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-river hydroelectric plants and an 880MW PHES unit (Gouvães), with a total combined hydroelectric power of 1,158MW....Continue Reading
Fossil fuel sources still account for the majority of global energy consumption, but renewables are not far off. The share of global electricity from renewables grew from 18% in 2009 to nearly 28% in 2020. Renewable energy sources follow learning curves or Wright’s Law—they become cheaper by a constant percentage for every doubling of installed capacity. Therefore, the increasing...Continue Reading