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A leading supplier of electrical substations for more than a century, ABB has delivered key advances to improve the reliability and efficiency of transmission and distribution systems in the most demanding environments, from deserts and mountains to offshore rigs and crowded city centers.

Substations are critical parts of an electricity grid that feed power from generating stations into the grid and provide the link between transmission and distribution networks.

ABB delivered the world’s first substation using gas-insulated switchgear (GIS) in 1965. GIS technology reduces a substation’s footprint by up to 70 percent, making it possible to install substations not only in space-restricted city centers, but also on offshore oil and gas platforms, in power plants, office buildings, and even underground.

ABB’s substation technologies continue to play a central role in the evolution of the world’s power networks, supporting the development of more reliable, flexible and smarter grids. Its innovative digital substations leverage digital communications to improve flexibility, availability, reliability and safety while reducing installation costs and environmental impact.

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