Spanish utility Iberdrola SA (<a href="https://www.bolsasymercados.es/bme-exchange/en/Prices-and-Markets/Shares/Main-Market/Details/Iberdrola-ES0144580Y14" target="_blank">BME:IBE</a>) has signed a ten-year power purchase agreement (PPA) with Tubos Reunidos SA (<a href="https://www.bolsasymercados.es/bme-exchange/en/Prices-and-Markets/Shares/Main-Market/Details/Tubos-Reunidos-ES0180850416" target="_blank">BME:TRG</a>) to supply a total of 120 GWh of renewable electricity to the steel tube manufacturer's plants in Alava and Vizcaya, northern Spain.