태양열 시장 규모, 점유율, 성장 및 세계 업계 분석, 지역별 인사이트 및 예측(2026-2034년)

Growth Factors of solar thermal Market

The global solar thermal market was valued at USD 17.74 billion in 2025 and is projected to grow from USD 19.56 billion in 2026 to USD 42.56 billion by 2034, registering a CAGR of 10.21% during 2026-2034. Asia Pacific dominated the global solar thermal market with a 75.65% market share in 2025.

Solar thermal systems capture solar radiation and convert it into useful heat for applications such as domestic hot water, district heating, swimming pool heating, and industrial processes. Increasing demand for clean energy, government renewable-energy targets, declining technology costs, and investments in renewable infrastructure are supporting the solar thermal market growth.

Solar Thermal Market Trends

A major solar thermal market trend is the increasing adoption of high-efficiency collectors, particularly evacuated tube collectors and advanced flat plate collectors. Technological improvements are helping systems capture solar energy more efficiently while improving operational performance.

Another important trend is the deployment of thermosiphon solar heating systems, particularly in warm-climate regions. Solar thermal technologies are also being increasingly evaluated for district heating, industrial heat, and large-scale hot-water applications.

Market Drivers

Growing Adoption of Clean Fuel Alternatives

Growing efforts to reduce greenhouse gas emissions are encouraging businesses, households, and governments to adopt clean energy alternatives. Solar thermal systems reduce dependence on conventional fossil fuels and provide an efficient renewable source of heat.

Renewable Energy Target Rollouts by Governments

Government renewable-energy targets, incentives, subsidies, and clean-energy policies are encouraging investments in solar infrastructure. Countries are increasing their renewable-energy capacity to achieve long-term decarbonization objectives, supporting the expansion of the solar thermal industry.

Market Restraints and Challenges

High initial installation costs, availability of alternative renewable technologies, dependence on solar radiation, and space requirements can restrict adoption. Solar thermal systems can also require specialized installation and maintenance expertise. Competition from photovoltaic systems combined with electric heating technologies may create additional challenges in certain applications.

Market Opportunities

Growing investment in district heating, industrial process heat, commercial hot-water systems, and renewable-powered infrastructure offers significant opportunities. Technological developments aimed at increasing collector efficiency and thermal-storage capabilities can further expand applications.

Emerging economies also represent attractive opportunities because rising energy demand and government electrification and renewable-energy programs are creating demand for affordable clean-energy technologies.

Market Segmentation

By Collector Type: Evacuated Tube Collector, Flat Plate Collector, Unglazed Water Collector, and Air Collector. Evacuated tube collectors held a leading position because of their operational advantages and efficiency. Flat plate collectors also have strong adoption, particularly in European applications.

By Type of System: Thermosiphon Solar Heating Systems and Pumped Solar Heating Systems. Thermosiphon systems have been widely deployed in warm-climate regions because of their relatively simple operation and suitability for hot-water applications.

By Application: Domestic Hot Water Systems, Large DHW Systems, Solar Combi Systems, Swimming Pool Heating, and Others. Application patterns vary considerably by geography, with domestic hot water particularly important in China and swimming pool heating prominent in North America.

Regional Analysis

Asia Pacific dominated the solar thermal market with a 75.65% share in 2025. China represents the region's leading market, supported by extensive installations, increasing energy demand, urbanization, renewable-energy targets, and government initiatives. India, Japan, Australia, and other countries are also contributing to regional growth.

Europe is expected to experience strong growth because of renewable-energy targets, research and development activities, and investments in improving solar technology efficiency. European countries are increasingly focusing on clean heating solutions.

North America is projected to witness moderate growth, with the U.S. remaining the leading regional market. Solar thermal systems are particularly relevant for swimming pool heating, commercial hot-water applications, and selected renewable heating projects.

Latin America offers opportunities through planned district-heating projects and renewable-energy investments, particularly in countries such as Mexico and Brazil.

Middle East & Africa have significant long-term potential because of high solar irradiation and increasing investments in renewable energy infrastructure.

Key Industry Players

Major companies operating in the solar thermal market include BrightSource Energy, Abengoa Solar, Siemens, Acciona, SolarReserve, Torresol Energy, Trivelli Energia, Abors Green GmbH, Parvolen CSP Technologies, Sener, Lointek, and SCHOTT. Companies are focusing on technological development, efficiency improvements, new projects, and expansion into emerging markets.

