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 faced legal action related to its plan to build a 504-MW wind farm in the US state of Wyoming.