R EQUIRED P OSTINGS

OATT Tariff Filings

OATT

• AEP OATT
• PJM OATT
• SPP OATT

AEP-PJM

Docket No. ER17-405 – (East Operating Companies)

2024 – East OpCo Annual Projection Discovery

• Joint Customer 1st Data Request for 2024 East Formula Projection

2024 – East OpCo Annual Projection

• Notice of Revision filed 12-18-2023
• Notice of Annual Filing
• Formula Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary - Revised 12-18-2023
• 2024 Projected AEP Summary – Revised 12-18-2023
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company

2023 – East OpCo Annual Update (2022 True-up)

• Notice of Annual Filing
• Formula Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• ATRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company
• AEPSC Cost Allocation Manual
• AEP Actuarial Report Non-UMWA YE 2022
• AEP Actuarial Report UMWA YE 2022
• AEPSC 2022 FERC Form 60

• Joint Customer First Data Request for 2022 East Formula True-up
• Joint Customer Second Data Request for 2022 East Formula True-up

2023 – East Revised Projection and Refund Report per EL22-34

• Letter of ROE Update and Refund Report
• Attachments A through E with Revised ROE (zip file)

2023 – East OpCo Annual Projection – Revised NSPL

• Letter for NSPL Update
• Notice of Annual Filing
• Formula Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• 2023 Projected AEP Summary
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company

2022 True-up Data Request & Challenge Responses

• Preliminary Challenge Responses issued 2-06-2023
• Data Request 2 issued 12-07-2022
• Data Request 1 issued 11-18-2022

2022 – East OpCo Annual Update (2021 True-up)

• Annual Filing Revisions 05-27-2022
• Notice of Annual Filing
• Formula Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• ATRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company
• AEPSC Cost Allocation Manual
• AEP Actuarial Report Non-UMWA YE 2021
• AEP Actuarial Report UMWA YE 2021
• AEPSC 2021 FERC Form 60

2022 - East OpCo Annual Projection – Revised NSPL

• Notice of Filing
• PTRR FR Summary 2022
• PTRR FR Summary 2022
• 2022 Projected RTEP AEP Summary

2022 – East OpCo Annual Projection

• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• PTRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company

• 2021 – East OpCo Annual Update – Preliminary Challenge Responses
• Joint Customer First Data Request for 2020 Formula True-up
• Joint Customer Second Data Request for 2020 Formula True-up

2021 East OpCo Annual Update (2020 True-up)

• Notice of Annual Filing
• Formula Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• ATRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company
• AEPSC Cost Allocation Manual
• AEP Actuarial Report Non-UMWA YE 2020
• AEP Actuarial Report UMWA YE 2020
• AEPSC 2020 FERC Form 60

2021 – East OpCo Annual Projection

• Notice of Revision filed 11-19-2020
• Notice of Revision filed 11-13-2020
• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary - Revised 11-19-2020
• PTRR Summary of AEP Operating Companies - Revised 11-19-2020
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company - Revised 11-13-2020
• Wheeling Power Company

2020 – East OpCo Annual Update (2019 True-up)

• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• ATRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company
• UMWA Report 2019
• Non-UMWA Report 2019
• Cost Allocation Manual – 12-31-19
• Notice of Addition of FERC Form 60
• FERC 2019 Form 60

AEP Response to JCG Preliminary Challenge

• AEP Response to JCG Preliminary Challenge
• AEP response to PC-5 Follow-up
• JCG_PC-1 Attachment 1
• JCG_PC-1 Attachment 2 - East OperCos 183
• JCG_PC-1 Attachment 3 - East TransCos 183
• JCG_PC-2019-9 Attachment 1 (Revised- JI 2 23 Attachment 1)
• JCG_PC-2019-15 Attachment 1
• JCG-2019-03 Attachment 1
• JCG-2019-04 Attachment 1

• Joint Customers First Data Request on 2019 Formula True-up
• Joint Customers Second Data Request on 2019 Formula True-up

2020 – East OpCo Annual Projection

• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• PTRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company

2019 – East OpCo Annual Projection

• Notice of Annual Filing
• 01-09-2019 NSPL Correction – Informational Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• ATRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company

2019 Projection Joint Customers Discovery Set 1

• Joint Customers Set 1 Data Request Responses -Public Version
• JI Set 1-5 Attachment 1
• JI-Set 1-8 Attachment 1
• JI-Set 1-9_Attachment_1

2018 Preliminary Challenge Responses 3-23-2020

• Response to Preliminary Challenge to 2018 True-up
• JCG PC-2018-9 Attachment 1
• JCG_C-2018-19 Attachment 1

2018 Preliminary Challenge Dated 2-11-2020

• 021120 Joint Customer Group's Preliminary Challenge Notice AEP East 2018 (002)

2018 – East Operating Company Annual True-up

• Notice of Annual Filing – Resubmittal of Ohio Power Formula 7-10-19
• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP Operating Company Summary Revised 7-10-19
• Formula Rate Update AEP Operating Companies Summary
• ATRR Summary of AEP Operating Companies – Revised 7-10-19
• ATRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company – Revised 7-10-19
• Ohio Power Company
• Wheeling Power Company
• UMWA Report 2018
• Non-UMWA Report 2018
• AEPSC Cost Allocation Manual
• AEPSC 2017 FERC Form 60

