Global Top 10 Steam Turbine Manufacturers [2023]

Published on 28th April 2023

A steam turbine is a rotary heat engine that requires a thermal energy source, such as coal or natural gas, to convert thermal energy contained in steam into electrical energy or mechanical energy.


Steam turbine manufacturers deploy stringent design and manufacturing processes to make a wide range of steam turbines complying with international quality and safety standards.


Apart from the standard steam turbine product line-up, custom-engineered steam turbines are available for diverse applications—from cogeneration and power generation to pressure-difference utilization and waste-heat utilization.


Continue reading to learn more about the major players in the steam turbine manufacturing market.


Table of Contents

Global Top 10 Steam Turbine Manufacturers [2023]

Dongfang Electric Corporation

Harbin Electric Co., Ltd.

GE Power (GE Vernova)

Toshiba Energy Systems & Solutions Corporation

Shanghai Electric Group Co., Ltd.

Doosan Enerbility Co., Ltd.

Siemens Energy AG

Mitsubishi Power (Mitsubishi Hitachi Power Systems, Ltd.)

Bharat Heavy Electricals Limited

Fuji Electric Co., Ltd.

Blackridge Research & Consulting – Global Gas and Steam Turbines Market Report

Wrapping Up


Global Top 10 Steam Turbine Manufacturers [2023]

Here are the world’s leading steam turbine manufacturers (listed by revenue):


Dongfang Electric Corporation Limited

Founded: 1958

Location: Chengdu, China


With 60+ years of experience in the electric power industry, Dongfang Electric Corporation (DEC) has grown into one of the world’s largest energy equipment manufacturing enterprise groups.


DEC is active in six major industrial sectors, with a global footprint across 80 countries.


DEC specializes in high-efficiency and clean thermal power technology and is capable of batch production of 50 MW–1350 MW coal-fired and oil-fired units.


Since 2004, DEC’s first 1000 MW ultra-supercritical unit had been in commercial operation in China’s Huadian Zouxian power plant Phase IV Project, with the unit winning many national awards for outstanding operation and energy-saving and environment-friendly performance.


DEC’s steam turbine products are based on cutting-edge technology and known for increasing the availability, efficiency, and reliability of the power plant.


DEC offers the following steam turbines:


Twice Reheat Ultra-supercritical steam turbine (Ultra-supercritical)


With an output range of 660 MW up to 1000 MW, the steam turbine represents ultimate efficiency and plays a major role in energy conservation and emission reduction, especially in coal-fired power plants.


1000 MW and above class steam turbine (Ultra-supercritical)


With an output range of 1000 MW up to 1100 MW, the steam turbine is the power grid’s main steam turbine with high stability and high-economic operation.


350 MW–660 MW class steam turbine (Ultra-supercritical/Supercritical/Sub-critical)


With an output range of 350 MW up to 660 MW, the steam turbine can be customized to meet diverse energy needs of customers.


150 MW class steam turbine (Sub-critical/Sub-high pressure)


With a compact structure and strong flexibility, this steam turbine is suitable for isolated power grids or small power grids.


DEC’s technical know-how helps integrate turbines seamlessly with different types of power plants to ensure operational satisfaction, success, and profitability for customers.


Harbin Electric Co., Ltd.

Founded: 1994

Location: Harbin, China


Harbin Electric Co., Ltd. (also known as “Harbin Electric” and “HE”) was formerly known as Harbin Power Equipment Company Limited. Harbin Electric is one of the largest power generation equipment manufacturers and also a major exporter of power station equipment in China.


Harbin Electric’s business scope includes, but not limited to the following:


  • AC Motors
  • DC Motors
  • Desulfurization and denitrification equipment
  • Gas turbine units
  • Hydropower
  • Industrial steam turbines
  • Nuclear power
  • Power plant auxiliary equipment
  • Power plant valves
  • Thermal power


According to Harbin Electric, its thermal power annual production capacity (exceeds 30,000 MW) accounts for “one-third of China’s domestically made installed capacity.”


