Dutch gas plants designed to cope with fluctuating renewables

Two Siemens (NYSE: SI)-built combined cycle power plants have been inaugurated and are providing 440 MW each in power capacity, and are ideally suited to cope with the fluctuating feed-in of renewable power.

The Hemweg 9 and Diemen 34 combined cycle power plants in the Netherlands are equipped with an F-Class gas turbine and has an efficiency of almost 60 per cent. The Diemen 34 power plant also produces about 260 MWth (thermal megawatts) of district heat for Amsterdam. This increases the maximum efficiency to 85 per cent for the project client, Nuon.

SGT5-4000F gas turbine
In addition to turnkey construction, Siemens supplied each plant with an SGT5-4000F gas turbine, an SST5-5000 steam turbine, a hydrogen-cooled SGen5-2000H generator, the complete electrical equipment, and an SPPA-T3000 I&C system. The Hemweg 9 power plant was completed before the contractually agreed date with excellent results concerning performance, efficiency and safety during execution.

“The two highly modern combined cycle power plants that we’ve constructed in Amsterdam provide our customers with numerous economic advantages,” says Lothar Balling, head of Gas Turbine Power Plant Solutions at Siemens Energy. “Their high efficiency makes it possible to produce more electricity from the same amount of fuel. The district heat extraction assures our customer of additional revenue and the extreme service friendliness of our equipment minimizes maintenance-related production losses. Thanks to the SGT5-4000F gas turbine’s operating experience of over 7,6 million equivalent hours of operation, both power plants are also exceptionally reliable.”

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