Siemens to Build a Combined Cycle Power Plant in Mexico

Siemens Energy has been awarded a contract for the turnkey construction of a combined
cycle power plant in Mexico. The customer is Minera Mexico, a subsidiary of Grupo Mexico, the country's largest mining company and one of the world's largest copper producers. The plant is scheduled to achieve commercial operation in the summer of 2013, at which point it will be able to supply electricity to the company's copper mines. With Siemens' high efficiency combined cycle power plant, Minera Mexico will be able to reduce its production costs and thus further strengthen its competitive position.

Siemens will build the La Caridad combined cycle power plant with an installed capacity of 250 megawatts, which will be located in Sonora State, Mexico. Siemens will be responsible for the full turnkey supply of the plant, which includes Engineering, Procurement, and Construction of the plant. The main equipment to be supplied to the plant includes the SGT6-5000F gas turbine, SST- 900 steam turbine, electric generators, heat-recovery steam generator, and the complete electrical and SPPA-T3000 Instrumentation & Control equipment. Siemens also received a Letter of Intent
from Minera Mexico for a long-term service agreement, which will provide Minera Mexico with reliable operation and maintenance of the plant.

"Electric power accounts for 30% of operation costs and the plant will meet our power needs in the State of Sonora, providing a 40% reduction in costs," said Mr. Xavier Garcia de Quevedo, Grupo Mexico's Executive President.

Siemens has been a pioneer in the electrification of Mexico for more than one hundred years. The first series of turnkey combined cycle power plants built in Mexico were supplied by Siemens. "The La Caridad Project will be the foundation for other similar projects to be built in Mexico for industrial companies," said Michael Suess, CEO of the Fossil Power Generation Division of Siemens Energy. "Mexico is an attractive energy market. We see prospects in fossil- and renewables-based power generation, power transmission and distribution, and in the oil and gas sector."

High-efficiency combined cycle power plants are part of Siemens' Environmental Portfolio. In fiscal year 2010, revenue from the Portfolio totaled about EUR28 billion, making Siemens the world's largest supplier of ecofriendly technologies. In the same period, our products and solutions enabled customers to reduce their carbon dioxide CO2 emissions by 270 million tons, an amount equal to the total annual CO2 emissions of the megacities Hong Kong, London, New York, Tokyo,
Delhi and Singapore.

The Siemens Energy Sector is the world's leading supplier of a complete spectrum of products, services and solutions for the generation, transmission and distribution of power and for the extraction, conversion and transport of oil and gas. In fiscal 2010 (ended September 30), the Energy Sector had revenues of approximately EUR25.5 billion and received new orders totaling more than EUR30.1 billion and posted a profit of more than EUR3.3 billion. On September 30, 2010, the Energy Sector had a work force of more than 88,000. Further information is available at:

Siemens AG
Corporate Communications and Government Affairs
Wittelsbacherplatz 2, 80333 Munich

Media Relations: Gerda Gottschick
Telephone: +49 9131 18-85753

Siemens AG
Energy Sector - Fossil Power Generation Division
Freyeslebenstr. 1, 91058 Erlangen, Germany


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