2018 True-up – Responses to Joint Interveners' Discovery Set 1

• 2018 True-up – Responses to Joint Interveners' Discovery Set 1

2018 True up Joint Customers Discovery Set 2

• 2018 True up Joint Customers Discovery Set 2

2018 – Interim Rates filed April 2018

• Interim Rate Informational Filing
• ATRR Summary of AEP Operating Companies
• Formula Rate Update AEP Operating Companies Summary
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company

2018 – East OpCo Annual Projection

• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• ATRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company

Annual 2017 True-up

• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• 2017 True-up Joint Interveners Discovery Set 1
• 2017 True-up Joint Interveners Discovery Set 2
• 2017 True-up Joint Interveners Preliminary Challenge and Responses
• 2017 True-Up Customer Meeting Presentation
• Formula Rate Update AEP Operating Companies Summary
• ATRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company
• AEP Actuarial Report UMWA YE 2017
• AEP Actuarial Report Non-UMWA YE 2017
• AEPSC Cost Allocation Manual
• AEPSC 2017 FERC Form 60

2017 – East OpCo Annual Projection

• Notice of Annual Filing
• Annual Projection Customer Meeting Notice
• Annual Projection Customer Meeting Presentation
• Formula Rate Update AEP Operating Companies Summary
• ATRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company
• 2017 OpCo ADIT Forecast Workpaper

Docket No. ER17-406 – OATT Formula Rate (East TCos)

2024 – East TransCo Annual Projection

• Notice of Revision filed 12-18-2023
• Notice of Annual Filing
• Formula Customer Meeting Notice
• PTRR Summary of AEP Transmission East Formula Rates – Revised 12-18-2023
• Formula Rate Update AEP Transmission Companies Summary – Revised 12-18-2023
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company

2023 – East TransCo Annual Update (2022 True-up) – Revised 5-26-2023

• Notice of Annual Filing
• Notice of Annual Filing (Revised 5-26-23)
• Formula Customer Meeting Notice
• Formula Rate Update AEP Transmission Companies Summary (Revised 5-26-23)
• ATRR Summary of AEP Transmission East Formula Rates (Revised 5-26-23)
• Appalachian Transmission Company (Revised 5-26-23)
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company
• AEPSC Cost Allocation Manual
• AEP Actuarial Report Non-UMWA YE 2022
• AEP Actuarial Report UMWA YE 2022
• AEPSC 2022 FERC Form 60

2023 – East Revised Projection and Refund Report per EL22-34

• Letter of ROE Update and Refund Report
• Attachments A through E with Revised ROE (zip file)

2023 – East TCos Annual Projection – Revised NSPL

• Letter for NSPL Update
• Notice of Annual Filing
• Formula Customer Meeting Notice
• Formula Rate Update AEP Transmission Companies Summary
• PTRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company

2022 – East TCos Annual Update (2021 True-up)

• Notice of Annual Filing
• Customer Meeting Announcement
• Formula Rate Update AEP Transmission Companies Summary
• ATRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company
• AEPSC Cost Allocation Manual
• AEP Actuarial Report Non-UMWA YE 2021
• AEP Actuarial Report UMWA YE 2021
• FERC 2021 Form 60

2022 – East Transco Annual Projection – Revised NSPL

• Notice of Filing
• PJM PTRR AEP Transmission Companies 2022
• PJM PTRR AEP Transmission Companies 2022
• Formula Rate Update AEP Transco Summary 2022

2022 – East TCos Annual Projection

• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP Transmission Companies Summary
• PTRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company

2020 East TCos Annual True-up

• Notice of Annual Filing
• Formula Customer Meeting Notice
• Formula Rate Update AEP Transmission Companies Summary
• ATRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company
• AEPSC Cost Allocation Manual
• AEP Actuarial Report Non-UMWA YE 2020
• AEP Actuarial Report UMWA YE 2020
• AEPSC 2020 FERC Form 60

2021 – East TCos Annual Projection

• Notice of Revision filed 11-19-2020
• Notice of Revision filed 11-13-2020
• Notice of Annual Filing
• Formula Rate Update AEP Transmission Companies Summary - Revised 11-19-2020
• PTRR Summary of AEP Transmission East Formula Rates - Revised 11-19-2020
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company - Revised 11-13-2020
• West Virginia Transmission Company

2020 - East TCos Annual Update (2019 True-up) - IMTCO Revision Posted 9-4-2020

• Transmittal Letter
• IM Transco 2019 Actual-rev MISO Elimination
• IM Transco 2019 Actual-rev MISO Elimination
• Summary of ATRR Impacts on IMTCO and AEPTCo
• PJM ATRR AEP Transmission Companies 2019 - IMTCO Revised 8-28-2

2020 – East TCos Annual Update (2019 True-up)

• Notice of Annual Filing
• Customer Meeting Announcement
• Formula Rate Update AEP Transmission Companies Summary
• ATRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company
• Notice of Addition of FERC Form 60
• FERC 2019 Form 60

2020 – East TCos Annual Projection

• Notice of Annual Filing (PDF)
• Formula Rate Update AEP Transmission Companies Summary
• PTRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company

