High-Temperature Molten-Salt Pumps - Market Share Analysis, Industry Trends & Statistics, Growth Forecasts (2026 - 2031)

According to Mordor Intelligence, the High-Temperature Molten-Salt pumps market size is expected to increase from USD 163.11 million in 2025 to USD 171.67 million in 2026 and reach USD 257.89 million by 2031, at a CAGR of 8.48% over 2026-2031.

Global High-Temperature Molten-Salt Pumps Market Trends and Insights

CSP And Thermal Storage Capacity Additions Pull Pump Procurement Forward

China connected 9 concentrated solar power projects totaling 900 MW in 2025, taking cumulative installed capacity to 1,738.2 MW, while 25 projects totaling 3,000 MW remained under construction at year-end. This construction pipeline provides the clearest near-term demand base for the high-temperature molten salt pumps market. Tower projects represented 71% of China's technology mix and require separate hot and cold pump sets. Their equipment needs can therefore exceed those of trough projects with similar power capacity. China's 2030 target of 15,000 MW implies 13,300 MW of additions beyond the 2025 base. Two standalone 350 MW solar thermal plants also began construction at the end of 2025. These additions give the high-temperature molten salt pumps market a visible pipeline for equipment and service demand. The 350 MW CGN Qinghai project, commissioned in June 2026, includes 15 hours and 11,747 MWh of molten salt storage, making it a major current procurement reference for pump systems.

Dispatchable Renewable Power Requirements Extend Pump Demand Beyond Solar

Grid operators use thermal storage to absorb surplus electricity and release energy when demand is higher. This broadens the high-temperature molten salt pumps market beyond solar generation equipment. Pump systems with earlier concentrated solar power references can be adapted for standalone grid balancing and industrial heat installations. The same installed design knowledge can reduce the work required to specify pumps for new storage configurations. This gives suppliers in the high-temperature molten salt pumps market a route to adjacent applications without replacing their core hydraulic platforms. Sulzer and Hyme Energy announced a partnership in April 2025 to develop 600°C molten hydroxide storage, using vertical turbine pumps for salt movement within existing industrial infrastructure. China commissioned a steam-extraction molten salt thermal storage facility in July 2026 that retrofits a 600 MW coal unit and provides 100 MW of peak-shaving capacity with more than 6 hours of support. These uses place molten salt circulation equipment within broader power-system flexibility projects.

Corrosion In Chloride Salt Service Limits Next Generation Performance

Chloride salts are needed for pump service above 600°C in Generation 3 concentrated solar power and advanced reactor applications. Their corrosive effect is much greater than that of the nitrate salts used in most operating commercial systems. A Department of Energy and Oak Ridge National Laboratory project reported in 2024 that commercially available bearing materials could not be used in chloride-salt pumps without redesign. The project developed test infrastructure using Haynes 244 and yttria partially stabilized zirconia, but it ended before full-scale bearing tests were completed. Separate Department of Energy research reported corrosion of IN625 in chloride salts at 800°C at rates exceeding 1.1 inches per year. These unresolved material issues limit the near-term portion of the high-temperature molten salt pumps market that can serve the most demanding thermal applications. They also shift attention toward proprietary coatings and cermet composites, which introduce their own supply constraints. Commercially validated chloride-salt solutions may therefore take 3 to 5 years to reach project-ready scale.

Other drivers and restraints analyzed in the detailed report include:

1. Industrial Heat Decarbonization Opens A New Demand Channel
2. Advanced Reactor Programs Create A High Value Pump Niche
3. Long Qualification Cycles Delay Access To High Value Projects

For complete list of drivers and restraints, kindly check the Table Of Contents.

Segment Analysis

Centrifugal pumps accounted for 57.4% of the high-temperature molten salt pumps market size in 2025. Their lead reflects established use in hot and cold salt loops at parabolic trough and early tower projects across North Africa, the Middle East, and China. Mature hydraulic designs and broad ISO 13709 and API 610 alignment make these pumps familiar to procurement teams at commercial nitrate-salt plants. They are used where project operators value established casting materials and maintenance practices, and this installed base supports replacement demand and service work through long plant operating lives.

