Spanish corporate group Redeia Corporacion SA (<a href="https://www.bolsasymercados.es/bme-exchange/es/Mercados-y-Cotizaciones/Acciones/Mercado-Continuo/Ficha/Redeia-Corporacion-ES0173093024" target="_blank">BME:RED</a>) issued a EUR-500-million (USD 534.9m) green bond on Thursday to raise funds for the transmission grid development and energy transition in Spain.