Harbin Electric’s main thermal power products include boilers, steam turbines, and steam turbine generators with the following capacity range:


  • 50 MW
  • 100-150 MW
  • 200 MW
  • 300 MW
  • 600 MW
  • 1000 MW


The company is credited with various “firsts” in China’s production innovation history, such as:


  • The first A 600 MW supercritical steam turbine (2003)
  • The first 9FA gas-steam combined cycle unit (2005)
  • The first stator-integrated, water-hydrogen-cooled 1000 MW steam turbine generator (2010)


GE Power (GE Vernova)

Founded: 2008

Location: Schenectady, New York, United States


Formerly known as “GE Energy,” GE Power is an energy technology company owned by General Electric (GE)—a 130-year-old energy pioneer and a muti-billion-dollar global brand. In 2008, GE Energy was formed as a result of a company-wide reorganization—from companies within the GE Infrastructure division.


According to a press release in 2022, GE announced that its portfolio of energy businesses, including GE Renewable Energy, GE Power, GE Digital, and GE Energy Financial Services, would come together under the brand name “GE Vernova.”


Furthermore, GE provides a comprehensive range of steam turbines under “GE Steam Power (part of its energy business portfolio) for fossil, nuclear, and renewable applications.


GE also offers a full range of steam turbine services (including steam turbine spare parts packages) to enhance the lifetime and performance of steam turbine assets.


GE states that it has supplied “more than 30% of the world’s installed steam turbine capacity and 50% of the nuclear steam turbines—collectively generating more than 1,200 GW of power.”


GE’s Steam Turbine Portfolio


Power Type


Nuclear Steam



Nuclear reheat


Nuclear reheat


Nuclear reheat

Renewable Steam




STF-A650 (MT)




STF-A200 (MT)


STF-A100 (GRT)


STF-G220 (GST)


Fossil Steam



Double reheat, adv. USC (Ultra-supercritical)


Reheat, adv. USC


Reheat, USC


Reheat, USC


Reheat, supercritical


Reheat, supercritical



STF-A650 (MT)




STF-A200 (MT)


STF-A100 (GRT)



Toshiba Energy Systems & Solutions Corporation

Founded: 2017

Location: Kanagawa, Japan


Toshiba Energy Systems & Solutions Corporation (also known as “Toshiba ESS”) was spun off from Toshiba Corporation (Toshiba). Toshiba ESS is a globally recognized supplier of integrated energy solutions with various business domains, including “Thermal Power” and “Hydrogen Energy.”


Toshiba ESS specializes in reliable and economical thermal power generation technologies. For example, Toshiba ESS is promoting the development of larger-capacity power generation systems using the advanced last-stage long blade for greater reliability.


In addition, the company’s combined-cycle power plant systems are reported to have achieved the “world’s highest level of thermal efficiency” by combining 1,600°C-class high-efficiency gas turbines with high-efficiency steam generators and turbines and BOP (balance of plant) equipment.


Furthermore, Toshiba ESS aims to achieve early commercialization of the 700°C-class (higher efficiency) ultra-supercritical pressure power generation system.  


Shanghai Electric Group Co., Ltd.

Founded: 2004

Location: Shanghai, China


Officially known as “Shanghai Electric Group Company Limited,” Shanghai Electric is an electrical equipment manufacturing and power generation company.


Shanghai Electric’s energy equipment includes coal-fired power generation range, comprising the following:


  • Boiler island auxiliary equipment
  • Boilers
  • Steam turbines
  • Turbine generators
  • Turbine island auxiliary equipment


Shanghai Electric provides the following steam turbines:


Supercritical 350 MW Steam Turbine


The award-winning supercritical 350 MW steam turbine is available in 11 types, including two-cylinder, two-exhaust steam turbines and three-cylinder, two-exhaust steam turbines adaptable to air or water cooling.


Besides delivering efficient performance, the steam turbines are easy to maintain and highly reliable, with key features like built-in thermal stress control and an integrated HIP (High-Intermediate Pressure) inner casing.


Typical projects: ChinaPower Shangqiu, Indonesian Qingshan, Shaoguan Yuehua, and SIGC Linbei.


