Boiler Feed Water Treatment Systems for Waste-to-Energy Plants - Market Share Analysis, Industry Trends & Statistics, Growth Forecasts (2026-2031)

The boiler feed water treatment systems market for Waste-to-Energy Plants was valued at USD 324.56 million in 2025 and is estimated to grow from USD 344.20 million in 2026 to reach USD 465.63 million by 2031, at a CAGR of 6.23% during the forecast period (2026-2031). This report is Segmented by System Type (Reverse Osmosis Systems, and More), Waste-To-Energy Plant Type (Municipal Solid Waste (MSW) Waste-To-Energy Plants, and More), Project Type (New Installations, Retrofit Installations, and Other Project Types), and Geography (Asia-Pacific, North America, Europe, and More). The Market Forecasts are Provided in Terms of Value (USD).

Insights and Trends of Boiler Feed Water Treatment Systems Market For Waste-to-Energy Plants

Expansion of Waste-to-Energy Capacity and Boiler Throughput

Every new waste-to-energy plant requires a boiler feed water treatment system for its operating life. The global fleet exceeded 3,100 thermal waste-to-energy plants at the end of 2025 and handles more than 640 million tons of waste each year. This installed base gives the boiler feed water treatment systems market for waste-to-energy plants a recurring equipment and service requirement. New capacity also creates a procurement cycle for high-purity water infrastructure before boiler commissioning. Configured reverse osmosis membranes and electrodeionization modules can require 16 to 20 weeks of lead time, which makes early equipment selection important. This requirement brings water treatment suppliers into the boiler feed water treatment systems market for waste-to-energy plants, further into engineering, procurement, and construction planning.

Landfill-Diversion and Waste-Disposal Regulations

Landfill restrictions support waste-to-energy investment by directing more residual waste toward recovery facilities. The European Union Landfill Directive requires member states to limit municipal waste sent to landfill to 10% by 2035. New plants and capacity upgrades also require changes to boiler systems and associated water treatment equipment. The boiler feed water treatment systems market for waste-to-energy plants benefits when higher operating standards require more consistent water quality. Germany’s sewage sludge recovery rules have supported mono-incineration projects that include water-steam cycles and multistage gas treatment. These projects link waste disposal policy with demand in the boiler feed water treatment systems market for waste-to-energy plants.

High Capital Cost of Integrated High-Purity Water Systems

Integrated reverse osmosis, electrodeionization, and zero-liquid-discharge systems require significant initial spending. Smaller waste-to-energy operators can face capital constraints where regulated tipping fees do not rise with equipment costs. A system designed for a 300 to 500-tons-per-day municipal solid waste plant can represent 4% to 6% of total plant capital expenditure. This can lead operators to retain older ion-exchange systems rather than install new equipment. The boiler feed water treatment systems market for waste-to-energy plants is affected when capital spending is deferred, even if operating costs remain high. Envirogen’s Eco MultiPro system at the Energy Works Hull project illustrates the use of a factory-assembled reverse osmosis and electrodeionization package to reduce site constraints.

Other drivers and restraints analyzed in the detailed report include:

• Demand for Higher Boiler Efficiency and Asset Reliability
• Water Reuse, Chemical Reduction and Zero-Liquid-Discharge Requirements
• Variable Waste Feedstock and Condensate Chemistry

Segment Analysis

Reverse osmosis systems held 38.64% of the boiler feed water treatment systems market size in 2025. They remove total dissolved solids, hardness, silica, and organic loading in a single treatment stage. This role makes reverse osmosis the usual upstream component in high-purity water treatment trains. Reverse osmosis also reduces the ionic loading that later reaches electrodeionization modules and ion-exchange resin. A 2024 techno-economic study of a 3×65-megawatt Indonesian power plant found that a two-stage reverse osmosis unit with 70% recovery reduced ion-exchange regenerant costs and achieved a 218% return on investment with a 2-year amortization period. These economics support the continuing role of reverse osmosis in the boiler feed water treatment systems market for waste-to-energy plants.