2019 – East TCos Annual Projection

• Notice of Annual Filing (PDF)
• 01-09-2019 NSPL Correction – Informational Filing
• Formula Rate Update AEP Transmission Companies Summary
• ATRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company

2019 Projection Joint Customers Discovery Set 1

• Joint Customers Set 1 Data Request Responses -Public Version
• JI Set 1-5 Attachment 1
• JI-Set 1-8 Attachment 1
• JI-Set 1-9_Attachment_1

2018 Preliminary Challenge Responses 3-23-2020

• Response to Preliminary Challenge to 2018 True-up
• JCG PC-2018-9 Attachment 1
• JCG_C-2018-19 Attachment 1

2018 Preliminary Challenge Dated 2-11-2020

• 021120 Joint Customer Group's Preliminary Challenge Notice AEP East 2018 (002)

2018 - East AEPTCo PJM True-up Filing

• Notice of Annual Filing – Resubmittal of Indiana Michigan Transmission Company Formula 7-16-19
• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP TransCo  Summary Revised 7-16-19
• Formula Rate Update AEP Transmission Companies Summary
• ATRR Summary of AEP Transmission Companies – Revised 7-16-19
• ATRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company – Revised 7-16-19
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company
• AEPSC Cost Allocation Manual
• AEPSC 2017 FERC Form 60

2018 True-up – Responses to Joint Interveners' Discovery Set 1

• 2018 True-up – Responses to Joint Interveners' Discovery Set 1

2018 True up Joint Customers Discovery Set 2

• 2018 True up Joint Customers Discovery Set 2

2018 – AEPTCo PJM - Interim Rates filed April 2018

• Interim Rate Informational Filing
• ATRR Summary of AEP Transmission East Formula Rates
• Formula Rate Update AEP Transmission Companies Summary
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company

2018 – East TCos Annual Projection

• Notice of Annual Filing
• Formula Rate Update AEP Transmission Companies Summary
• ATRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company

Annual 2017 True-up - AEPTCo PJM

• Notice of Annual Filing
• Formula Rate Update AEP Transmission Companies Summary
• ATRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company
• AEPSC Cost Allocation Manual
• AEPSC 2017 FERC Form 60
• 2017 True-up Joint Interveners Discovery Set 1
• 2017 True-up Joint Interveners Discovery Set 2
• 2017 True-up Joint Interveners Preliminary Challenge and Responses

2017 – East TCos Annual Projection

• Notice of Annual Filing
• Annual Projection Customer Meeting Presentation
• Formula Rate Update AEP Transmission Companies Summary
• ATRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company
• 2017 Transco ADIT Forecast Workpaper

Docket No. ER08-1329-000, OATT Formula Rate (East Operating Companies)

Annual Update 2012

• 2012-06 PJM OATT Operating Companies Presentation
• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• PJM ATRR Formula Rate Summary
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company
• NITS Attach C True-Up
• RTEP Attach C True-Up
• Schedule 1A Attach C True-Up
• AEP Actuarial Report Non-UMWA YE 2011
• AEP Actuarial Report UMWA YE 2011
• ADIT Detail Historical

Annual Update 2013

• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• PJM ATRR Formula Rate Settlement Summary Break Link
• Appalachian Power Company

Appalachian Power Company, Corrected Dec 2013

• RTEP Attach C 2012
• RTEP Attach C, Corrected Dec 2013

• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company
• NITS Attach C 2012
• RTEP Attach C 2012
• Schedule 1A Attach C
• AEP Actuarial Report Non-UMWA YE 2012
• AEP Actuarial Report UMWA YE 2012
• AEP Actuarial Report Non-UMWA YE 2012, 10-year forecast
• AEP Actuarial Report UMWA Report, 10-year forecast
• ADIT Detail Historical 2012

• Quadrennial PBOP Update – February 26, 2014 – FERC 205 filing per Settlement Protocols of ER08-1329-000
• Order issued March 25, 2014
• PJM Depreciation Expense Change – March 3, 2014 – FERC 205 filing per Settlement Protocols of ER08-1329-000

Annual Update 2014

• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• ATRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company
• NITS Attach C 2013
• RTEP Attach C 2013
• Schedule 1A Attach C
• AEP Actuarial Report Non-UMWA YE 2013
• AEP Actuarial Report UMWA YE 2013
• ADIT Detail Historical 2013

Annual Update 2015

• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• ATRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company
• NITS Attach C 2014
• RTEP Attach C 2014
• Schedule 1A Attach C
• AEP Actuarial Report UMWA YE 2014
• AEP Actuarial Report Non-UMWA YE 2014
• ADIT Detail Historical 2014

• PJM Depreciation Expense Change – December 29, 2015 – FERC 205 filing per Settlement Protocols of ER08-1329-000

Annual Update 2016

• AEP East Annual Update Supplement
• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• ATRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company
• NITS Attachment C 2015
• RTEP Attachment C 2015
• Schedule 1 A Attachment C
• AEP Actuarial Report UMWA YE 2015
• AEP Actuarial Report Non-UMWA YE 2015
• ADIT Detail Historical 2015