Supercritical 600 MW Steam Turbine


The supercritical 600 MW steam turbine is available in four types, including:


  • Three-cylinder, four-exhaust with a combined HIP module
  • Two-cylinder, two-exhaust with a combined HIP module
  • Three-cylinder, two-exhaust with a split HP&IP (High Pressure and Intermediate Pressure) module
  • Four-cylinder, four-exhaust with a split HP&IP module


The steam turbine can adapt to air or water cooling and provide required heating/industrial extraction.


Typical projects: Huaneng Weijiamao project and Pakistan Sahiwal coal power project.


Subcritical 300 MW Steam Turbine


The subcritical 300 MW steam turbine is available in 15+ models, primarily the two-cylinder, two-exhaust steam turbines with a combined HIP module and also a small number of three-cylinder, two-exhaust steam turbines.


The steam turbine can adapt to air or water cooling and provide required heating/industrial extraction.


Typical projects: Malaysian Balingian Coal-Fired Power Plant project, Iraq Wassit project, Baolihua Phase III project, etc.


Doosan Enerbility Co., Ltd.

Founded: 1962

Location: Changwon, South Korea


Formerly known as “Doosan Heavy Industries,” Doosan Enerbility Co., Ltd. (Doosan) is a world-renowned heavy industrial company producing core equipment, such as boilers, generators, and turbines, for power plants.


In 1978, Doosan started making steam turbines for the Seocheon power plant (200 MW). Currently, the company designs and manufactures steam turbines to meet the needs of various power plants (cogeneration, combined cycle, thermal, and nuclear).  


Doosan also designs and produces state-of-the-art heat exchangers and condensers for all types of steam turbines.


Doosan is a sought-after supplier of steam turbines (10 MW–1,500 MW) for customers and plants worldwide. The global leader in the power plant market also upgrades its own turbines and non-OEM turbines (utilizing Doosan components) as well.


Furthermore, Doosan Škoda Power (a subsidiary of Doosan Enerbility Co., Ltd.) is a top-tier turbine maker that provides fully tested and operationally proven steam turbines suitable for a complete range of customer requirements.


While Doosan’s advanced aero blade design delivers high efficiency, its advanced sealing technology minimizes operational clearances and reduces leakage losses. Moreover, Doosan optimizes steam turbine designs to meet individual customer requirements.


Industrial steam turbines


Doosan industrial steam turbines are designed to meet even the most complex process requirements in a range of industries—from chemical and metallurgy to cogeneration units and sugar mills.


The single-casing, high-speed turbines are constructed in a compact configuration.


Doosan’s industrial steam turbine models include:


  • DST-V
  • DST-G10
  • DST-G20
  • DST-S10

*DST-G – Industrial Steam Turbines Connected Via Gearbox

*DST-S – Power Generation Synchronous Steam Turbines

*DST-V – Variable Speed Drive Steam Turbines


Turbines for medium and large power output


Doosan medium and large output steam turbines are designed mainly for heating facilities and utilities and meet the following requirements:


  • One, two, and multiple-core units (with or without steam reheating)
  • Speeds of 3,000 rpm or 3,600 rpm
  • Various set-ups, such as back-pressure, back-pressure-extraction, condensing-extraction, and pure condensing
  • Axial, lateral, or radial outlet into the condenser


Doosan offers the following medium and large output turbine types:


  • DST-S10 (Single Casing and Double Casing)
  • DST-S20 (HIP Combined+LP)
  • DST-S30 (HP+IP+LP)
  • DST-N (Nuclear Steam Turbines)

*DST-N – Steam Turbines for Nuclear Power Plants

*DST-S – Power Generation Synchronous Steam Turbines


Siemens Energy AG

Founded: 2020

Location: Munich, Germany


Founded by Werner von Siemens and Johann Georg Halske, Siemens AG (parent company of Siemens Energy) is one of the world’s largest industrial manufacturing companies with operations spanning automation, digitalization, and electrification fields.


Siemens Energy AG (Siemens Energy) is a leading energy technology company specializing in the production and distribution of electricity and gas, while also offering maintenance services and technical consulting for electrical installations.


Globally, Siemens Energy has delivered 120,000 steam turbines whose modular design concept ensures high availability and flexibility, and a reduction of time-to-market.


