Spanish electric 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>) said on Monday that it has obtained environmental approval to hybridise an existing hydroelectric plant with a new 86.4-MWp solar farm at a site in the region of Extremadura, western Spain.