Alstom Grid was awarded eleven turnkey projects worth over $50 million by Netze BW to modernize their electrical network in Germany. The projects include the construction and upgrade of four gas-insulated substations (GIS) in Stuttgart city center and seven turnkey air-insulated substations (AIS) in rural areas, scheduled for completion by 2017. Alstom will supply the necessary electrical equipment to build and extend the gas-insulated and air-insulated substations. The turnkey projects include the related civil works.