UK-based independent renewables firm RES said it has been selected by Spain’s 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>) to provide operations and maintenance (O&M) services for its 637-MWdc Frye Solar plant in the US state of Texas.