Concentrated solar power

with highly efficient steam turbines from Siemens. Siemens steam turbines are the most often used power generation product in solar thermal power plants. Our tailored steam turbines are reliably operating in all common concentrated solar power (CSP) plant types.
The power of the sun

An inexhaustible source

Concentrated solar thermal power is worldwide becoming a more and more important source for power generation. The reasons for this are obvious: The sun is an inexhaustible source for power production. And it is not only a free fuel source but also a complete emissions-free source. Steam turbine generator sets convert solar energy into electricity. But what makes our steam turbines so special? Watch our short video clip:
Solar power technologies

The right steam turbine for every application

Since the solar boom of the eighties in USA, solar thermal energy has been a proven technology. The most common type of plant is the parabolic trough collector, but alternative technologies are rapidly coming to the fore, such as Linear Fresnel collector plants with flat mirrors and central tower plants with slightly curved mirrors or heliostats.

The basic principle is the same for all three plant technologies: Mirrors concentrate the incident solar radiation onto a receiver where it is converted into heat that is used to produce steam to drive a steam turbine. Heat storage systems like molten salt tanks provide for power supply even during unfavorable weather conditions or at night. They significantly increase the number of full-load operation hours with optimal steam turbine efficiency.

Turbines for all main CSP technologies

With its broad steam turbine portfolio, Siemens offers a range of turbines for different types of solar plants and all power outputs. The turbine technology fits all three common concentrated solar power concepts. Siemens was the first steam turbine supplier to re-enter the CSP market in the 21st century, pioneering commercial solutions in the US and Spain. Today, Siemens is the world market leader in steam turbines for CSP plants, and has more than 20 years of experience with steam turbines for daily cycling.

Read what our expert says about this winning technology!

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Various benefits

Perfect steam turbines for all requirements

As market leader in industrial steam turbines, Siemens commands a comprehensive product portfolio for solar thermal plants, covering the full range from 1.5 MW to more than 250 MW.
Regimes of operation

Typical regimes of operation

The number of concentrated solar power plants has increased tremendously in the past ten years. Today we see many different regimes of operations, each of which poses a different challenge to power generation equipment. The design of each steam turbine is adapted to these challenges.

Examples for the regimes of operation for a solarthermal power plant, with a power output of 50 MW:

References

Siemens CSP steam turbine highlights

Siemens industrial steam turbines for solar solutions are ordered by customers all over the world and provide energy at CSP plants in the US, Spain, Germany, India and Northern Africa. Below you can find a view selected references.

Industrial steam turbines – tailor-made and flexible

As a market leader for industrial steam turbines, Siemens offers a comprehensive range of reliable and versatile steam turbines for the power output range from 2 to 250 MW. Our industrial steam turbines are designed for easy constructability, fast start-up and economical operation.

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