POWER PLANT UPGRADING THE LEINI POWER PLANT - A NEW POWER

enhanced performance while maintaining and even improving the level of reliability (> 99.5%). Its balanced thermal distribution throughout the entire engine combined with its extreme operating simplicity enables high cycling capability.

It can be started and stopped without any time limitation and reach base load in approx. 20 minutes, a key factor for grid stability and peak plants.

A wide selection of fuels can be used, ranging from natural gas with hydrocarbons in several proportion or with hydrogen content up to 40% vol, up to liquid fuels such as Diesel Oil, High Speed Diesel and Naphtha.

Environmentally sustainable

The AE 94.3A gas turbine has a NOx level down to 15 ppm in dry gas mode and 60 ppm in dry oil mode (with possibility of reaching 25 ppm with small amount of water).

Ansaldo Energia offers what it calls ‘a Smart Maintenance approach’:

Ansaldo Energia will supply the plant – already built on turnkey basis in 2007 - with a new AE 94.3A gas turbine and related WY23Z generator.

The AE94.3A gas turbine - which will be installed in the Leinì project - has been improved through a process of continuous evolution, This model accounts for more than 4 million hours of operation with ever-increasing performance. According to the company it will incorporate the latest evolutionary updates which will lead to an increase in the efficiency of the whole combined cycle unit.

“The fact that ENGIE has again chosen us for the upgrade of the Leinì plant is a matter of great pride and confirms an ever more fruitful collaboration,” says Marco Lovisolo, Ansaldo Energia Senior Vice President Sales & Marketing.

“Ansaldo Energia built this plant in 2007 and continued to maintain the plant with a timely service, aimed at ensuring the maximum efficiency. With this project we will install a renewed and upgraded machine, backed by a proven experience”.

For ENGIE, Ansaldo Energia built the three plants at Voghera, Rosignano and Leinì in Italy, where they followed up with upgrade and maintenance activities. This has involved a collaboration spanning more than twenty years.

“The solid partnership with Ansaldo Energia is a concrete example of ENGIE’s willingness to invest in the research of technological innovations that make the plant a truly virtuous pole in terms of sustainability, flexibility and energy transition” comments Gelu Rapotan, Director of ENGIE Production.

“In 2022 the Leini plant produced iabout 2.1 TWh of electricity for the national electricity system and 55.5 GWh of thermal energy for the district heating network of the City of Settimo Torinese, also owned by ENGIE.”

Works on the plant will begin in February 2024 and will end with the delivery of the completely upgraded plant scheduled for October 2024. The simple and robust design of the AE94.3A has made it possible to progressively accommodate continuous upgrades over the years. This has

- Customised service agreements, including upgrading packages, allow

- Customers to choose the best solution to fit their needs.

- Extended time between major overhauls (up to 5 years, depending on operating conditions)

- High durability of hot gas path parts

- Quick onsite activities.

There are customised service agreements in place, including upgrading packages, to allow customers to choose the best solution to suit their needs. www.ansaldoenergia.com