Electrodeionization systems are projected to grow at a 7.18% CAGR through 2031. They provide continuous demineralization without the acid and caustic regeneration associated with conventional ion exchange. Xylem’s Ionpure continuous electrodeionization series serves power applications at flow rates from 15 to 100 gallons per minute. This makes the technology relevant to new waste-to-energy plant designs that seek lower chemical use. Ion exchange remains important within the installed base, especially in retrofit and operations-and-maintenance settings. Condensate polishing is also needed where high-pressure combined heat and power cycles require condensate to be treated before reuse. Clarification, deaeration, chemical dosing, and online monitoring remain supporting elements of the boiler feed water treatment systems industry and the boiler feed water treatment systems market for waste-to-energy plants.

Complete Report Scope:

• By System Type
  • Reverse Osmosis Systems
  • Ion Exchange Systems
  • Condensate Polishing Systems
  • Electrodeionization Systems
  • Other System Types (Clarification and Filtration Systems, Deaeration Systems, Chemical Dosing Systems, Online Monitoring and Control Systems)
• By Waste-to-Energy Plant Type
  • Municipal Solid Waste (MSW) Waste-to-Energy Plants
  • Biomass Waste-to-Energy Plants
  • Industrial Waste Incineration Plants
  • Other Waste-to-Energy Plant Types (Refuse-Derived Fuel Plants, Combined Waste Processing Facilities)
• By Project Type
  • New Installations
  • Retrofit Installations
  • Other Project Types (System Replacement and Upgrades, Operations and Maintenance Contracts)
• By Geography
  • Asia-Pacific
    • China
    • India
    • Japan
    • South Korea
    • Rest of Asia-Pacific
  • North America
    • United States
    • Canada
    • Mexico
  • Europe
    • Germany
    • United Kingdom
    • France
    • Italy
    • Rest of Europe
  • South America
    • Brazil
    • Argentina
    • Rest of South America
  • Middle-East and Africa
    • Saudi Arabia
    • South Africa
    • Rest of Middle-East and Africa

Geography Analysis

Europe held 35.18% of the boiler feed water treatment systems market share in 2025. The region has a dense installed base of waste-to-energy plants and regulations that require continued emissions and efficiency improvements. Germany, the United Kingdom, France, and Italy have significant treatment-system procurement activity in the boiler feed water treatment systems market for waste-to-energy plants. Paprec Énergies received a EUR 1.3 billion (approximately USD 1.50 billion) public service delegation in 2025 to build and operate a facility in Seine-et-Marne that will process 215,000 tons annually and produce 146 GWh of electricity. Veolia signed a EUR 270 million (approximately USD 0.31 billion) multi-year agreement in 2025 to modernize the LIPOR waste-to-energy plant in Greater Porto, Portugal.

Asia-Pacific is expected to grow at a 7.52% CAGR through 2031. The region combines new municipal solid waste capacity in China, India, Indonesia, Japan, and South Korea with increasing attention to treatment reliability. JFE Engineering acquired a 25% stake in 2 waste-to-energy projects in Andhra Pradesh in April 2026, each with 750 tons-per-day capacity. The projects are scheduled for completion in 2028 and create a future procurement window for the boiler feed water treatment systems market for waste-to-energy plants. Thermax commissioned a steam and condensate recovery automation system for a Singapore biomass-fired boiler plant in 2026, with recovery of up to 10 tons per hour. Japan and South Korea maintain high treatment-system spending per plant because high-pressure boilers and stringent chemistry protocols are common.

North America, South America, and Middle-East and Africa present different demand conditions. North American demand is more heavily weighted toward operations-and-maintenance contracts, condensate polishing, and resin replacement at established plants. Veolia developed an industrial hazardous waste-to-energy facility in Jubail in 2025 with 121,000 tons per year of incineration capacity. This project indicates the developing waste-to-energy infrastructure pipeline in the Gulf region. Brazil and Morocco have more developed pipelines than other markets in South America and Africa. Permitting and access to financing still limit the pace of equipment procurement in these regions. The boiler feed water treatment systems market for waste-to-energy plants, therefore, has a varied regional mix of retrofit, service, and new-build demand.

List of Companies Covered in this Report:

• ANDRITZ
• Aquatech
• DuPont
• Ecolab Inc.
• Graver Technologies
• Kurita Water Industries Ltd.
• Lenntech B.V.
• Ovivo Water Inc.
• The Envirogen Group
• Thermax Limited
• Valmet
• Veolia
• WesTech Engineering, LLC
• Xylem

Additional Benefits:

• The market estimate (ME) sheet in Excel format
• 3 months of analyst support