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In the recent years in Spain mostly of the installed power plants are thermal solar power plants, mainly due to the grants provided by local administration for the construction of these renewable energy power plants, and because it uses the sun as an infinite and free source of energy. In this way, we can say that Spain is one of the leading countries in technology and design in these type of power plants being a reference in the world for this type of projects. Besides, it is clear that these type of power plants are still under development, and need to be improved in all technical aspects due to the lack of accumulate experience.
Technical barriers remain to be solved in order to bring these new technologies into the energy markets. Nowadays, there are four important hurdles to overcome: resource assessment, performance improvement, component cost reduction, and operation and maintenance cost reduction.
From the Instrumentation and Control point of view, this aspect is also present, but thanks to all project participants as technologists, turnkey companies, engineering firms, contractors and devices and control system suppliers, all I&C design criteria concepts are better than ten years ago, and they should be implemented in next generation Thermal Solar Power Plants.