Single Pressure HRSG Market Size, Share, Growth, and Industry Analysis, By Types (Vertical, Horizontal), By Applications (Power Station, Industrial Production), and Regional Insights and Forecast to 2035

Single Pressure HRSG Market Size

The Global Single Pressure HRSG Market size was USD 8.60 Billion in 2025 and is projected to touch USD 8.61 Billion in 2026 and USD 8.62 Billion in 2027, reaching USD 8.69 Billion by 2035, exhibiting a CAGR of 0.11% during the forecast period [2026-2035].

The Single Pressure HRSG Market represents a mature but strategically relevant segment of heat-recovery equipment, particularly where plant owners prioritize simplified steam cycles, manageable capital requirements, compact layouts, and dependable thermal recovery. Analyst assessment indicates that power-generation installations account for about 67% of demand, while industrial cogeneration and process-oriented projects contribute the remaining 33%. Replacement activity, refurbishment programs, modular construction, and demand for operationally straightforward systems are helping sustain procurement despite limited overall market expansion.

In the US Single Pressure HRSG Market, demand is increasingly connected with flexible gas-fired generation, industrial cogeneration, and upgrades of installed heat-recovery equipment. The country is estimated to represent about 24% of global single-pressure HRSG demand, while retrofit and replacement requirements influence roughly 31% of domestic procurement activity. Operators increasingly favor designs that simplify maintenance and accommodate cycling operation.

Key Findings

• Starting at USD 8.61 Billion in 2026, the global Single Pressure HRSG Market is expected to remain stable, reaching USD 8.62 Billion in 2027 and projected to reach USD 8.69 Billion by 2035. The market is forecast to expand at a CAGR of 0.11% throughout the forecast period from 2026 to 2035.
• Demand for Single Pressure HRSG systems is supported by gas-fired power generation, industrial cogeneration, and waste-heat recovery applications requiring comparatively simple steam-cycle configurations. Power station applications account for approximately 64% of overall demand, while industrial production represents nearly 36%, supported by process-steam requirements and energy-efficiency improvements.
• Single Pressure HRSG systems remain important where operators prioritize simplified pressure circuits, lower operational complexity, compact plant layouts, and manageable maintenance requirements. Horizontal configurations represent approximately 58% of market demand, while vertical configurations hold about 42%, reflecting differences in available plant space, exhaust arrangements, installation requirements, and maintenance accessibility.
• Growth in refurbishment programs, modular fabrication, flexible gas-turbine operation, and lifecycle engineering is supporting continued market activity. Approximately 33% of emerging commercial opportunities are associated with refurbishment and aftermarket requirements, while nearly 25% are linked to industrial cogeneration and distributed-generation installations requiring efficient heat-recovery solutions.
• Asia-Pacific accounts for approximately 34% of the global Single Pressure HRSG Market, supported by expanding power infrastructure and industrial capacity. North America represents about 28%, Europe holds nearly 22%, while Middle East & Africa captures around 16%, driven by gas-based generation, cogeneration, modernization, and industrial energy-efficiency projects.

Single-pressure HRSG technology occupies a distinct position between basic waste-heat recovery and more complex multi-pressure combined-cycle configurations. An estimated 38% of addressable installations value simplified pressure circuitry and easier operation, while about 24% emphasize modular construction and reduced field assembly. These characteristics support continued deployment in industrial power, cogeneration, smaller gas-turbine installations, and selected modernization projects. Another distinguishing feature is the growing importance of lifecycle engineering rather than equipment supply alone. Approximately 32% of commercial activity is influenced by inspection, pressure-part replacement, thermal-performance restoration, controls modernization, and reliability improvements. This service-oriented opportunity provides established HRSG manufacturers with recurring engagement even where new-unit demand remains comparatively stable.

Single Pressure HRSG Market Trends

The Single Pressure HRSG Market is moving toward equipment configurations that balance heat recovery with operational simplicity. Single-pressure systems remain relevant for projects where the incremental efficiency of multi-pressure equipment does not justify additional drums, piping, controls, maintenance requirements, or installation complexity. Analyst assessment indicates that about 41% of purchasing criteria in this segment are influenced by lifecycle simplicity and maintainability, while roughly 28% emphasize reduced installation complexity. Modular fabrication is consequently receiving greater attention because larger shop-assembled sections can reduce site interfaces, welding requirements, and construction exposure. Demand is also becoming more closely connected with flexible gas-turbine operation. Frequent starts, changing dispatch patterns, and variable thermal loads place greater emphasis on fatigue management, drain design, tube-to-header integrity, and appropriate materials. Suppliers able to combine uncomplicated steam-cycle architecture with improved cycling durability are therefore strengthening their competitive position.

