After revamping its pricing structure four years ago for the first time in two decades, the Tennessee Valley Authority is again preparing to alter the way it prices the electricity it produces.
The latest change, which will be implemented in October, will continue TVA's attempt to better reflect how the cost of generating power fluctuates depending on the time of day and year.
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In 2011, TVA replaced its previous end-use pricing schedule that charged customers simply on how much energy they consumed each month. In its place, TVA adopted a demand-and-energy pricing system that sets prices based both on how much power is consumed and when it is consumed.