Annual 2016 True-up

• Notice of Annual Filing
• Annual Update Customer Meeting Notice
• Formula Rate Update AEP Operating Companies Summary
• ATRR Summary of AEP Operating Companies
• Appalachian Power Company
• Indiana Michigan Power Company
• Kentucky Power Company
• Kingsport Power Company
• Ohio Power Company
• Wheeling Power Company
• NITS Attachment C 2016
• RTEP Attachment C 2016
• Schedule 1 A Attachment C
• AEP Actuarial Report UMWA YE 2016
• AEP Actuarial Report Non-UMWA YE 2016
• ADIT Detail Historical 2016

Docket No. ER10-355-000, AEPTCo FERC Formula Rate Filing (East TCOs)

Annual Update 2012 - AEPTCo PJM

• 2012-06 PJM OATT Transmission Companies Presentation
• Notice of Annual Filing
• Formula Rate Update AEP Transmission Companies Summary
• ATRR Summary of AEP Transmission Companies
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company
• TransCo NITS Attachment C
• FERC Exclusion of State Formation Costs
• ADIT TransCo Detail

Annual Update 2013 - AEPTCo PJM

• Notice of Annual Filing
• Formula Rate Update AEP Transmission Companies Summary
• ATRR Summary of AEP Transmission Companies
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company
• 2012 NITS Attachment C
• RTEP True-Up Interest Calculation
• FERC Exclusion of State Formation Costs
• ADIT TransCo Detail 2012

Annual Update 2014 - AEPTCo PJM

• Notice of Annual Filing
• Formula Rate Update AEP Transmission Companies Summary
• ATRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company
• 2013 NITS Attachment C
• RTEP True-Up Interest Calculation
• FERC Exclusion of State Formation Costs
• ADIT TransCo Detail 2013

• Quadrennial PBOP Update – March 13, 2015 – FERC 205 filing per Settlement Protocols of ER10-355-000

Annual Update 2015 - AEPTCo PJM

• Notice of Annual Filing
• Formula Rate Update AEP Transmission Companies Summary
• ATRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company
• 2014 NITS Attachment C
• RTEP True-Up Interest Calculation
• FERC Exclusion of State Formation Costs
• ADIT TransCo Detail 2014

Annual Update 2016 - AEPTCo PJM

• AEPTCo PJM Annual Update Supplement
• Notice of Annual Filing
• Formula Rate Update AEP Transmission Companies Summary
• ATRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company
• NITS Attachment C 2015
• RTEP Attachment C 2015
• FERC Exclusion of State Formation Costs
• AADIT TransCo Detail 2015

Annual 2016 True-up – AEPTCo PJM

• Notice of Annual Filing
• Formula Rate Update AEP Transmission Companies Summary
• ATRR Summary of AEP Transmission East Formula Rates
• Appalachian Transmission Company
• Indiana Michigan Transmission Company
• Kentucky Transmission Company
• Ohio Transmission Company
• West Virginia Transmission Company
• NITS Attachment C 2016
• RTEP Attachment C 2016
• FERC Exclusion of State Formation Costs
• ADIT TransCo Detail 2016

AEP-SPP

Docket No. ER18-195-000, OATT Formula Rate Filing (West Operating Companies)

2024 – West OpCo Annual Projection Discovery

• AECC ETEC NTEC GS 1st Data Request for 2024 West Formula Projection

2024 – West OpCo Annual Projection

• Notice of Annual Filing
• SPP Formula Customer Meeting Announcement
• 21 AEP FR Template 2024 Projection
• 22 PSO WS F & G 2024 Projection
• 23 SWE WS F & G 2024 Projection

• AECC ETEC NTEC GS 1st Data Request for 2022 West Formula True-up
• AECC ETEC NTEC GS 2nd Data Request for 2022 West Formula True-up

Annual 2023 Update (2022 True-up)

• Notice of Annual Filing
• SPP Formula Customer Meeting Announcement
• 21 2023 AEP FR Template
• 22 2023 PSO WS F & G
• 23 2023 SWE WS F & G
• 31 AEP FR CY2022 NITS True-Up
• 31 PSO FR CY2022 NITS True-Up
• 31 SWEPCO FR CY2022 NITS True-Up
• 32 SCY2022 PSO-SWEPCO WS F G Input Summmary
• 35 AEP FR CY2022 PTP True-Up
• 35 PSO FR CY2022 PTP True-Up
• 35 SWEPCO FR CY2022 PTP True-Up
• UMWA Report 2022
• Non-UMWA Report 2022
• AEPSC Cost Allocation Manual
• AEPSC 2022 FERC Form 60

Projected 2023 Revenue Requirement

• Notice of Annual Filing
• SPP Formula Customer Meeting Announcement
• 21 AEP FR Template 2023 Projection
• 22 PSO WS F & G 2023 Projection
• 23 SWE WS F & G 2023 Projection

Annual 2022 Update (2021 True-up)

