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Alstom T&D India wins major 400 kV gas-insulated substation orders for Himachal Pradesh

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Alstom T&D India has been awarded two contracts with a total value of INR 2983 million (38 million) to supply two 400/220/66 kV gas-insulated substations (GIS) at Wangtoo and Gumma in Himachal Pradesh. The projects respectively received from Larsen & Toubro (L&T) and HP Power Transmission Corporation Limited (HPPTCL)[1], respectively, aim to improve the transmission capacity of HPPTCL for the transport of electricity generated by hydropower sources across the state.

The scope of the Wangtoo project, worth approximately INR 1550 million (18 million), covers the design, engineering, manufacture, supply, testing, and commissioning of 400 kV, 220 kV and 66 kV gas-insulated switchgear, power transformers, instrument transformers and substation automation system.

The Gumma project, worth INR 1433 million (20 million), includes design, engineering, manufacture, supply, erection, testing, commissioning and covers civil works of 400 kV and 220 kV GIS substation on a turnkey basis. All key equipment for both the projects will be produced by Alstoms state-of-the-art manufacturing facilities across India.

Rathin Basu, Managing Director, Alstom T&D India says, With these dual contract wins for HPPTCL, Alstom is pleased to earn the confidence of its customer for the provision of advanced GIS solutions at the Wangtoo and Gumma substations. Alstom is the leader in Indias GIS activity and has so far supplied over 500 GIS bays in India, covering a range of voltages from 66kV to 400kV. Over 50% of the supplied solutions are produced in India.

Alstom has been the pioneer in localizing GIS manufacturing activity in India since 2009 at its facility in Padappai near Chennai. GIS is the preferred technology for hydropower plants and coastal areas: its compact and enclosed design makes it ideal for smaller footprint and low maintenance application. It is well-adapted for areas where space is scarce, such as cities and regions where cost of land is high.

Himachal Pradesh is one of the few states in India with almost 100% electrification. The Wangtoo and Gumma projects will provide additional hydropower. Once complete, this additional power provided by the Wangtoo & Gumma projects will serve the states growing demand, and the national grid through interstate power transmission. 

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 93,000 people in around 100 countries. It had sales of over 20 billion and booked close to 24 billion in orders in 2012/13. 

Alstom T&D India (globally known as Alstom Grid), is a market leader in the Indian power transmission sector. It has over 100 years of expertise in building the transmission infrastructure for the country. Alstom has a strong portfolio of products, solutions and services, comprising the entire range of transmission equipment up to Extra and Ultra High Voltages (765 kV and beyond) including air-insulated switchgear (AIS) and locally manufactured power transformers and gas-insulated switchgear (GIS). It also provides power electronics solutions (HVDC, FACTS) to create super highways and offers highly advanced power management Smart Grid solutions for transmission and distribution including renewable energies integration. With over 3,500 employees and eight world class manufacturing units, Alstom T&D India is future ready to support the rapidly evolving transmission sector in India. 

Press Contacts 

Nathalie Bourotte Tel: +33 149016217;
Aparna Srivastava (Alstom T&D India) Tel: +91 9560646622; 


[1] HP Power Transmission Corporation Limited (HPPTCL) was established on 27, August, 2008 to work on the transmission Master Plan of the Himachal Pradesh State