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Siemens has received an order from Electrogas Malta for the turnkey construction of a 200MW natural gas-fired combined cycle power plant (CCPP), which is valued at EUR 175 million. The CCPP is part of a program of the government of Malta to phase out the use of heavy fuel oil and switch to the use of natural gas for power production.
(A Siemens SGT-800 gas turbine)
The new power plant is of Siemens type SCC-800 3x1C which is based on three SGT-800 gas turbines, three HRSGs and one SST-900 steam turbine. The Siemens SGT-800 industrial gas turbine combines a robust, long service-life design with high efficiency and low emissions. Hence, the turbine is qualified for gas turbine and combined cycle applications in simple cycle and cogeneration plants in the industry, in refineries and in the oil and gas industry. More than 250 turbines of this series have been sold worldwide and this fleet has accumulated more than three million equivalent operating hours (EOH).
Floating storage unit for LNG
Electrogas Malta will also provide a floating storage unit for LNG and a regasification plant to provide the natural gas fuel required both for the new CCPP and for an existing reciprocating engine power plant located at the same site, which will be converted to natural gas. For optimization of performance at high ambient air temperatures, the gas turbines will be equipped with an inlet air cooling system which will draw its chilling power from the regasification process of the LNG.
The new CCPP, located at the existing Delimara power station near the city of Marsaxlokk, in southeastern Malta, is expected to generate enough power to meet around 50 percent of Malta's electricity demand. It is likely to operate at high efficiency with low emissions, also at part loads. When this new plant takes up operation, the level of air pollutants as well as fuel consumption for overall power production in Malta is expected to be reduced. Initial operation is scheduled for the summer of 2016.
Michael Kunz, Project Coordinator at Electrogas Malta said the project is driven by the need for reliable, low cost generation and cleaner air. “Siemens' equipment, which operates with high efficiency and low emissions, even in part load operation, has proven to be the solution that best fits our needs. When the new plant is in operation, the levels of air pollutants and rate of fuel consumption for overall power production in Malta will be reduced considerably.”