The global steam turbine market is experiencing steady growth, driven by increasing demand for power generation, industrial process efficiency, and the ongoing energy transition toward cleaner energy sources. According to Mordor Intelligence, the steam turbine market size is expected to grow from USD 18.74 billion in 2025 to USD 19.33 billion in 2026 and is forecast to reach USD 22.48 billion by 2031 at 3.07% CAGR. Steam turbines are rotary mechanical devices that extract thermal energy from pressurized steam and convert it into mechanical work, primarily used for power generation and industrial applications. The market is segmented by Capacity (Below 300 MW, 300 To 600 MW, and Above 600 MW), Plant Fuel (Coal, Natural Gas, Nuclear, and Biomass/Waste-to-Energy), and End-User Industry (Power Generation, Oil and Gas, and Industrial).

The steam turbine market is witnessing significant transformation driven by the surging demand for flexible baseload capacity in coal-retiring grids. Steam turbines equipped with fast-start and low-turn-down features are being retained as synchronous condensers to supply inertia in grids where wind and solar penetration already exceeds 40%. U.S. utilities that decommissioned older subcritical coal units are now repowering interconnection rights with hydrogen-ready combined-cycle blocks that synchronize within 30 minutes. German operators delaying lignite closures until 2030 are ordering single-crystal bladed turbines that can cycle twice daily without creep damage. These installations provide voltage support during evening demand ramps longer than four-hour battery limits, offsetting curtailment penalties levied on renewables. Consequently, steam turbine market participants offering enhanced cycling capability and synthetic inertia packages are commanding 8% to 12% equipment price premiums over legacy designs. The repowering of ageing combined-cycle plants with advanced class steam turbines is another key trend, with roughly 120 GW of F-class gas plants installed between 2000 and 2010 reaching design life. A typical 500 MW uprate boosts net efficiency by 2-3 percentage points and extends asset life 20 years at 40%-50% of greenfield capex. Key players in the steam turbine market include major power generation equipment manufacturers serving the global energy industry. Industrial steam turbines will continue to evolve with advanced materials, digital monitoring, and hydrogen-ready designs, ensuring the steam turbine market remains essential for power generation and industrial efficiency.

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