Recent Industry Developments

Industry developments have focused on high-temperature solar thermal technologies, large-scale solar thermal power projects, and improved system efficiency. Technological innovations capable of generating very high temperatures are creating opportunities for replacing fossil fuels in industrial processes.

Investment Analysis and Opportunities

The solar thermal market provides investment opportunities across residential hot-water systems, commercial heating, district heating, industrial applications, swimming pool heating, and large-scale renewable-energy projects. Investments in advanced collectors, thermal storage, efficient heating systems, and integrated renewable infrastructure can support future market expansion.

Conclusion

The global solar thermal market is projected to increase from USD 17.74 billion in 2025 to USD 19.56 billion in 2026 and reach USD 42.56 billion by 2034. The market is being driven by increasing adoption of clean energy, government renewable-energy targets, rising energy demand, technological advancements, and investments in renewable infrastructure. Asia Pacific led the global market with a 75.65% share in 2025, supported strongly by China and expanding renewable-energy investments across the region. Evacuated tube collectors and thermosiphon systems remain important market segments, while district heating, industrial heat, and advanced solar thermal technologies provide additional opportunities. Overall, the solar thermal industry is positioned for continued development as countries seek efficient solutions to reduce fossil-fuel consumption and accelerate the transition toward cleaner energy systems.

Unit Volume (Billion)

Segmentation By Collector Type

• Evacuated Tube Collector
• Flat Plate Collector
• Unglazed Water Collector
• Air Collector

By Type of System

• Thermosiphon Solar Heating Systems
• Pumped Solar Heating System

By Application

• Domestic hot water systems
• Large DHW systems
• Solar Combi systems
• Swimming pool heating
• Others

By Region

• North America (the U.S. and Canada)
• Europe (U.K., Germany, France, Italy, Spain, Turkey and the Rest of Europe)
• Asia Pacific (China, India, Japan, Australia, Southeast Asia and the Rest of Asia Pacific)
• Latin America (Brazil, Mexico and the Rest of Latin America)
• Middle East & Africa (GCC, South Africa and the Rest of the Middle East & Africa)

Table of Content

1. Introduction

• 1.1. Research Scope
• 1.2. Market Segmentation
• 1.3. Research Methodology
• 1.4. Definitions and Assumptions

2. Executive Summary

3. Market Dynamics

• 3.1. Market Drivers
• 3.2. Market Restraints
• 3.3. Market Opportunities

4. Key Insights

• 4.1. Key Emerging Trends - For Major Countries
• 4.2. Latest Technological Advancement
• 4.3. Regulatory Landscape
• 4.4. Industry SWOT Analysis
• 4.5. Porters Five Forces Analysis

5. Global Solar Thermal Market Analysis (GW), Insights and Forecast, 2021-2034

• 5.1. Key Findings / Summary
• 5.2. Market Analysis, Insights and Forecast - By Collector Type
  • 5.2.1. Evacuated Tube Collector
  • 5.2.2. Flat Plate Collector
  • 5.2.3. Unglazed Water Collector
  • 5.2.4. Air Collector
• 5.3. Market Analysis, Insights and Forecast - By Type of System
  • 5.3.1. Thermosiphon Solar Heating Systems
  • 5.3.2. Non-Thermosiphon Solar Heating Systems
• 5.4. Market Analysis, Insights and Forecast - By Application
  • 5.4.1. Domestic Hot Water System
  • 5.4.2. Large DHW System
  • 5.4.3. Solar Combi System
  • 5.4.4. Swimming Pool Heating
  • 5.4.5. Other
• 5.5. Market Analysis, Insights and Forecast - By Region
  • 5.5.1. North America
  • 5.5.2. Europe
  • 5.5.3. Asia Pacific
  • 5.5.4. Latin America
  • 5.5.5. Middle East & Africa

