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This section gives a detailed breakdown of your "Delivery" and 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. This is NOT the dollar($) amount owed to National Grid. This is just a portion of your current charges.You have the option to select your energy supplier. Learn more about Energy Choice.
