
    - 6.3.2.1.1. By Value
  - 6.3.2.2. Market Share & Forecast
    - 6.3.2.2.1. By Type
    - 6.3.2.2.2. By Application
- 6.3.3. Mexico Shaft Generator System Market Outlook
  - 6.3.3.1. Market Size & Forecast
    - 6.3.3.1.1. By Value
  - 6.3.3.2. Market Share & Forecast
    - 6.3.3.2.1. By Type
    - 6.3.3.2.2. By Application

7. Europe Shaft Generator System Market Outlook

7.1. Market Size & Forecast
- 7.1.1. By Value
7.2. Market Share & Forecast
- 7.2.1. By Type
- 7.2.2. By Application
- 7.2.3. By Country
7.3. Europe: Country Analysis
- 7.3.1. Germany Shaft Generator System Market Outlook
  - 7.3.1.1. Market Size & Forecast
    - 7.3.1.1.1. By Value
  - 7.3.1.2. Market Share & Forecast
    - 7.3.1.2.1. By Type
    - 7.3.1.2.2. By Application
- 7.3.2. France Shaft Generator System Market Outlook
  - 7.3.2.1. Market Size & Forecast
    - 7.3.2.1.1. By Value
  - 7.3.2.2. Market Share & Forecast
    - 7.3.2.2.1. By Type
    - 7.3.2.2.2. By Application
- 7.3.3. United Kingdom Shaft Generator System Market Outlook
  - 7.3.3.1. Market Size & Forecast
    - 7.3.3.1.1. By Value
  - 7.3.3.2. Market Share & Forecast
    - 7.3.3.2.1. By Type
    - 7.3.3.2.2. By Application
- 7.3.4. Italy Shaft Generator System Market Outlook
  - 7.3.4.1. Market Size & Forecast
    - 7.3.4.1.1. By Value
  - 7.3.4.2. Market Share & Forecast
    - 7.3.4.2.1. By Type
    - 7.3.4.2.2. By Application
- 7.3.5. Spain Shaft Generator System Market Outlook
  - 7.3.5.1. Market Size & Forecast
    - 7.3.5.1.1. By Value
  - 7.3.5.2. Market Share & Forecast
    - 7.3.5.2.1. By Type
    - 7.3.5.2.2. By Application

8. Asia Pacific Shaft Generator System Market Outlook

8.1. Market Size & Forecast
- 8.1.1. By Value
8.2. Market Share & Forecast
- 8.2.1. By Type
- 8.2.2. By Application
- 8.2.3. By Country
8.3. Asia Pacific: Country Analysis
- 8.3.1. China Shaft Generator System Market Outlook
  - 8.3.1.1. Market Size & Forecast
    - 8.3.1.1.1. By Value
  - 8.3.1.2. Market Share & Forecast
    - 8.3.1.2.1. By Type
    - 8.3.1.2.2. By Application
- 8.3.2. India Shaft Generator System Market Outlook
  - 8.3.2.1. Market Size & Forecast
    - 8.3.2.1.1. By Value
  - 8.3.2.2. Market Share & Forecast
    - 8.3.2.2.1. By Type
    - 8.3.2.2.2. By Application
- 8.3.3. Japan Shaft Generator System Market Outlook
  - 8.3.3.1. Market Size & Forecast
    - 8.3.3.1.1. By Value
  - 8.3.3.2. Market Share & Forecast
    - 8.3.3.2.1. By Type
    - 8.3.3.2.2. By Application
- 8.3.4. South Korea Shaft Generator System Market Outlook
  - 8.3.4.1. Market Size & Forecast
    - 8.3.4.1.1. By Value
  - 8.3.4.2. Market Share & Forecast
    - 8.3.4.2.1. By Type
    - 8.3.4.2.2. By Application
- 8.3.5. Australia Shaft Generator System Market Outlook
  - 8.3.5.1. Market Size & Forecast
    - 8.3.5.1.1. By Value
  - 8.3.5.2. Market Share & Forecast
    - 8.3.5.2.1. By Type
    - 8.3.5.2.2. By Application

9. Middle East & Africa Shaft Generator System Market Outlook

9.1. Market Size & Forecast
- 9.1.1. By Value
9.2. Market Share & Forecast
- 9.2.1. By Type
- 9.2.2. By Application
- 9.2.3. By Country
9.3. Middle East & Africa: Country Analysis
- 9.3.1. Saudi Arabia Shaft Generator System Market Outlook
  - 9.3.1.1. Market Size & Forecast
    - 9.3.1.1.1. By Value
  - 9.3.1.2. Market Share & Forecast
    - 9.3.1.2.1. By Type
    - 9.3.1.2.2. By Application
- 9.3.2. UAE Shaft Generator System Market Outlook
  - 9.3.2.1. Market Size & Forecast
    - 9.3.2.1.1. By Value
  - 9.3.2.2. Market Share & Forecast
    - 9.3.2.2.1. By Type
    - 9.3.2.2.2. By Application
- 9.3.3. South Africa Shaft Generator System Market Outlook
  - 9.3.3.1. Market Size & Forecast
    - 9.3.3.1.1. By Value
  - 9.3.3.2. Market Share & Forecast
    - 9.3.3.2.1. By Type
    - 9.3.3.2.2. By Application

10. South America Shaft Generator System Market Outlook

10.1. Market Size & Forecast
- 10.1.1. By Value
10.2. Market Share & Forecast
- 10.2.1. By Type
- 10.2.2. By Application
- 10.2.3. By Country
10.3. South America: Country Analysis
- 10.3.1. Brazil Shaft Generator System Market Outlook
  - 10.3.1.1. Market Size & Forecast
    - 10.3.1.1.1. By Value
  - 10.3.1.2. Market Share & Forecast
    - 10.3.1.2.1. By Type
    - 10.3.1.2.2. By Application
- 10.3.2. Colombia Shaft Generator System Market Outlook
  - 10.3.2.1. Market Size & Forecast
    - 10.3.2.1.1. By Value
  - 10.3.2.2. Market Share & Forecast
    - 10.3.2.2.1. By Type
    - 10.3.2.2.2. By Application
- 10.3.3. Argentina Shaft Generator System Market Outlook
  - 10.3.3.1. Market Size & Forecast
    - 10.3.3.1.1. By Value
  - 10.3.3.2. Market Share & Forecast
    - 10.3.3.2.1. By Type
    - 10.3.3.2.2. By Application

11. Market Dynamics

11.1. Drivers
11.2. Challenges

12. Market Trends and Developments

12.1. Merger & Acquisition (If Any)
12.2. Product Launches (If Any)
12.3. Recent Developments

13. Company Profiles

13.1. ABB Ltd.
- 13.1.1. Business Overview
- 13.1.2. Key Revenue and Financials
- 13.1.3. Recent Developments
- 13.1.4. Key Personnel
- 13.1.5. Key Product/Services Offered
13.2. General Electric Company (GE Marine Solutions)
13.3. Siemens AG
13.4. MAN Energy Solutions SE
13.5. Wartsila Corporation
13.6. Rolls-Royce Holdings plc
13.7. Schneider Electric SE
13.8. Mitsubishi Heavy Industries Marine Machinery & Equipment Co., Ltd.