6. North America Solar Thermal Market Analysis (GW), Insights and Forecast, 2021-2034

• 6.1. Key Findings / Summary
• 6.2. Market Analysis, Insights and Forecast - By Collector Type
  • 6.2.1. Evacuated Tube Collector
  • 6.2.2. Flat Plate Collector
  • 6.2.3. Unglazed Water Collector
  • 6.2.4. Air Collector
• 6.3. Market Analysis, Insights and Forecast - By Type of System
  • 6.3.1. Thermosiphon Solar Heating Systems
  • 6.3.2. Non-Thermosiphon Solar Heating Systems
• 6.4. Market Analysis, Insights and Forecast - By Application
  • 6.4.1. Domestic Hot Water System
  • 6.4.2. Large DHW System
  • 6.4.3. Solar Combi System
  • 6.4.4. Swimming Pool Heating
  • 6.4.5. Other
• 6.5. Market Analysis, Insights and Forecast - By Country
  • 6.5.1. U.S.
  • 6.5.2. Canada

7. Europe Solar Thermal Market Analysis (GW), Insights and Forecast, 2021-2034

• 7.1. Key Findings / Summary
• 7.2. Market Analysis, Insights and Forecast - By Collector Type
  • 7.2.1. Evacuated Tube Collector
  • 7.2.2. Flat Plate Collector
  • 7.2.3. Unglazed Water Collector
  • 7.2.4. Air Collector
• 7.3. Market Analysis, Insights and Forecast - By Type of System
  • 7.3.1. Thermosiphon Solar Heating Systems
  • 7.3.2. Non-Thermosiphon Solar Heating Systems
• 7.4. Market Analysis, Insights and Forecast - By Application
  • 7.4.1. Domestic Hot Water System
  • 7.4.2. Large DHW System
  • 7.4.3. Solar Combi System
  • 7.4.4. Swimming Pool Heating
  • 7.4.5. Other
• 7.5. Insights and Forecast - By Country
  • 7.5.1. UK
  • 7.5.2. Germany
  • 7.5.3. France
  • 7.5.4. Italy
  • 7.5.5. Spain
  • 7.5.6. Turkey
  • 7.5.7. Rest of Europe

8. Asia Pacific Solar Thermal Market Analysis (GW), Insights and Forecast, 2021-2034

• 8.1. Key Findings / Summary
• 8.2. Market Analysis, Insights and Forecast - By Collector Type
  • 8.2.1. Evacuated Tube Collector
  • 8.2.2. Flat Plate Collector
  • 8.2.3. Unglazed Water Collector
  • 8.2.4. Air Collector
• 8.3. Market Analysis, Insights and Forecast - By Type of System
  • 8.3.1. Thermosiphon Solar Heating Systems
  • 8.3.2. Non-Thermosiphon Solar Heating Systems
• 8.4. Market Analysis, Insights and Forecast - By Application
  • 8.4.1. Domestic Hot Water System
  • 8.4.2. Large DHW System
  • 8.4.3. Solar Combi System
  • 8.4.4. Swimming Pool Heating
  • 8.4.5. Other
• 8.5. Market Analysis, Insights and Forecast - By Country
  • 8.5.1. China
  • 8.5.2. Japan
  • 8.5.3. India
  • 8.5.4. Australia
  • 8.5.5. Southeast Asia
  • 8.5.6. Rest of Asia Pacific

9. Latin America Solar Thermal Market Analysis (GW), Insights and Forecast, 2021-2034

• 9.1. Key Findings / Summary
• 9.2. Market Analysis, Insights and Forecast - By Collector Type
  • 9.2.1. Evacuated Tube Collector
  • 9.2.2. Flat Plate Collector
  • 9.2.3. Unglazed Water Collector
  • 9.2.4. Air Collector
• 9.3. Market Analysis, Insights and Forecast - By Type of System
  • 9.3.1. Thermosiphon Solar Heating Systems
  • 9.3.2. Non-Thermosiphon Solar Heating Systems
• 9.4. Market Analysis, Insights and Forecast - By Application
  • 9.4.1. Domestic Hot Water System
  • 9.4.2. Large DHW System
  • 9.4.3. Solar Combi System
  • 9.4.4. Swimming Pool Heating
  • 9.4.5. Other
• 9.5. Market Analysis, Insights and Forecast - By Country
  • 9.5.1. Brazil
  • 9.5.2. Mexico
  • 9.5.3. Rest of Latin America

