Spanish utility Naturgy Energy Group SA (<a href="https://www.bolsasymercados.es/bme-exchange/es/Mercados-y-Cotizaciones/Acciones/Mercado-Continuo/Ficha/Naturgy-Energy-Group-ES0116870314" target="_blank">BME:NTGY</a>) recorded an increase of renewable generation EBITDA of 41.4% year-on-year to reach EUR 529 million (USD 573.5m) in the fiscal 2023, thanks mainly to higher installed capacity and higher production in Spain, its financial results show.