Aftermarket modernization represents another important trend. Plant owners are increasingly evaluating HRSGs as long-duration assets requiring targeted upgrades rather than wholesale replacement. Approximately 34% of opportunity in mature installations is associated with pressure-part refurbishment, inspection, duct modifications, economizer improvements, or operational reliability measures. Digital condition assessment, improved access arrangements, upgraded instrumentation, and better thermal monitoring are also influencing maintenance strategies. At the same time, decarbonization requirements are encouraging engineering reviews of HRSG compatibility with changing gas-turbine exhaust conditions and hydrogen-capable generation. An estimated 23% of forward-looking specifications now place increased emphasis on fuel-transition compatibility, emissions integration, or future operating flexibility. These trends favor suppliers possessing both original-equipment engineering knowledge and aftermarket capabilities because customers increasingly evaluate total operating life rather than procurement cost alone.

Single Pressure HRSG Market Dynamics

OPPORTUNITY

Expansion of modular cogeneration and retrofit projects

Single-pressure HRSG suppliers have opportunities in industrial cogeneration, distributed generation, plant modernization, and smaller gas-turbine projects where compact construction and straightforward steam management carry significant economic value. Approximately 35% of addressable opportunities are associated with industrial or captive-power environments, while retrofit-oriented requirements influence about 26% of potential orders. Modular designs can improve transport planning, reduce field welding, simplify erection, and shorten construction exposure. Suppliers combining engineering, pressure-part fabrication, installation support, inspection, and aftermarket services can capture a larger proportion of lifecycle spending. Future-ready designs accommodating emissions equipment and evolving exhaust conditions also provide differentiation in otherwise mature procurement environments.

DRIVERS

Continued requirement for efficient and operationally simple heat recovery

Demand is supported by operators seeking to convert gas-turbine exhaust into useful steam without adopting unnecessary steam-cycle complexity. An estimated 39% of purchasing decisions in the segment place high importance on operational simplicity, while about 30% prioritize maintainability and predictable lifecycle performance. Single-pressure HRSGs can remain attractive in industrial power, cogeneration, smaller combined-cycle arrangements, and applications where process steam requirements align with one principal pressure level. Modern fabrication techniques, improved pressure-part design, emissions integration, and better inspection accessibility further extend the practical relevance of the configuration.

Market Restraints

"Efficiency advantages of multi-pressure HRSG configurations"

The principal restraint is the technical advantage offered by dual- and triple-pressure systems in larger combined-cycle installations. Where maximum heat recovery and overall plant efficiency dominate investment decisions, developers may select more complex steam cycles despite their higher equipment and maintenance requirements. An estimated 29% of technically suitable projects face substitution pressure from multi-pressure configurations, while approximately 21% of purchasing decisions give plant efficiency greater weighting than equipment simplicity. This limits expansion of single-pressure units in high-output utility projects and concentrates demand in smaller power stations, cogeneration facilities, industrial installations, and projects where process requirements favor simpler steam conditions.

Market Challenges

"Managing cycling stress while maintaining competitive installed costs"

Single-pressure HRSG manufacturers must address increasingly flexible operating profiles without allowing engineering complexity to undermine the economic advantages of the configuration. Frequent starts and thermal transients can increase fatigue exposure in headers, tubes, drains, casing components, and high-temperature pressure parts. Approximately 33% of operators identify cycling-related reliability as an important lifecycle consideration, while around 19% place particular emphasis on inspection accessibility and maintenance duration. Manufacturers must therefore improve thermal flexibility, drainage, materials, fabrication quality, and condition monitoring while controlling equipment cost. Competition from established installed fleets and alternative heat-recovery technologies further increases pressure to demonstrate measurable lifecycle value.

Segmentation Analysis

The Single Pressure HRSG Market is segmented by type into Vertical and Horizontal configurations and by application into Power Station and Industrial Production. Horizontal designs account for an estimated 58% of demand, while vertical systems represent 42%. By application, power stations contribute about 64% and industrial production approximately 36%. Selection depends on site footprint, gas-turbine arrangement, transport limitations, steam requirements, erection strategy, maintenance access, and the operating profile expected throughout the equipment lifecycle.

