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Concentrated Solar Thermal Power (CSP)

Industry share of heat and electricity. Heat. 67%. Electricity 33%. Much of this industrial energy is in the form of heat below 250°C, a large proportion of which can be supplied by current or close-to-market solar thermal technologies. About 50% of the industrial heat demand is located at temperatures up to 250°C. A very high percentage of heat demand in the medium and medium-high range is found in food, paper, textile and chemical industries.In the range from 100 to 200°C most of the process heat is used in food, textile and chemical industry for such diverse applications as drying, cooking, cleaning, extraction and many others.

Solar Boiler for Industrial Process Heat at 200 degree Celsius

Solar Industrial Process Heat

The major share of energy which is needed in industrial production processes is below 250°C – a temperature level, which could be well supplied by solar thermal technologies. The lower temperature level (< 80°C) can already be provided today with commercially available solar thermal collectors.

Solar Heat for Industrial Processes (SHIP) is still in its infancy and yet, there is potentially an enormous range of Solar Thermal applications within this sector which can supply a large portion of our total energy demand.

Because solar industrial process heat is not yet widely available, it is important to understand its specific barriers to growth and consequently the best strategies to help overcome these barriers.

The low temperature level (< 80°C) complies with the temperature level which can easily be reached with solar thermal collectors already on the market. However, for many industrial applications higher temperatures are needed. While pipes and pumps from conventional heating systems designed for this temperature range can be used, the solar thermal collectors must be specifically made to provide heat at temperatures above 80-100°C.

  • A studies confirm a general tendency: About 50% of the industrial heat demand is located at temperatures up to 250°C.
  • The biggest heat demand is located in the paper and food industries. A considerable heat demand is also found in the textile and chemical industries.
  • A very high percentage of heat demand in the medium and medium-high range is found in food, paper, textile and chemical industries.
  • In the range from 100 to 200°C most of the process heat is used in food, textile and chemical industry for such diverse applications as drying, cooking, cleaning, extraction and many others.