“Throughput and charging revenue per kWh drove approximately 75% and 25% of the year-over-year revenue growth, respectively,” Lehner said. EVgo had 240 NACS stalls operating across about 100 sites at the end of the quarter. Second-quarter charging network gross profit increased 15% to $22 million, although charging network gross margin declined to 36% from 37% a year earlier. About 60% of the year’s planned build is expected to occur in the fourth quarter, including the energization of EVgo Supercharger sites. It forecast eXtend revenue of $90 million to $95 million and autonomous-vehicle ancillary revenue of $40 million to $45 million.