Spanish utility Iberdrola SA (<a href="https://www.bolsasymercados.es/bme-exchange/es/Mercados-y-Cotizaciones/Acciones/Mercado-Continuo/Ficha/Iberdrola-ES0144580Y14" target="_blank">BME:IBE</a>) has secured environmental approval to construct a 440-MW pumped-storage hydropower plant (HPP) using two existing reservoirs on the Tagus river in western Spain.