Midwest ISO OASIS Notice

The Midwest ISO AFC calculations will be switched to PowerGEM ATC/AFC Calculator (PAAC) on Tuesday, May 22, 2007, after 20:30 EDT. This change will not cause any interruption to the Midwest ISO services related to Transmission Service Request processing. Please contact the tariff administrator on duty with any questions.

UPDATE: PowerGEM ATC/AFC Calculator (PAAC) was brought online successfully at approximately 20:30 EDT as scheduled. The cutover was smooth.