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When are my monthly files due (MP/SP/CLF) and when are statements available and payments received?

Transmission Settlements follows a calendar monthly billing cycle during the first five business days of the month (excluding MISO holidays and weekends).
Day 1 – Preliminary MP/SP/CLF files are due by 11:30am EST*
Day 2 – Preliminary statements are posted
Day 3 – Final MP/SP/CLF files are due by 12:00pm EST*
Day 5 – Final statements are posted
 
Specific dates for each billing cycle can be found in the link below.
https://cdn.misoenergy.org/2021%20Transmission%20Settlements%20Calendar297655.pdf

* MP/SP/CLF files are submitted by Transmission Owners