• Notice of Annual Filing Revised
• Notice of Annual Filing
• SPP Formula Customer Meeting Announcement
• 21 2022 AEP FR Template
• 22 2022 PSO WS F & G
• 23 2022 SWE WS F & G
• 31 AEP FR CY2021 NITS True-Up
• 31 PSO FR CY2021 NITS True-Up
• 31 SWEPCO FR CY2021 NITS True-Up
• 32 SCY2021 PSO-SWEPCO WS F G Input Summmary
• 35 AEP FR CY2021 PTP True-Up
• 35 PSO FR CY2021 PTP True-Up
• 35 SWEPCO FR CY2021 PTP True-Up
• UMWA Report 2021
• Non-UMWA Report 2021
• AEPSC Cost Allocation Manual
• AEPSC 2021 FERC Form 60

2021 True-up Data Request & Challenge Responses

• Preliminary Challenge Responses issued 3-23-2022
• Data Request Set 3 issued 11-22-2022
• Data Request Set 2 issued 01-20-2023
• Data Request Set 1 issued 10-25-2022

Projected 2022 Revenue Requirement

• Notice of Filing ER18-195
• Customer Notice
• AEP-SPP Transmission OpCos Formula Rate Projection for Rates eff 1/1/2021
• Supplemental Worksheets F & G (Part IV) – PSO BPU Project Tables
• Supplemental Worksheets F & G (Part IV) – SWE BPU Project Tables
• AECC ETEC NTEC GS First Data Request for 2020 Formula True-up
• AECC ETEC NTEC GS Second Data Request for 2020 Formula True-up

Annual 2021 Update (2020 True-up)

• Notice of Annual Filing
• SPP Formula Customer Meeting Announcement
• 21 2021 AEP FR Template
• 22 2021 PSO WS F & G
• 23 2021 SWE WS F & G
• 31 AEP FR CY2020 NITS True-Up
• 31 PSO FR CY2020 NITS True-Up
• 31 SWEPCO FR CY2020 NITS True-Up
• 32 2021 PSO-SWEPCO WS F G Input Summary
• 35 AEP FR CY2020 PTP True-Up
• 35 PSO FR CY2020 PTP True-Up
• 35 SWEPCO FR CY2020 PTP True-Up
• UMWA Report 2020
• Non-UMWA Report 2020
• AEPSC Cost Allocation Manual
• AEPSC 2020 FERC Form 60

Projected 2021 Revenue Requirement

• Notice of Filing ER18-195
• Customer Notice
• AEP-SPP Transmission OpCos Formula Rate Projection for Rates eff 1/1/2021
• Supplemental Worksheets F & G (Part IV) – PSO BPU Project Tables
• Supplemental Worksheets F & G (Part IV) – SWE BPU Project Tables

2020 Annual Update (2019 True-up)

• Notice of Annual Filing
• SPP Formula Customer Meeting Announcement
• CY 2019 NITS True-Up
• 21 2020 AEP FR Template
• 22 2020 PSO WS F & G
• 23 2020 SWE WS F & G
• 32 2020 PSO-SWE WS F G Input Summary
• Cost Allocation Manual – 12-31-19
• UMWA Report 2019
• Non-UMWA Report 2019
• AEPSC FERC Form 60 2019

• AECC Set 1 Data Request Responses - 2019 True-up
• AECC Set 2 Data Request Responses - 2019 True-up
• AECC Set 3 Data Request Responses - 2019 True-up

2018 True-up Preliminary Challenge issued 1/6/2020

• 2018 True-up Preliminary Challenge issued 1/6/2020

2018 True-up Preliminary Challenge RESPONSES issued 2-6-2020

• AEP West 2018 True-Up - Response to Preliminary Challenge
• PC-5 Attachment 1
• PC-5 Attachment 2
• PC-5 Attachment 3

Projected 2020 Revenue Requirement

• 21 AEP FR Template 2020 Projection
• 21 AEP FR Template 2020 Projection
• 22 2020 PSO WS F & G 2020 Projection
• 22 2020 PSO WS F & G 2020 Projection
• 23 2020 SWE WS F & G 2020 Projection
• 23 2020 SWE WS F & G 2020 Projection

Projected 2019 Revenue Requirement (Filed with new ROE on July 31, 2019)

• 21 AEP FR Template 2019 Projection Revised Final with 10.5 ROE Refiled 7-23-19
• 21 AEP FR Template 2019 Projection Revised Final with 10.5 ROE Refiled 7-23-19
• 22 2019 PSO WS F & G 2019 Projection Revised Final Refiled 7-23-19
• 22 2019 PSO WS F & G 2019 Projection Revised Final Refiled 7-23-19
• 23 2019 SWE WS F & G 2019 Projection Revised Final Refiled 7-23-19
• 23 2019 SWE WS F & G 2019 Projection Revised Final Refiled 7-23-19
• ER18-195 2019 PTRR Revised with Settlment ROE 07-23-2019

Projected 2019 (correction filed December 12, 2018)

• Initial Filing Package ER18-195
• Correction Filed December 12, 2018
• Customer Notice
• AEP-SPP Transmission OpCos Formula Rate Projection for Rates eff 1/1/2019
• Supplemental Worksheets F & G (Part IV) – PSO BPU Project Tables
• Supplemental Worksheets F & G (Part IV) – SWE BPU Project Tables
• Schedule 11 True-Up Interest

2018 True-up – Responses to GDS’ Discovery

• 2018 True-up Responses to GDS' Discovery Set 1
• 2018 True-up Responses to GDS' Discovery Set 2

