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Alstom delivers the first stay ring of Santo Antonio do Jari hydropower plant, in Brazil

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Santo Antonio do Jari hydro power plant, owned by EDP in Brazil and equipped by Alstom, will receive its first stay ring soon.

It is one of the project’s key milestones. This equipment, which weighs approximately 120 tons, is one of the main components of the turbine. The stay ring ensures the homogenous distribution of water into the turbine in order to allow the movement of runner blades to generate power.


The stay ring was manufactured in Alstom’s Taubate factory (Brazil), one of the biggest hydro manufacturing units in the world. It left the site of Taubaté at the end of January by road until it reaches the port of Santos. From there, it will be transported to the port of Belem and then onto the port of Munguba, finally completing the last 60 km to the plant by road. The estimated time for this multi-stage journey is approximately 45 days.


Alstom-led consortium including Brazilian engineering companies CESBE and Areva Koblitz, was awarded an engineering, procurement and construction (EPC) contract by Consorcio Amapa Energia to build and provide power equipment for the new 373.4 MW Santo Antonio do Jari hydroelectric plant to be built on the river Jari in Brazil’s Amazonian region. The plant commissioning is scheduled in late 2014.


Alstom will supply Kaplan turbines, generators, hydromechanical and lifting equipment, DCS (distributed control system), engineering works, erection, supervision and commissioning, for the three units of the plant. Alstom’s Kaplan hydro power turbines are specifically designed to meet the challenging operating conditions of Santo Antonio do Jari.


About Alstom
Alstom is a global leader in the world of power generation, power transmission and rail infrastructure and sets the benchmark for innovative and environmentally friendly technologies. Alstom builds the fastest train and the highest capacity automated metro in the world, provides turnkey integrated power plant solutions and associated services for a wide variety of energy sources, including hydro, nuclear, gas, coal and wind, and it offers a wide range of solutions for power transmission, with a focus on smart grids. The Group employs 92,000 people in around 100 countries. It had sales of €20 billion and booked close to €22 billion in orders in 2011/12.

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