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This section gives a detailed breakdown of your "Delivery" charge plus your "Supply" charges. To understand how Delivery and Supply works, view our video.The number of days within your service period can affect your current charge. Also, the weather/temperature can affect your bill amount. You have the option to select your energy supplier. Learn about Energy Choice.This is not the dollar($) amount owed to National Grid. This is just a portion of your current charges.
