German energy tech giant aims at boosting its digital grid portfolio as power networks are under pressure from ageing infrastructure, rising electrification, and higher load volatilityTim Holt, member of the executive board at Siemens Energy Photo: Executive board member at Siemens Energy Tim HoltBernd RadowitzEuropean Editor, RechargeFollow me My Alerts is a service for subscribers. Please login or subscribe in order to use My Alerts.SubscribeLoginGrid