SPP AEP West Operating Companies 2018 True-up

• Notice of Annual Filing
• SPP Formula Customer Meeting Announcement
• CY 2018 NITS True-Up
• 21 2019 AEP FR Template
• 22 2019 PSO WS F & G
• 23 2019 SWE WS F & G
• 32 2019 PSO-SWE WS F G Input Summary
• 2017 SPP Formula Rate ROE Refund Calculation
• PSO Base Plan ATRR Summary
• PSO Radial Impact
• SWEPCO Base Plan ATRR Summary
• SWEPCO Radial Impact
• AEPSC FERC Form 60
• Master Cam Document
• UMWA Report 2018
• Non-UMWA Report 2018

Projected 2018

• Filing Package ER18-195
• AEP-SPP Transmission OpCos Formula Rate Annual Projection for Rates eff 10/31/2017
• Supplemental Worksheets F & G (Part IV) – PSO BPU Project Tables
• Supplemental Worksheets F & G (Part IV) – SWE BPU Project Tables

Annual Update 2017

• Notice of Annual Filing
• AEP-SPP Transmission Formula Rate Annual Update for Rates eff 07/01/2017
• Supplemental Worksheets F & G (Part IV) -- PSO BPU Project Tables
• Supplemental Worksheets F & G (Part IV) -- SWE BPU Project Tables
• CY 2017 NITS True-Up
• CY 2017 Schedule 11 True-Up
• Annual Formula Rate Update Meeting Notice

Docket No. ER18-194-000, AEPTCo FERC Formula Rate Filing (West Transmission Companies)

2024 – West TransCo Annual Projection

• Notice of Annual Filing
• SPP Formula Customer Meeting Announcement
• 21T AEP Transco FR Template 2024 Projection
• 22T OKTCo WS F & G 2024 Projection

Annual 2023 Update (2022 True-up)

• Notice of Annual Filing
• SPP Formula Customer Meeting Announcement
• 21 2023 AEP Trasco FR Template
• 22T 2023 OKTCo WS F & G
• 23T 2023 SWEPCO WS F & G
• 31T OKTCo FR CY2022 NITS True-Up
• 31T SWTCo FR CY2022 NITS True-Up
• 35T OKTCo FR CY2022 PTP True-Up
• 35T SWTCo FR CY2022 PTP True-Up
• UMWA Report 2022
• Non-UMWA Report 2022
• AEPSC Cost Allocation Manual
• AEPSC 2022 FERC Form 60

Projected 2023 Revenue Requirement

• Notice of Filing ER18-194
• SPP Formula Customer Meeting Announcement
• 21T AEP Transco FR Template 2023 Projection
• 22T OKTCo WS F & G 2023 Projection

Annual 2022 Update (2021 True-up)

• Notice of Annual Filing Revised
• Notice of Annual Filing
• SPP Formula Customer Meeting Announcement
• 21 2022 AEP Trasco FR Template
• 22T 2022 OKTCo WS F & G
• 23T 2022 SWEPCO WS F & G
• 31T OKTCo FR CY2021 NITS True-Up
• 31T SWTCo FR CY2021 NITS True-Up
• 35T OKTCo FR CY2021 PTP True-Up
• 35T SWTCo FR CY2021 PTP True-Up
• UMWA Report 2021
• Non-UMWA Report 2021
• AEPSC Cost Allocation Manual
• AEPSC 2021 FERC Form 60

Projected 2022 Revenue Requirement

• Notice of Filing ER18-194
• Customer Notice
• AEP-SPP TransCo Formula Rate Annual Projection for Rates eff 1/1/2022
• Supplemental Worksheets F & G - OKTCo BPU Project Tables

Annual 2021 Update (2020 True-up)

• Notice of Annual Filing
• SPP Formula Customer Meeting Announcement
• 21 2021 AEP FR Template
• 22T 2021 OKTCo WS F & G
• 31T OKTCo FR CY2020 NITS True-Up
• 31T SWTCo FR CY2020 NITS True-Up
• 32 2021 PSO-SWEPCO WS F G Input Summary
• 35T OKTCo FR CY2020 PTP True-Up
• 35T SWTCo FR CY2020 PTP True-Up
• UMWA Report 2020
• Non-UMWA Report 2020
• AEPSC Cost Allocation Manual
• AEPSC 2020 FERC Form 60

Projected 2021 Revenue Requirement

• Notice of Filing ER18-194
• Customer Notice
• AEP-SPP TransCo Formula Rate Annual Projection for Rates eff 1/1/2021
• Supplemental Worksheets F & G - OKTCo BPU Project Tables

2020 – West TransCos Annual Update (2019 True-up)

• Notice of Annual Filing
• Customer Meeting Announcement
• 21 2020 AEP Transco FR Template
• 22T 2020 OKTCo WS F &G
• 23T 2020 SWTCo WS F &G
• 31T OKTCo FR CY2019 NITS True-up
• 31T SWTCo FR CY2019 NITS True-up
• 32T 2020 OKT-SWT WS F G Input Summary
• 34T 2020 Formation Costs
• 35T OKTCo FR CY2019 PTP True-Up
• 35T SWTCo FR CY2019 PTP True-Up
• Cost Allocation Manual – 12-31-2019
• Non-UMWA Report 2019
• UMWA Report 2019
• AEPSC FERC Form 60 2019

