Disclaimer: The data and information provided on this page is the responsibility of the individual transmission owner. MISO’s role, as administrator of the Tariff, is to post the information provided by the transmission owners utilizing the Formula Rate Protocols under the MISO Tariff. Any questions related to the documents or information posted on this page should be directed to the individual transmission owner.
Contact Tariff Pricing to update the available data or other information found on this page.
Posted materials are organized by rate year. For transmission owners with FERC approval to use projected data (with a subsequent true-up), rates are updated annually effective January 1st. Transmission owners using historical data are updated annually effective June 1st. The initial rates for new transmission owners (or those that switch from a historical to forward-looking Attachment O) may be added outside of this cycle, but will be included in the normal annual update cycle thereafter.