Siemens Energy’s steam turbines include:


Utility steam turbines (90–1,900 MW)


Utility steam turbines are used in steam power plants apart from nuclear and combined cycle power plants. Available in different packages (SST-3000, SST-4000, SST-5000, SST-6000, and SST-9000), these turbines are flexible for both single-shaft and multi-shaft combined cycle configurations.


Industrial steam turbines (2–250 MW)


Siemens Energy offers the following reliable and versatile steam turbines designed for fast start-up and economical operation:


  • SST-800 (steam turbine with center steam admission)
  • SST-700/900 (dual-casing reheat steam turbine)
  • SST-600 (flexible back-pressure or condensing steam turbine)
  • SST-500 (a single-casing, double exhaust flow steam turbine)
  • SST-400 and SST-300 (industrial steam turbines)
  • SST-200 (steam turbine for economical heat and power production)


Dresser-Rand steam turbines (<10 kW–25 MW)


Siemens Energy’s offers the following Dresser-Rand steam turbines tailored to customers’ needs:


Standard single-stage steam turbines

  • D-R SST 350/500/700
  • D-R RLA
  • D-R RLVA
  • D-R RLH


Single-stage steam turbines

  • D-R 2TA
  • D-R C


Standard multi-stage steam turbines

  • D-R GAF
  • D-R U
  • D-R R/RS
  • D-R K
  • D-R B


The company’s steam turbines are applied as generator drives or mechanical drives for compressors or pumps and used in a variety of applications, including:


  • Biomass power generation
  • District heating
  • Power generation plants
  • Seawater desalination
  • Solar heat
  • Waste-to-energy (WtE) generation


Furthermore, Siemens Energy introduced a combined high- and intermediate-pressure turbine to provide a cost-effective solution for super critical steam conditions.   


Mitsubishi Power (Mitsubishi Hitachi Power Systems, Ltd.)

Founded: 2014

Location: Yokohama, Japan


In 2014, Mitsubishi Hitachi Power Systems, Ltd. (MHPS) was established as a thermal power generation systems company by Mitsubishi Heavy Industries, Ltd. and Hitachi, Ltd. In 2020, Mitsubishi Hitachi Power Systems, Ltd. was rebranded as “Mitsubishi Power”—a major subsidiary of the Mitsubishi Heavy Industries (MHI) Group.


Mitsubishi Power provides the following steam turbines:


Steam Turbines for Thermal Power Plants (up to 250 MW and 1,200 MW)


These steam turbines are designed for various plant requirements, including daily start and stop (DSS) operations in GTCC (Gas Turbine Combined Cycle) power plants, extraction steam for district heating, and process steam extraction.


Steam Turbines for Industrial Plants


Steam turbines in this category comprise the following:


  • Small/mid-sized condensing turbines (for steady and continuous power generation)
  • Extraction-condensing turbines (for steady power generation and steam extraction at a fixed pressure)
  • Extraction back-pressure turbines (for two or more types of process steam at contrasting pressures)
  • Mixed-pressure turbines (suitable for recovering waste heat for power generation)
  • Geared turbines (for small-scale power plants of up to 40 MW (approx.)


Steam Turbines for Nuclear Power Plants


These steam turbines consist of an extremely long last stage blade (LSB), with the HP (high pressure) turbine, LP (low pressure) turbine, and generator arranged on a single rotor. The turbines can generate up to 1,800 MW and are highly efficient, safe, and reliable.


Steam Turbines for Geothermal Power Plants


Mitsubishi Power has supplied over 100 units (>3,000 MW) of steam turbines for geothermal power plants (small to large output units) with various operational requirements. For example, steam turbine line-ups for single flash, double flash, and triple flash cycles are available for different geothermal steam conditions.


Bharat Heavy Electricals Limited

Founded: 1964

Location: New Delhi, India


Bharat Heavy Electricals Limited (BHEL) is an Indian public sector undertaking and one of India’s largest engineering and manufacturing companies.


BHEL uses the building block concept to ensure high availability, flexibility, and reliability. BHEL’s steam turbines meet diverse requirements of a wide range of industries—from cogeneration and power (captive power & utility) to combined cycle power plants and solar applications.