2018 True-up Preliminary Challenge issued 1/6/2020

• 2018 True-up Preliminary Challenge issued 1/6/2020

2018 True-up Preliminary Challenge RESPONSES issued 2-6-2020

• AEP West 2018 True-Up - Response to Preliminary Challenge
• PC-5 Attachment 1
• PC-5 Attachment 2
• PC-5 Attachment 3

Projected 2020 Revenue Requirement

• 21T 2020 AEP Transco FR Template 2020
• 21T 2020 AEP Transco FR Template 2020
• 22T 2020 OKTCo WS F & G 2020
• 22T 2020 OKTCo WS F & G 2020

Projected 2019 Revenue Requirement (Filed with new ROE on July 31, 2019)

• 21T 2019 AEP Transco FR Template 2019 2nd Corrected Projection Final with 10.5 ROE Refiled 7-23-19
• 21T 2019 AEP Transco FR Template 2019 2nd Corrected Projection Final with 10.5 ROE Refiled 7-23-19
• 22T 2019 OKTCo WS F & G 2019 Second Corrected Projection Final Refiled 7-23-19
• 22T 2019 OKTCo WS F & G 2019 Second Corrected Projection Final Refiled 7-23-19
• ER18-194 2019 PTRR Revised with Settlment ROE 07-23-2019

Projected 2019 (correction filed January 10, 2019)

• Initial Filing Package ER18-194
• Correction Filed December 12, 2018
• Correction Filed January 10, 2019
• AEP-SPP TransCo Formula Rate Annual Projection for Rates eff 1/1/2019
• Supplemental Worksheets F & G - OKTCo BPU Project Tables
• Schedule 11 True-Up Interest

SPP AEP West Operating Companies 2018 True-up

• Notice of Annual Filing
• SPP Formula Customer Meeting Announcement
• 21 2019 AEP FR Template
• 22T 2019 OKTCo WS F & G
• 23T 2019 SWTCo WS F & G
• 31T OKTCo FR CY2018 NITS True-Up
• 31T SWTCo FR CY2018 NITS True-Up
• 34T 2019 Formation Costs
• 2017 SPP Formula Rate ROE Refund Calculation
• OK Transco Radial Impact
• OKTCO Base Plan ATRR Summary
• AEPSC FERC Form 60
• Master Cam Document
• UMWA Report 2019
• Non-UMWA Report 2019

Projected 2018

• Filing Package ER18-194
• AEP-SPP TransCo Formula Rate Annual Projection for Rates eff 10/31/2017
• Supplemental Worksheets F & G (Part IV) – PSO BPU Project TablesSupplemental Worksheets F & G - OKTCo BPU Project Tables

Annual Update 2017 - AEPTCo SPP

• Notice of Annual Filing
• EPTCo-SPP Transmission Formula Rate Annual Update for Rates eff 07/01/2017
• OKTCo Supplemental Worksheet F&G
• SWTCo Supplemental Worksheet F&G
• OKTCo 2017 NITS True-Up
• SWTCo 2017 NITS True-Up
• CY 2017 Schedule 11 True-Up
• Exclusion of State Formation Costs (per FERC Settlement)
• Annual Formula Rate Update Meeting Notice

Docket No. ER07-1069-000, OATT Formula Rate (West Operating Companies)

FERC 205 - Proposed Template Revision to Adjust PBOP Expense - Filed November 1, 2016

• SPP FERC 205 - Proposed Template Revision to Adjust PBOP Expense - red-lined
• SPP FERC 205 - Proposed Template Revision to Adjust PBOP Expense - clean

Annual Update 2012

• Notice of Annual Filing
• AEP-SPP Transmission Formula Rate Annual Update for Rates eff 7/01/2012
• AEP-SPP Transmission Formula Rate Annual Update for Rates eff 7/01/2012
• CY 2011 NITS True-Up
• Supplemental Worksheets F & G (Part IV) -- PSO BPU Project Tables
• Supplemental Worksheets F & G (Part IV) -- SWE BPU Project Tables

Annual Update 2013 – Correction Filed on July 15 and December 23

• AEP-SPP Transmission Formula Rate Annual Update for Rates, December 23 Correction
• Notice of Annual Filing
• AEP-SPP Transmission Formula Rate Annual Update for Rates eff 7/01/2013; Revised
• AEP-SPP Transmission Formula Rate Annual Update for Rates eff 7/01/2013; Revised
• CY 2012 NITS True-Up; Revised
• Supplemental Worksheets F & G (Part IV) -- PSO BPU Project Tables; Revised
• Supplemental Worksheets F & G (Part IV) -- SWE BPU Project Tables; Revised
• Annual Formula Rate Update Meeting Notice

• SPP Depreciation Expense Change – March 4, 2014 – FERC 205 filing per Settlement Protocols of ER07-1069-000

