Pulheim is a town in the Rhein-Erft-Kreis, North Rhine-Westphalia, Germany. Since the 1920s, a large substation of the Rheinisch-Westf…Pulheim is a town in the Rhein-Erft-Kreis, North Rhine-Westphalia, Germany. Since the 1920s, a large substation of the Rheinisch-Westfälisches Elektrizitätswerk AG is located at Pulheim. It is the end of the North–South Powerline and a large control center for the power grid of the RWE.