Siemens Energy supplies high-efficiency HL gas turbines to new Italian combined cycle power plant
- Construction of combined cycle power plant for Italian utility EP Produzione
- Efficient HL-class gas turbines will help slash CO2 emissions
- Combined cycle power plants will no longer use river water as cooling medium
Siemens Energy will build a turnkey combined cycle power plant in Ostiglia, Lombardy, Italy. The state-of-the-art combined cycle power plant operates at higher efficiencies and lowers CO2 emissions compared to conventional gas and coal-fired power plants, and will contribute positively to local emissions reductions. At the same time, the power plant will also be able to effectively balance grid fluctuations caused by the feed-in of renewable energy sources such as wind power and solar power. Siemens Energy will form a consortium with Italian engineering general contractors (EPC) Fata SpA and Demont srl to be responsible for project execution. The owner and operator of the new power plant is Italian utility EP Produzione.
The combined cycle power plant will feature HL-class gas turbines from Siemens Energy. This type of gas turbine not only has high power generation efficiency, can maximize the use of natural gas, but also has extremely high operational flexibility. In the future, it can also achieve up to 30% hydrogen-doped combustion. The installed capacity of the project is 880 megawatts, and it is planned to be completed in the spring of 2025. After it is put into operation, it can meet the electricity demand of 500,000 households.
The power plant also uses air-cooled condenser (ACC) technology, so it does not need to take water from the nearby Po River for cooling, thus helping to protect the local environment and ensure the reliable operation of the power plant. In addition, the nitrogen oxide emission concentration of the power plant can be kept at an excellent level of less than 10 milligrams per standard cubic meter, the operating range is wide and flexible, and the fuel consumption level is low, thus becoming a new benchmark in the field of local sustainable development and environmental protection.
Karim Amin, Member of the Executive Board of Siemens Energy AG, said: “The HL-class gas turbines from Siemens Energy will make an important contribution to the success of the energy transition in Italy and around the world. The existing energy mix requires efficient, Flexible gas-fired power plants to quickly increase power generation capacity to compensate for intermittent fluctuations in renewable energy. In addition, our gas turbines can also operate with hydrogen, which will also become one of the key elements of sustainable energy development in the future.”
At the heart of the combined cycle power plant design is a combined cycle unit in a multi-shaft configuration, with a gas turbine and a steam turbine each driving a generator. The scope of supply of Siemens Energy includes one SGT5-9000HL gas turbine, one SGen5-3000W gas turbine generator, one SST5-5000 steam turbine, one SGen5-1200A steam generator, one waste heat boiler and T3000 control system. Siemens Energy will also provide long-term maintenance services for core components of the power plant.
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