Annual Update 2014

• Notice of Annual Filing
• AEP-SPP Transmission Formula Rate Annual Update for Rates eff 07/01/2014
• AEP-SPP Transmission Formula Rate Annual Update for Rates eff 07/01/2014
• Supplemental Worksheets F & G (Part IV) -- PSO BPU Project Tables
• Supplemental Worksheets F & G (Part IV) -- SWE BPU Project Tables
• CY 2013 NITS True-Up
• Annual Formula Rate Update Meeting Notice

Annual Update 2015

• Notice of Annual Filing
• AEP-SPP Transmission Formula Rate Annual Update for Rates eff 07/01/2015
• AEP-SPP Transmission Formula Rate Annual Update for Rates eff 07/01/2015
• Supplemental Worksheets F & G (Part IV) – PSO BPU Project Tables
• Supplemental Worksheets F & G (Part IV) – SWE BPU Project Tables
• CY 2014 NITS True-Up
• Annual Formula Rate Update Meeting Notice

Revised Annual Update 2016('15 data) - Correction Filed on June 30, 2016

• Notice of Annual Filing
• AEP-SPP Transmission Formula Rate Annual Update for Rates eff 07/01/2016
• AEP-SPP Transmission Formula Rate Annual Update for Rates eff 07/01/2016
• Supplemental Worksheets F & G (Part IV) – PSO BPU Project Tables
• Supplemental Worksheets F & G (Part IV) – SWE BPU Project Tables
• CY 2015 NITS True-Up
• Annual Formula Rate Update Meeting Notice

• PSO Depreciation Rate Change – January 23, 2017 – FERC 205 filing per Settlement Protocols of ER07-1069-000

Annual Update 2017

• Notice of Annual Filing
• AEP-SPP Transmission Formula Rate Annual Update for Rates eff 07/01/2017
• Supplemental Worksheets F & G (Part IV) – PSO BPU Project Tables
• Supplemental Worksheets F & G (Part IV) – SWE BPU Project Tables
• CY 2016 NITS True-Up
• Annual Formula Rate Update Meeting Notice
• June 19, 2017 Annual Customer Meeting Presentation

Docket No. ER10-355-000, AEPTCo FERC Formula Rate Filing (West TCOs)

Annual Update 2012 - AEPTCo SPP

• Notice of Annual Filing
• ATRR Summary SPP Formula Rate
• ATRR Summary SPP Formula Rate
• OKTCo Supplemental Worksheet F&G
• SWTCo Supplemental Worksheet F&G
• OKTCo 2011 NITS True Up
• SWTCo 2011 NITS True Up
• Exclusion of State Formation Costs ( Per FERC Settlement)

Annual Update 2013 - AEPTCo SPP

• Notice of Annual Filing
• ATRR Summary SPP Formula Rate
• ATRR Summary SPP Formula Rate
• OKTCo Supplemental Worksheet F&G
• SWTCo Supplemental Worksheet F&G
• OKTCo 2012 NITS True Up
• SWTCo 2012 NITS True Up
• Exclusion of State Formation Costs ( Per FERC Settlement)
• Annual Formula Rate Update Meeting Notice

Annual Update 2014 - AEPTCo SPP

• Notice of Annual Filing
• ATRR Summary SPP Formula Rate
• ATRR Summary SPP Formula Rate
• OKTCo Supplemental Worksheet F&G
• SWTCo Supplemental Worksheet F&G
• OKTCo 2013 NITS True-Up
• SWTCo 2013 NITS True-Up
• Exclusion of State Formation Costs (per FERC Settlement)
• Annual Formula Rate Update Meeting Notice
• AEP Actuarial Report Non-UMWA YE 2013
• AEP Actuarial Report UMWA YE 2013

Annual Update 2015 - AEPTCo SPP– Revision filed on June 9

• Notice of Annual Filing
• ATRR Summary SPP Formula Rate
• ATRR Summary SPP Formula Rate
• OKTCo Supplemental worksheet F & G
• SWTCo Supplemental Worksheet F & G
• OKTCo 2014 NITS True-Up
• SWTCo 2014 NITS True-Up
• Exclusion of State Formation costs (per FERC Settlement)
• Annual Formula Rate Update Meeting Notice

Annual Update 2016 - AEPTCo SPP

• Notice of Annual Filing
• ATRR Summary SPP Formula Rate
• ATRR Summary SPP Formula Rate
• OKTCo Supplemental worksheet F & G
• SWTCo Supplemental Worksheet F & G
• OKTCo 2015 NITS True-Up
• SWTCo 2015 NITS True-Up
• Exclusion of State Formation costs (per FERC Settlement)
• Annual Formula Rate Update Meeting Notice

Annual Update 2017 - AEPTCo SPP

• Notice of Annual Filing
• ATRR Summary SPP Formula Rate
• OKTCo Supplemental worksheet F & G
• SWTCo Supplemental Worksheet F & G
• OKTCo 2016 NITS True-Up
• SWTCo 2016 NITS True-Up
• Exclusion of State Formation costs (per FERC Settlement)
• Annual Formula Rate Update Meeting Notice

IMTCO – MISO Attachment O

• Annual Update for 2020 Rate Year
• Annual Update for 2019 Rate Year - ROE Revised to 10.38%
• Annual Update for 2019 Rate Year

IMTCO 2019 Customer Meeting

• Meeting Announcement
• Presentation