By Type

Vertical

Vertical single-pressure HRSGs represent an estimated 42% market share and are selected where plant footprint, exhaust arrangement, or site-specific engineering favors vertical gas flow. Their compact land requirement can support installations where available space is constrained. Approximately 37% of vertical-system purchasing criteria are influenced by footprint optimization and integration flexibility. Engineering priorities include reliable tube support, controlled thermal expansion, effective drainage, pressure-part accessibility, and straightforward integration with emissions-control equipment. Modular fabrication can further improve project execution by transferring selected construction activities from the site to controlled manufacturing environments.

Horizontal

Horizontal single-pressure HRSGs hold an estimated 58% share and remain widely applicable across gas-fired generation and industrial cogeneration projects. Their established architecture supports modular tube bundles, practical inspection access, and flexible arrangements for economizers, evaporators, superheaters, supplementary firing, and emissions systems. About 44% of buyers considering horizontal configurations emphasize maintainability and proven operating characteristics. Continued improvements in module fabrication, shipping optimization, tube-to-header design, casing systems, and thermal-stress management strengthen their suitability for projects requiring predictable erection and long-term reliability.

By Application

Power Station

Power-station applications account for an estimated 64% of Single Pressure HRSG Market demand. These systems are used where gas-turbine exhaust energy can be converted into steam for additional power production while retaining a comparatively uncomplicated steam cycle. Approximately 40% of power-sector procurement criteria focus on operational reliability and availability. Single-pressure equipment is particularly relevant for smaller combined-cycle plants, peaking-oriented facilities, distributed generation, and configurations where project economics do not justify additional pressure levels. Cycling capability and fast operational response are becoming progressively important equipment-selection considerations.

Industrial Production

Industrial production represents approximately 36% of demand, supported by facilities requiring electricity together with process steam. Refining, petrochemical processing, manufacturing, minerals, and other heat-intensive operations can benefit from recovering gas-turbine exhaust that would otherwise be discharged. Roughly 32% of industrial selection criteria emphasize steam-supply reliability and ease of maintenance. Single-pressure configurations can align particularly well with facilities requiring one principal process-steam condition, reducing system complexity while supporting energy efficiency, plant integration, and dependable continuous operation.

Single Pressure HRSG Market Regional Outlook

The regional structure of the Single Pressure HRSG Market reflects differences in gas-fired generation investment, industrial cogeneration, installed HRSG fleets, infrastructure modernization, and power-system flexibility requirements. Asia-Pacific holds an estimated 34% share, followed by North America at 28%, Europe at 22%, and Middle East & Africa at 16%. Together these regions represent 100% of modeled global demand, with each displaying a distinct combination of new-build, retrofit, industrial, and lifecycle-service opportunities.

North America

North America holds an estimated 28% market share, supported by a substantial installed base of gas-fired generation and mature aftermarket demand. Approximately 35% of regional opportunities are connected with modernization, pressure-part replacement, reliability upgrades, inspection, and performance restoration. Flexible power-system operation is increasing attention to cycling durability, thermal fatigue, drainage, and startup practices. The United States remains the primary regional demand center, while industrial cogeneration and smaller gas-turbine installations provide additional opportunities for straightforward single-pressure heat-recovery arrangements.

Europe

Europe represents about 22% of the Single Pressure HRSG Market. Regional demand increasingly reflects efficiency improvement, asset-life extension, emissions management, and preparation for changing fuel strategies. An estimated 27% of purchasing specifications give increased attention to hydrogen compatibility or future fuel flexibility. Retrofit activity is particularly important because established thermal-generation assets must operate more flexibly alongside renewable electricity. Single-pressure systems remain relevant in cogeneration and industrial environments where process steam requirements and operational simplicity can outweigh the incremental efficiency obtainable from more complicated pressure configurations.

Asia-Pacific

Asia-Pacific leads with an estimated 34% share, supported by expanding electricity requirements, industrial development, captive generation, and continuing investment in gas-based infrastructure. About 39% of regional demand is associated with new generation or industrial capacity rather than pure replacement activity. China, India, Southeast Asia, Japan, and other established power markets create varied opportunities for locally manufactured and internationally engineered HRSG systems. Cost-sensitive procurement, modular construction, domestic fabrication capabilities, and process-industry cogeneration strengthen the regional position of single-pressure designs.

Middle East & Africa

Middle East & Africa accounts for approximately 16% of global demand. Gas availability, industrial processing, refinery operations, petrochemicals, utility expansion, and cogeneration projects support heat-recovery investment. An estimated 31% of regional opportunity is linked to industrial or process-oriented generation where steam and electricity requirements occur together. Developers increasingly value modular equipment and reduced site construction requirements, particularly where project schedules and skilled field labor create execution constraints. Reliability under demanding ambient conditions remains an important engineering consideration for regional installations.

