World’s Largest Solar Power Tower Commissioned

Abengoa Solar has begun commercial operations of the world’s largest solar power tower plant, a 20 MW installation.

The company claims that the performance of the power plant, the so-called PS20, has exceeded its design output in the wake of its three-day production and operational testing period.

Located at the Solúcar Platform, near Seville, Spain, PS20 is the world’s second power tower plant in commercial use and features a number of significant technological improvements with respect to its predecessor, PS10. These enhancements include a higher-efficiency receiver, various improvements in the control and operational systems, and a better thermal energy storage system.

PS20 consists of a solar field made up of 1255 heliostats with a surface area of 1291 square feet each. This reflects the solar radiation it receives onto the receiver, located on the top of a 531 foot-high tower, producing steam which is converted into electricity generation by a turbine. Plant construction was carried out by Abener.

Santiago Seage, CEO of Abengoa Solar, said: “Generating more power during production testing than the design output is indeed a significant milestone.”

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