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>) has begun producing electricity at the 364-MW Antofagasta Phase 1 wind farm in northern Chile.