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 Wednesday it has completed a EUR-5-billion (USD 5.88bn) capital increase to finance its grid enlargement plan, with the offering oversubscribed 3.8 times and priced at EUR 15.15 per share.