The demands on the electricity grid in the desert metropolis of Phoenix are enormous: rapid population growth, extreme temperatures and the feed-in of solar energy are just some of the challenges. The hunger for electrical energy is becoming ever greater. To ensure that more electricity flows into the metropolis, the operator of the substation in Maricopa, Electric District 3 (ED3 for short), decided to demolish the old facility and rebuild it from scratch. Because of the special expertise and experience of the Arizona team a contract was awarded to Reinhausen from planning to handing over the keys.