 Among those west side Metro stations are Shady Grove (Gaithersburg), Rockville, and Twinbrook (south Rockville).At least four Montgomery County Ride-On bus routes run through North Potomac and connect riders with the Traville Transit Center and Universities at Shady Grove, Shady Grove and Rockville Metro stations, Shady Grove Hospital, and Quince Orchard Library via routes on Travilah Road, Dufief Mill Road, and Darnestown Road.North Potomac's electric power is provided by Pepco (Potomac Electric Power Company), which serves much of Montgomery County, portions of Prince George's County, and all of the District of Columbia.