Vertical turbine pumps are forecast to grow at a 10.2% CAGR through 2031, the highest rate among pump types. They fit two-tank storage systems where deep submergence supports stable suction and reduces freeze risk in the suction column. These configurations can require the pump to sit 12 to 20 meters below the salt surface. Sulzer supplied 18-meter vertical turbine units for the hot and cold circuits of a 100 MW Chinese tower project in 2024. Canned motor pumps serve a smaller premium niche in molten salt reactors because zero-leakage design requirements can exclude conventional shaft seals. Submerged, magnetic-drive, and canned motor designs also gain relevance where industrial users prioritize leak prevention and simpler maintenance access in the high-temperature molten salt pumps industry.

Complete Report Scope:

• By Pump Type
  • Centrifugal Pumps
  • Vertical Turbine Pumps
  • Canned Motor Pumps
  • Submerged Pumps
  • Other Pump Types
• By End User
  • Concentrated Solar Power Plants
  • Thermal Energy Storage Systems
  • Molten-Salt Reactors
  • Industrial Heat and Process Applications
  • Other End Users
• By Geography
  • North America
    • United States
    • Canada
    • Mexico
  • Europe
    • Germany
    • France
    • Italy
    • Spain
    • United Kingdom
    • Poland
    • Russia
    • Rest of Europe
  • Asia-Pacific
    • China
    • India
    • Japan
    • South Korea
    • Australia
    • Indonesia
    • Vietnam
    • Thailand
    • Rest of Asia-Pacific
  • South America
    • Brazil
    • Argentina
    • Chile
    • Rest of South America
  • Middle East and Africa
    • Saudi Arabia
    • United Arab Emirates
    • Egypt
    • South Africa
    • Morocco
    • Rest of Middle East and Africa

Geography Analysis

Asia-Pacific held 42.6% of the high-temperature molten salt pumps market in 2025 and is forecast to grow at a 10.5% CAGR through 2031. China connected 900 MW across 9 concentrated solar power projects in 2025, taking cumulative capacity to 1,738.2 MW, while its 2030 target of 15,000 MW signals large additions from the 2025 base. China's procurement pattern is also shifting toward qualified domestic suppliers. Jiangsu Shuangda's RY(L) series received a China General Machinery Industry Association appraisal in July 2025 after 24 months of operation at a Qinghai plant. Kaiquan received association certification in March 2025 after demonstrating hot, cold, and temperature-adjustment pump operation at the Shou Hang Dunhuang project. India, Japan, and South Korea add demand through industrial thermal storage and small modular reactor preparation, although their combined 2025 share was below 10% of regional volume.

North America and Europe are driven more by reactor demonstrations, operating concentrated solar power fleets, and industrial decarbonization than by new solar thermal capacity. The U.S. Department of Energy is supporting Kairos Power's Hermes reactor and has established the Reactor Pilot Program to advance authorization pathways. Europe combines solar thermal service work in Spain and Morocco with new industrial storage projects, including Kyoto Group's 56 MWh Heatcube that began operating in Hungary in October 2025. Sulzer is supplying 8 molten salt pumps for Highview Power's Carrington liquid air energy storage project, which is expected to operate in March 2027. These projects widen the high-temperature molten salt pumps market beyond conventional solar thermal equipment.

South America and the Middle East and Africa contribute smaller but distinct demand pools. Saudi Arabia and the United Arab Emirates use concentrated solar power within wider energy diversification plans, while Chile's Atacama region supports concentrated solar power and thermal storage development because of its high direct solar resource. Morocco is upgrading the hot molten salt storage tank at Noor Ouarzazate III, and South Africa connected the Redstone concentrated solar power project to the grid in 2024. REN21 reported that no new concentrated solar power projects began construction outside China and a limited group of established markets in 2024. This keeps procurement in the high-temperature molten salt pumps market concentrated in a limited number of active locations.

1. Arvind Corrotech Ltd.
2. AURO PUMPS Pvt. Ltd.
3. Ebara Corporation
4. Flowrox Oy
5. Flowserve Corporation
6. Hayward Tyler
7. Hebei Tobee Pump Co., Ltd.
8. ITT Inc. / Goulds Pumps
9. Jinan Huayang New Material Co., Ltd.
10. Jinan Warwick Pump Co., Ltd.
11. KSB SE & Co. KGaA
12. Magnatex Pumps, Inc.
13. Nagle Pumps, Inc.
14. Process Pumps Corporation
15. Pump-Aid Corporation
16. Sulzer Ltd.
17. Teikoku Electric Mfg. Co., Ltd.
18. The Weir Group PLC
19. WEM Pumps, LLC
20. Wenesco, Inc.

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• The market estimate (ME) sheet in Excel format
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