Avangrid Inc (<a href="https://www.nyse.com/quote/XNYS:AGR" target="_blank">NYSE:AGR</a>) said today that its shareholders have voted to approve Spanish utility Iberdrola SA's (<a href="https://www.bolsasymercados.es/bme-exchange/es/Mercados-y-Cotizaciones/Acciones/Mercado-Continuo/Ficha/Iberdrola-ES0144580Y14" target="_blank">BME:IBE</a>) deal to buy the remaining 18.4% stake in the US energy services and delivery company for USD 2.55 billion (EUR 2.27bn).