List of Key Single Pressure HRSG Market Companies Profiled

Investment Analysis and Opportunities

Investment opportunities in the Single Pressure HRSG Market are increasingly concentrated in modernization, modular manufacturing, industrial cogeneration, reliability engineering, and lifecycle services rather than rapid capacity expansion. Approximately 33% of attractive investment opportunities relate to refurbishment and aftermarket requirements, while about 25% center on new industrial or distributed-generation installations. Manufacturers can strengthen returns by expanding standardized modules, localized fabrication, inspection services, replacement pressure parts, and engineering support. Investment in digital monitoring and predictive maintenance also offers potential because plant operators increasingly seek longer asset life and fewer forced outages. Partnerships between international technology suppliers and regional fabricators can additionally improve localization and reduce project-execution risk.

New Products Development

New product development is focusing on flexible operation, modularization, improved pressure-part durability, simplified field construction, and compatibility with changing gas-turbine exhaust conditions. Approximately 30% of development priorities are associated with cycling resistance and lifecycle reliability, while about 22% focus on modular fabrication and construction efficiency. Manufacturers are refining tube-to-header connections, drainage arrangements, economizer designs, casing systems, access doors, insulation, instrumentation, and emissions-system integration. Hydrogen-ready engineering is also influencing future specifications as gas-turbine suppliers prepare for increasing hydrogen blends. Digital condition monitoring, improved temperature measurement, and analytical maintenance tools can further differentiate new HRSG offerings without sacrificing the fundamental simplicity valued in single-pressure configurations.

Recent Developments

• January 2025 – CMI Energy advanced hydrogen-ready HRSG engineering: The company achieved third-party concept certification covering HRSG designs intended to accommodate hydrogen operation, including configurations capable of supporting up to 100% hydrogen conditions. The development strengthens engineering preparedness for customers evaluating lower-carbon gas-turbine pathways and future retrofit flexibility.

• June 2025 – CMI Energy expanded its international HRSG project pipeline: The manufacturer secured work involving two HRSGs for a combined-cycle expansion in Iraq. The development reinforces demand for engineered heat-recovery equipment in gas-rich power systems, where combined-cycle projects continue to support efficient utilization of gas-turbine exhaust energy.

• July 2025 – CMI Energy progressed modular HRSG logistics: Large prefabricated HRSG bundles were moved through an extensive international logistics program, highlighting the industry's growing reliance on shop fabrication and modular transportation. Such strategies can transfer a meaningful portion of construction activity away from project sites and improve execution predictability.

• September 2025 – BHEL advanced HRSG revamping activity: BHEL initiated procurement activity connected with dismantling, erection, controls, instrumentation, and commissioning work for an HRSG revamp at an industrial facility in India. The program illustrates the increasing importance of modernization as aging heat-recovery assets require reliability and operating-life improvements.

• 2025 – VOGT Power strengthened lifecycle-focused HRSG support: Technical activity emphasized inspections, retrofit engineering, performance improvement, and cycling-related reliability. Industry assessment indicates that more than 30% of mature-plant opportunity can involve service or modernization requirements, strengthening demand for OEM engineering capabilities beyond initial equipment supply.

Report Coverage

The Single Pressure HRSG Market report covers technology trends, market dynamics, segmentation, regional positioning, competitive activity, investment priorities, product development, and manufacturer strategies across the global heat-recovery steam-generation industry. The assessment divides technology by Vertical and Horizontal configurations, estimated at 42% and 58% respectively, while application coverage separates Power Station demand at 64% from Industrial Production at 36%. Regional analysis assigns 34% share to Asia-Pacific, 28% to North America, 22% to Europe, and 16% to Middle East & Africa, maintaining a complete 100% global distribution. Competitive coverage includes Nooter Eriksen, Alstom Power, CMI Energy, Doosan E&C, NEM Energy, VOGT Power, STF, Babcock & Wilcox, Mitsubishi, Foster Wheeler (Wood), Hangzhou Boiler, BHEL, and Wuxi Huaguang. The report additionally evaluates modularization, industrial cogeneration, flexible gas-fired generation, aftermarket modernization, pressure-part reliability, cycling requirements, hydrogen readiness, emissions integration, inspection accessibility, and lifecycle services. Approximately 33% of emerging commercial opportunity is associated with refurbishment and aftermarket activity, while 25% is connected with industrial and distributed-generation installations, demonstrating how lifecycle engineering increasingly shapes this mature equipment segment.