Power generation turbines, including both steam and gas turbines, are critical infrastructure components that convert thermal energy into mechanical power for electricity generation, serving baseload, peaking, and renewable backup applications. The steam turbine market is expected to grow from USD 18.74 billion in 2025 to USD 22.48 billion by 2031 at 3.07% CAGR. Power generation turbines are essential for maintaining grid stability and providing reliable electricity supply. The market is segmented by Capacity, with turbines ranging from below 300 MW to above 600 MW, and by Plant Fuel, including Coal, Natural Gas, Nuclear, and Biomass/Waste-to-Energy.

The power generation turbines market is experiencing significant transformation driven by the energy transition and changing grid dynamics. 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. 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. 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 is another key driver, 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. European Union carbon-intensity rules encourage utilities to retrofit rather than build new. Vendors supplying modular turbine trains that fit within existing foundations have shortened outage windows from 16 weeks to 10. Hydrogen co-firing tolerance up to 30% by volume is now a bid prerequisite in several U.K. capacity-market tenders. Steam turbines will continue to play a vital role in the energy transition, providing flexible, reliable power generation capacity that complements renewable energy sources and ensures grid stability.

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