10. Middle East & Africa Solar Thermal Market Analysis (GW), Insights and Forecast, 2021-2034

• 10.1. Key Findings / Summary
• 10.2. Market Analysis, Insights and Forecast - By Collector Type
  • 10.2.1. Evacuated Tube Collector
  • 10.2.2. Flat Plate Collector
  • 10.2.3. Unglazed Water Collector
  • 10.2.4. Air Collector
• 10.3. Market Analysis, Insights and Forecast - By Type of System
  • 10.3.1. Thermosiphon Solar Heating Systems
  • 10.3.2. Non-Thermosiphon Solar Heating Systems
• 10.4. Market Analysis, Insights and Forecast - By Application
  • 10.4.1. Domestic Hot Water System
  • 10.4.2. Large DHW System
  • 10.4.3. Solar Combi System
  • 10.4.4. Swimming Pool Heating
  • 10.4.5. Other
• 10.5. Market Analysis, Insights and Forecast - By Country
  • 10.5.1. South Africa
  • 10.5.2. GCC
  • 10.5.3. Rest of the Middle East & Africa

11. Competitive Analysis

• 11.1. Company Market Share Analysis, 2025
• 11.2. Company Profile
  • 11.2.1. BrightSource Energy
    • 11.2.1.1. Business Overview
    • 11.2.1.2. Product & Service Offering
    • 11.2.1.3. Overall Revenue
    • 11.2.1.4. Geographic Presence
    • 11.2.1.5. Recent Development
  • 11.2.2. Abengoa Solar
    • 11.2.2.1. Business Overview
    • 11.2.2.2. Product & Service Offering
    • 11.2.2.3. Overall Revenue
    • 11.2.2.4. Geographic Presence
    • 11.2.2.5. Recent Development
  • 11.2.3. Siemens
    • 11.2.3.1. Business Overview
    • 11.2.3.2. Product & Service Offering
    • 11.2.3.3. Overall Revenue
    • 11.2.3.4. Geographic Presence
    • 11.2.3.5. Recent Development
  • 11.2.4. Acciona
    • 11.2.4.1. Business Overview
    • 11.2.4.2. Product & Service Offering
    • 11.2.4.3. Overall Revenue
    • 11.2.4.4. Geographic Presence
    • 11.2.4.5. Recent Development
  • 11.2.5. SolarReserve
    • 11.2.5.1. Business Overview
    • 11.2.5.2. Product & Service Offering
    • 11.2.5.3. Overall Revenue
    • 11.2.5.4. Geographic Presence
    • 11.2.5.5. Recent Development
  • 11.2.6. Torresol Energy
    • 11.2.6.1. Business Overview
    • 11.2.6.2. Product & Service Offering
    • 11.2.6.3. Overall Revenue
    • 11.2.6.4. Geographic Presence
    • 11.2.6.5. Recent Development
  • 11.2.7. Trivelli Energia
    • 11.2.7.1. Business Overview
    • 11.2.7.2. Product & Service Offering
    • 11.2.7.3. Overall Revenue
    • 11.2.7.4. Geographic Presence
    • 11.2.7.5. Recent Development
  • 11.2.8. Abors green GmbH
    • 11.2.8.1. Business Overview
    • 11.2.8.2. Product & Service Offering
    • 11.2.8.3. Overall Revenue
    • 11.2.8.4. Geographic Presence
    • 11.2.8.5. Recent Development
  • 11.2.9. Parvolen CSP Technologies
    • 11.2.9.1. Business Overview
    • 11.2.9.2. Product & Service Offering
    • 11.2.9.3. Overall Revenue
    • 11.2.9.4. Geographic Presence
    • 11.2.9.5. Recent Development
  • 11.2.10. Sener
    • 11.2.10.1. Business Overview
    • 11.2.10.2. Product & Service Offering
    • 11.2.10.3. Overall Revenue
    • 11.2.10.4. Geographic Presence
    • 11.2.10.5. Recent Development
  • 11.2.11. Lointek
    • 11.2.11.1. Business Overview
    • 11.2.11.2. Product & Service Offering
    • 11.2.11.3. Overall Revenue
    • 11.2.11.4. Geographic Presence
    • 11.2.11.5. Recent Development
  • 11.2.12. SCHOTT
    • 11.2.12.1. Business Overview
    • 11.2.12.2. Product & Service Offering
    • 11.2.12.3. Overall Revenue
    • 11.2.12.4. Geographic Presence
    • 11.2.12.5. Recent Development