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ABB secures contract for Pepco’s Capital Grid project in Washington D.C

CTBR Staff Writer Published 07 March 2018

Swiss engineering company ABB has won a contract to supply gas-insulated switchgear (GIS) to help strengthen the electrical grid and to boost energy security for customers across Washington D.C.

The order was placed by Pepco Holdings and is part of the Capital Grid project. Pepco is a major electric and gas utility company, which is part of the Exelon family of companies and serves more than 2 million people in the US capital city.

The US capital is home to 680,000 people and it is experiencing its highest population growth in four decades. It is expected to reach about 900,000 by 2035, which is in turn going to increase the demand for reliable electricity.

The Capital Grid project was started to replace the aging grid infrastructure and to increase transmission capability in the District of Columbia and Maryland to address the present and future energy needs. The project will also help in accommodating new sources of energy.  

The aim of the Capital Grid project is to create a networked system that can connect with several substations through underground transmission lines from the north to the south of the region. As part of the order, ABB will design, supply and install 69kV and 230kV GIS for four substations within the network.

ABB claims that its GIS technology was chosen for its reliability and compactness, which were key considerations when land is scarce.  The technology allows housing of  substations in buildings to protect them in severe weather conditions

 ABB Power Grids president Claudio Facchin said “We are delighted to partner with Pepco once again, to modernize the electrical grid in the US capital with our compact and proven GIS technology.

“These new installations will help enhance transmission capacity and reliability, providing power security for millions of urban consumers and reinforcing ABB’s position as a partner of choice for enabling a stronger, smarter and greener grid.”

Image: ABB’s GIS system. Photo: Courtesy of ABB.