Spanish multi-energy group Repsol SA (<a href="https://www.bolsasymercados.es/bme-exchange/es/Mercados-y-Cotizaciones/Acciones/Mercado-Continuo/Ficha/Repsol-ES0173516115" target="_blank">BME:REP</a>) is holding talks with Hecate Holdings LLC to possibly acquire its 60% stake in their shared solar and storage project development company in the United States, Hecate Energy Group LLC (HEG).