AEP Indiana Michigan Transmission Company, Inc. MISO Transmission - PowerPoint PPT Presentation

AEP Indiana Michigan Transmission Company, Inc. MISO Transmission Owner Customer Meeting Attachment O Update For Rate Year 2019 August 23, 2019

Greentown Switchyard • AEP purchased specific 765 kV assets from Duke Energy. – Closing date was December 12, 2018. • Sale was approved in FERC Docket No. EC18- 102 on August 17, 2018.

Recovery • Revenue requirement is established annually. • IMTCo is not a load serving entity in MISO – ATRR recovered as a component of Duke Energy Indiana’s Zone 5 NITS ATRR.

Recovery • AEP IMTCo utilizes generic Attachment O from MISO for development of its revenue requirement. – Rate year is June 1 current year through May 31 of the following year. – 2019 Rate Year ATRR is $2,975,077. – Will be updated annually per Attachment O protocols. • Inputs derived from FERC Form 1 and company records – Recovery in MISO is currently limited to Greentown investments by use of plant exclusion line. • Page 4 of 5, lines 1-5. • Exclusion reflects total IMTCo assets in PJM. • Remainder is IMTCo’s gross investment in Greentown.

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