FILE PHOTO: The headquarters of the European Energy Exchange (EEX), world’s biggest online power trading platform is seen in a centre-of-town high-rise office building in Leipzig, Germany April 25, 2021. REUTERS/Annegret Hilse/File Photo
FILE PHOTO: The headquarters of the European Energy Exchange (EEX), world’s biggest online power trading platform is seen in a centre-of-town high-rise office building in Leipzig, Germany April 25, 2021. REUTERS/Annegret Hilse/File Photo