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>) said on Monday that it has signed a new long-term power purchase agreement (PPA) with Burger King in Spain, adding 34 MW of solar electricity to their existing supply deal.