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Direct heat from variable renewables


Technology Description

A concentrated solar power (CSP) plant uses mirrors to concentrate solar radiation and convert it in high temperature heat. This can be used in different industrial processes that need high temperature, such as non-metallic particles treatment and clinker production.

Relevance for Net Zero

The technology has reasonable potential to replace fossil fuel use in various applications, and may prove technologically easier to apply than direct electrification of heat. However, it is still at a relatively early stage of development and would require considerable cost reductions to be competitive. Its application may be limited to areas with peak solar potential. Furthermore, replacing all process heat (as opposed to a part) with solar thermal will likely be challenging. Furthermore, it does not address process emission in cement production.

Key Countries

France, United States

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