Iberdrola inaugurates 40GWh Tamega pumped hydro plant in Portugal

Spanish utility Iberdrola has inaugurated its ‘Tâmega Gigabattery’ in northern Portugal, a renewable energy complex including pumped hydro with an energy storage capacity of 40GWh. Iberdrola has invested €1.5 billion (US$1.54 billion) in the facility which combines two run-of-riv…