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mcauliffetj t1_ixhs85e wrote

Suppliers are buying energy in advance to cover what they expect all their customers will need.

Once meters have been read and actual consumption is known a true up process known as settlements is run where the amount the supplier pushed to the grid is compared with the amount used by their customers. This is why switching suppliers can’t take effect until your next billing period since our meters are read monthly.

So switching suppliers has no impact on how energy gets to your house just who is responsible for having provided the energy to the grid. That is why our bill is separated into two high level categories:

  1. Supply
  2. Delivery

The supplier is responsible for getting sufficient energy to the grid and Eversource is responsible for getting managing the grid that gets energy to your house.

As an aside - when getting mad at Eversource we should concentrate on that delivery charge. Wallingford has cheap bills not because their supply is so much cheaper but because their delivery is.

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