Steam Turbine Aftermarket Revenue to Attain USD 10.6 Bn by 2035
Published: 31 Mar 2026
Author: Precedence Research
Steam Turbine Aftermarket Revenue and Trends 2026 to 2035
The global steam turbine aftermarket size accounted for USD 4.36 billion in 2025 and is predicted to increase from USD 4.56 billion in 2026 to approximately USD 6.91 billion by 2035, expanding at a CAGR of 4.71% from 2026 to 2035. The market is growing as more industries seek energy-efficient solutions and increasingly adopt advanced steam turbine technologies to improve performance and reduce energy consumption.
What are the Driving Factors of the Steam Turbine Aftermarket?
The rapid industrialization in emerging economies is driving demand for reliable and efficient turbines. The global shift toward renewable energy sources, like biomass and geothermal, is increasing the need for specialized maintenance and upgrades. Aging power plant infrastructure worldwide creates steady demand for repairs, retrofits, and spare parts. Continuous technological advancements are boosting interest in turbine optimization and performance upgrades. Strict environmental regulations are pushing the adoption of emissions control solutions. Rising use of industrial cogeneration systems requires regular turbine upkeep, while the integration of IoT and AI enables predictive maintenance and smarter monitoring solutions.
Segmental Insights
- By type of services, the services segment held the biggest revenue share of 42.12% in 2025, driven by the growing demand for higher operational efficiency and reduced downtime. Steam turbine operators increasingly seek comprehensive service solutions that include routine maintenance and troubleshooting support. Additionally, stricter emission regulations and a focus on energy efficiency have further boosted the growth of this segment.
- By technology, the fossil segment captured the heighted market share of 45.93% in 2025, driven by the global reliance on coal and natural gas power plants. Many regions, especially emerging economies, depend on these plants for electricity. The need to improve efficiency, meet strict emission standards, and upgrade operations has boosted demand for modernization and aftermarket services.
- By capacity, the 100 MW to 300 MW segment contributed the major market share of 30.89% in 2025, owing to their widespread use in thermal and fossil fuel power plants. Valued for their versatility in industrial cogeneration and base-load power, these turbines face strict emission requirements, driving demand for aftermarket solutions that boost efficiency and performance.
- By service provider, the OEMs segment generated the largest market share of 73.44% in 2025, offering high-quality replacement parts and tailored steam turbine services. They provide complete solutions to maintain performance and extend operational life. With their specialized expertise and deep knowledge of turbine technology, OEMs are able to deliver comprehensive and reliable aftermarket services.
- By end-user, the power generation segment captured the significant market share of 59.89% in 2025, driven by strong demand for steam turbines in fossil fuel and nuclear plants. These turbines are essential for large-scale electricity production. The sector relies on aftermarket services for maintenance, equipment upgrades, and efficiency improvements, ensuring older facilities remain operational and productive.
Regional Insights
Asia Pacific dominated the global market with the largest revenue share of 41.09% in 2025, driven by rising energy demand from rapid industrial growth. The region’s numerous coal and natural gas power plants, along with aging facilities needing regular maintenance, have fueled the steam turbine aftermarket. Expanding infrastructure in China and India and the shift toward thermal and combined power systems further boosted market growth.
North America is expected to grow at the fastest CAGR during the forecast period. This is driven by power plants seeking services to improve efficiency and meet environmental regulations. Heavy investments from the U.S. and Canadian governments to modernize aging facilities, along with the upcoming replacement of many turbines nearing the end of their lifespan, are boosting demand for aftermarket services.
North America Aluminum Extrusion Market Report Coverage
| Report Attribute | Key Statistics |
| Market Revenue in 2025 | USD 4.36 Million |
| Market Revenue by 2035 | USD 6.91 Million |
| CAGR from 2026 to 2035 | 4.71% |
| Quantitative Units | Revenue in USD million/billion, Volume in units |
| Base Year | 2025 |
| Focasted Year | 2026 ro 2035 |
| Segments Covered | Type of Service, Technology, Capacity, Service Provider, and End-user |
Recent Development
- On March 26, 2026, Germany’s Innomotics secured multiple turbine replacement orders globally. Their HV Series HS-modyn, built at Dynamowerk in Berlin, is renowned for its reliable compressor drives. Thanks to its unique rotor design, the turbine offers exceptional dependability while keeping maintenance costs to a minimum.
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