ScottishPower earnings suffer from weak pound and warmer weather

The energy giant saw annual retail supply earnings drop 53% to 139.1 million euros (£121.9 million).

Energy giant ScottishPower has seen more customers leave the business (PA)

By Ben Woods, Press Association Chief City Correspondent

Energy giant ScottishPower has seen UK supply earnings plunge more than 50%, sparked by the weak pound and a further exodus of customers.

ScottishPower, which is owned by Spanish group Iberdrola, booked a 53% drop in annual retail supply earnings to 139.1 million euros (£121.9 million) as customer numbers fell by 200,000 to 5.1 million.