According to Market Research Future, the Steam Turbine Market was valued at USD 17.5 billion in 2025 and is projected to reach USD 24.0 billion by 2035, growing at a CAGR of 3.2%. This steady growth reflects the enduring role steam turbines play in power generation and industrial processes. Steam turbines convert the thermal energy of steam into mechanical energy, which drives generators to produce electricity. They are used in coal, gas, nuclear, and biomass power plants, as well as in industrial applications such as petrochemical, pulp and paper, and food processing. Despite the growth of renewables, steam turbines remain essential for dispatchable, reliable power.
The market is segmented by technology into combined cycle, steam cycle, and cogeneration/CHP. Combined cycle holds the largest share at 48%, as utilities pair gas turbines with heat-recovery steam generators for high efficiency. Cogeneration/CHP is the fastest-growing segment at 4.5% CAGR, driven by industrial demand for simultaneous power and heat.
By capacity, the 351-750 MW segment holds the largest share, serving utility-scale combined cycle and ultra-supercritical coal plants. The up to 120 MW segment is the fastest-growing, driven by industrial CHP, waste-to-energy, and geothermal applications.
End-user segmentation includes power and utility, industrial, and others. Power and utility hold the largest share at 68%, reflecting base-load and peaking plant demand. Industrial is growing at 3.8% CAGR, driven by on-site power and process heat requirements.
Regionally, Asia-Pacific leads with 42% market share, driven by coal fleet modernization in China and LNG expansion in Southeast Asia. Europe holds 24%, supported by cogeneration mandates and fleet life extension. North America holds 22%, with CCGT conversions under IRA incentives.
Key trends include the adoption of ultra-supercritical and advanced ultra-supercritical designs, achieving efficiencies above 47%. Hydrogen and ammonia co-firing retrofits are being developed to decarbonize existing plants. Digital twins and predictive maintenance are optimizing performance and extending equipment life.
Challenges include competition from renewables, which are increasingly cost-competitive. Carbon pricing and emissions regulations affect coal plant economics. Supply chain constraints and skilled labor shortages can delay projects.
The future outlook is positive, driven by the need for dispatchable power, industrial cogeneration, and fleet modernization. As the energy transition progresses, steam turbines will remain essential, and innovation in efficiency, fuel flexibility, and digital controls will shape the market.
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