BHEL’s steam turbine product range includes:


  • Double Extraction Back Pressure Turbines
  • Double Extraction Condensing Turbines
  • Drive Turbines for blowers, compressors, pumps, etc.
  • Extraction Back Pressure Turbines
  • Extraction Condensing Turbines
  • Injection Condensing Turbines
  • Reheat Turbines
  • Straight Condensing Turbines
  • Straight Back Pressure Turbines


BHEL provides a variety of energy-efficient steam turbines for all industrial needs. Customized steam turbines are also available for all kinds of extraction and injection steam requirements.


BHEL’s industrial steam turbines are categorized under the following product types:


  • Single Flow (up to 75 MW)
  • Counter Flow (30 MW–150 MW)
  • Two Casing (up to 200 MW)
  • Single Cylinder (for reheat applications)
  • Single Stage (30 KW–180 KW)
  • Top Pressure Recovery (Wet type TRT and Dry type TRT)


Fuji Electric Co., Ltd.

Founded: 1923

Location: Shinagawa City, Tokyo, Japan


Fuji Electric Manufacturing Co., Ltd. (also known as “Fuji Electric” and “FE”) was established as a capital and technology alliance between Japan’s “Furukawa Electric Co., Ltd.” and Germany’s “Siemens AG.”


In 1959, Fuji Electric manufactured its first steam turbine. Since then, the company has been providing highly efficient, environment-friendly, and stable steam turbines.


As a leading company in geothermal power generation, Fuji Electric is also a significant contributor to a clean environment by reducing carbon dioxide emissions.


Fuji Electric’s “Steam Turbine Model Series” comprises Reheat, Non-reheat, and Geothermal models.


Fuji Electric provides the following steam turbines for thermal power plants:


Single Cylinder Steam Turbine (FET Series)


The single cylinder non-reheat steam turbines (up to 240 MW) are applicable for combined cycle and conventional fossil power plants. The reliable FET steam turbine can accommodate controlled extractions and/or admission capability and is suitable for both backpressure and condensing applications.


2 Cylinder Steam Turbine (KN Series)


The two-cylinder reheat condensing steam turbines (up to 400 MW) are applicable for combined cycle and conventional fossil power plants and come with double exhaust flows.


3 Cylinder Steam Turbine (HMN Series)


The three-cylinder reheat condensing steam turbines (up to 1000 MW) are applicable for combined cycle and conventional fossil power plants. The HMN steam turbine is suitable for ultra-super critical steam conditions and high temperatures above 566°C.


Other significant steam turbine market players include, but not limited to the following:


  • Ansaldo Energia S.p.A.
  • Beijing Beizhong Steam Turbine Generator Co., Ltd.
  • Kawasaki Heavy Industries, Ltd.
  • L&T-MHI Power Turbine Generators Pvt. Ltd.
  • MAN Energy Solutions
  • OJSC Power Machines
  • Triveni Turbine Ltd.


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Wrapping Up


A steam turbine is a type of heat engine (such as a steam engine) that operates at a higher speed with higher thermal efficiency and a closed-loop control system.


Steam turbines are used for a variety of industrial applications, including:


  • Biomass plants
  • Chemical and petrochemical industry
  • Combined cycle power plants (CCPP)
  • Combined heat and power plants (CHP)
  • Concentrated solar power plants (CSP)
  • District heating plants
  • Pulp and paper mills
  • Waste-to-energy plants (WtE)


The increasing demand for electricity, climate change concerns, and thermal power capacity expansions are significant drivers of the steam turbine market growth in addition to other factors, such as rapid industrialization and renewable energy industry expansion.


There is a surge in demand for compact, efficient, and reliable steam turbines capable of operating in various modes and handling a variety of site conditions and steam cycles.


Consequently, the steam turbine industry is evolving with innovative manufacturing practices. For instance, new thermal-based power generation systems are based on cleaner technologies, such as CCS (Carbon Capture and Storage) and IGCC (Integrated Gasification and Combined-Cycle).


Steam turbine manufacturers combine technology with manufacturing and R&D expertise to meet diverse power generation requirements, while creating greater value for the world.

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