By late Wednesday evening, electricity still had not been fully restored.
And in the West, where the game ended early in the evening, electricity consumption was depressed until bedtime.
On Sunday afternoon, Electricity North West switched off the electricity to 5,000 homes as part of a battle to maintain power to 60,000 other properties.
In the UK, an all-renewable electricity supply would be even easier than Germany because the monthly wind variation and evening electricity demand match.
By last night, electricity, lights, telephones and computer systems were back in service and exchanges were planning to return to business today.
Flood defences that were upgraded in 2010 to withstand a "one in 100 years" flood were breached just before 11pm on Saturday night, Electricity North West said.
As of Wednesday afternoon, electricity was out across the island and only essential vehicles were allowed on the roads, many of which were blocked by downed trees and power lines.
BBC Proms The Rake's Progress Glyndebourne Festival, Sussex When a mighty star meets a packed Albert Hall, even in the somnolent heat of a mid-August Sunday afternoon, electricity fills the air.
But on Friday morning electricity was finally restored to a lift, enabling the workers' release.
On Sunday night, electricity demand reached a record high for a non-working day, as residents turned on fans and air conditioning units in an attempt to cool down homes.
