Allied Market Research


Variable Speed Generator Market

Variable Speed Generator Market Size, Share, Competitive Landscape and Trend Analysis Report by Generator Type, by Technology, by Prime Mover Type and by End User : Global Opportunity Analysis and Industry Forecast, 2023-2032

EP : Equipment and Devices

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Author's: | Eswara Prasad
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Variable speed generator produces exactly 230VAC electrical voltage directly from a boat or vehicle engine, independent of engine speed. The power output depends upon the speed of the engine. It ensures a constant power output even with reduced engine speed. These generator systems include a permanent magnet generator combined with an electronic inverter, making them compact and efficient than wound-rotor or induction generators. There is no exciter, which saves space and power. The high-frequency design permits short-end windings on the stator for reduced winding losses and space, which reduces requirements for output power filters. Due to the modest losses, cooling requirements can be reduced for greater power and packaging savings. It ensures consistent power output with reduced engine speed and also optimizes the turbine design. The surge in need for renewable energy sources and increase in the demand for energy generates the demand for variable speed generators. The government initiatives to support the renewable energy sources are expected to boost the growth of the variable speed generator market. .

Market Scope and Structure Analysis

Report Metric


Market Size Available for Years


 Base Year Considered


 Forecast Period


 Forecast Unit

 Value (USD)

 Segments Covered

Generator Type, Technology, Primer Mover Type, End User, and Region

 Regions Covered

 North America




 Companies Covered

ABB Group, Siemens AG, Yanmar Co., Ltd., General Electric Company, Wartsila, Cummins, Atlas Copco UK Holdings Ltd., Innovus Power, Inc., WhisperPower B.V, Fischer Panda GmbH.


Covid-19 Impact Analysis

  • The  COVID-19 pandemic affected the variable speed generator market due to lockdown in different countries, which has disturbed the supply chain.
  • The market of variable speed generator is now experiencing growth and is expected to grow, when the restrictions are uplifted by the government .
  • The reason for the growth of the market post pandemic is the endorsement of the renewable source of energy for power generation and the rise in industrialization.

Top Impacting Factor

The growth in the market for variable speed generators is primarily due to the increase in emphasis on alternative energy production, increase in government mandates over energy efficiency, and developments in industrialization & urbanization. The use of variable speed generator in the internal combustion engine reduces the operation and maintenance cost. Fuel consumption decreases with the increase in the engine efficiency. However, the high-cost investment and limited re-investment on the variable speed generator has been a major constraint for market. The decrease in greenfield investment has been a challenge for the variable speed generators. The internal combustion engine driven variable speed generators are anticipated to experience an increase in demand  owing to rise in growth rate of internal combustion engine. There is an increase in the demand for high power attributed to urbanization and industrialization, which will result in the increase in the usage of energy efficient variable generator. The demand is expected to increase in the near future. The growth in the renewable energy demand is anticipated to boost the market growth.

Market Trend

  • Atlas Copco’s proprietary Variable Speed Generator (VSG) technology embodied in the QAS 60/35 completely eliminates the inherent risks associated with low-load generator operation such as cylinder glazing, bore polishing, heavy carbon build-up, high oil consumption, low combustion temperatures, and fuel waste. Atlas Copco’s latest addition to its QAS mobile generator range - the QAS 60/35 VSG Variable Speed Generator that is high performing, and efficient.
  • Due to the increase in demand from the OEMs and commercial operator for more efficient and smarter hybrid systems for retro-fitting or newly-built vessels to support the move to electric power, the new variable speed units reduce the noise and fuel consumption by regulating the generator speed in accordance with the required power.
  • Fischer Panda UK’s variable speed generators are available with an output power from 20kW up to 100kW and it can be used for silent electric propulsion powered from the battery bank alone or hybrid propulsion using the batteries and the variable speed DC generator as a range extender. In emergency mode, the variable speed hybrid DC generator can generate the drive system directly. Silent on-board power with battery only can be supplied indirectly using an inverter, or operators can opt for hybrid on-board power using the battery and generator during periods of high-power demand.

Key Segments Covered

Generator Type

  • Variable Speed Self-Excited Induction Generator
  • Doubly Fed Induction Generator
  • Wound Rotor Induction Generator
  • Permanent Magnet Synchronous Generator


  • Power Electronics-Based Variable Speed Generators
  • Mechanical Variable Speed Generators

Prime Mover Type

  • Hydro Turbines
  • Wind Turbines
  • Steam and Gas Turbine
  • Internal Combustion Engine

End User

  • Renewable Power Generation
  • Hydroelectric Power Generation
  • Marine & Shipbuilding
  • Oil, Gas, & Mining
  • Commercial & Residential
  • Others


  • North America
    • U.S.
    • Canada
    • Mexico
  • Europe
    • UK
    • Germany
    • France
    • Italy
    • Spain
    • Rest of Europe
  • Asia-Pacific
    • China
    • Japan
    • India
    • South Korea
    • Australia
    • Rest of Asia-Pacific
    • Brazil
    • Saudi Arabia
    • South Africa
    • Rest of LAMEA

Key Benefits of the Report

  • This study presents the analytical depiction of the variable speed generator market along with the current trends and future estimations to determine the imminent investment pockets.
  • The report presents information related to key drivers, restraints, and opportunities along with detailed analysis of the variable speed generator market share.
  • The current market is quantitatively analysed from 2020 to 2028 to highlight the scenario of Variable Speed Generator market growth.
  • Porter’s five forces analysis illustrates the potency of buyers & suppliers in the market.
  • The report provides a detailed variable speed generator market analysis based on competitive intensity and the competition that will take shape in upcoming years

Variable Speed Generator Market Report Highlights

Aspects Details
By Generator Type
  • Variable Speed Self Excited Induction Generator
  • Doubly Fed Induction Generator
  • Wound Rotor Induction Generator
  • Permanent Magnet Synchronous Generator
By Technology
  • Power Electronics Based Variable Speed Generator
  • Mechanical Variable Speed Generators
By Prime Mover Type
  • Hydro Turbines
  • Wind Turbines
  • Steam and Gas Turbine
  • Internal Combustion Engine
By End User
  • Renewable Power Generation
  • Hydroelectric Power Generation
  • Marine and Shipbuilding
  • Oil and Gas
  • Mining
  • Others
By Region
  • North America  (U.S., Canada, Mexico)
  • Europe  (France, Germany, Italy, Spain, UK, Rest of Europe)
  • Asia-Pacific  (China, Japan, India, South Korea, Australia, Rest of Asia-Pacific)
  • LAMEA  (Brazil, South Africa, Saudi Arabia, UAE, Rest of LAMEA)
Key Market Players

Fuji Electric, GEC Alsthom, Toshiba, Mitsubishi Electric, Honeywell, Alstom, General Electric, Kohler Co., ABB, Siemens

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Variable Speed Generator Market

Global Opportunity Analysis and Industry Forecast, 2023-2032