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2013 Attachment O True-Up Stakeholder Meeting

2013 Attachment O True-Up Stakeholder Meeting Ameren Transmission Company of Illinois and Ameren Illinois Company. August 22, 2014. Agenda. Main Purpose is to review ATXI and AIC 2013 Transmission Rate Actuals and True-Up Calculations Timeline ATXI 2013 True Up AIC 2013 True Up

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2013 Attachment O True-Up Stakeholder Meeting

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  1. 2013 Attachment O True-Up Stakeholder Meeting Ameren Transmission Company of Illinois and Ameren Illinois Company August 22, 2014

  2. Agenda Main Purpose is to review ATXI and AIC 2013 Transmission Rate Actuals and True-Up Calculations • Timeline • ATXI 2013 True Up • AIC 2013 True Up • 2014 AMIL Pricing Zone NITS Charge There will be a meeting held on October 1 to review the 2015 Transmission Rate calculations.

  3. New Protocol timeline

  4. ATXI Revenue Requirement Projected 2013 vs Actual 2013

  5. ATXI 2013 True Up

  6. Atxi 2013 true up ATXI Rate Base

  7. ATXI 2013 True Up ATXI Expenses

  8. Atxi 2013 true up ATXI Actual Capital Structure

  9. ATXI 2013 True Up Total ATXI Revenue Requirement

  10. Atxi 2013 true up ATXI True-up & Net Revenue Requirement

  11. Atxi 2013 actuals ATXI Attachment MM Calculation - Page 1

  12. Atxi2013 actuals ATXI Attachment MM Calculation - Page 2

  13. Atxi 2013 true up ATXI 2013 Attachment MM True Up

  14. Atxi 2013 MVP SPEND

  15. AIC Revenue Requirement Projected 2013 vs Actual 2013

  16. Aic 2013 true up

  17. Aic 2013 true up AIC Rate Base

  18. Aic 2013 true up AIC Expenses

  19. Aic 2013 true up Total AIC Capital Structure

  20. Aic 2013 true up Total AIC Revenue Requirement

  21. Aic 2013 true up AIC True-up & Net Revenue Requirement

  22. Aic 2013 Actual AIC Attachment GG Calculation - Page 1

  23. Aic 2013 actual AIC Attachment GG Calculation - Page 2

  24. Aic 2013 true up AIC 2013 Attachment GG True Up

  25. Schedule 9 NITS rate for 2013* * PPI became a TO in the AMIL pricing zone effective 6/1/13 so the actual AMIL 2013 rate would be higher than shown above.

  26. QUESTIONS?

  27. Appendix supplemental background information not covered in presentation

  28. Appendix - Aic and Atxi • Both AIC and ATXI are transmission owning subsidiaries of Ameren Corporation, as well as MISO Transmission Owners (TOs) • AIC will continue to build and own traditional reliability projects • ATXI is in the process of building and will own new regional transmission projects • Prairie Power, Inc. became a TO in the AMIL pricing zone effective June 1, 2013. • The sum of their Attachment O net revenue requirements equals the total revenue requirement for AMIL pricing zone to be collected under Schedule 9 (NITS)

  29. Appendix - MISO ATTACHMENTs O, GG & MM Calculate rates for Schedules 9, 26 & 26-A • Attachment GG - Schedule 26 • Attachment MM - Schedule 26-A • Attachment O - net revenue requirement billed under Schedule 9 • Schedules 26 and 26-A are billed by MISO • Schedule 9 is billed by Ameren

  30. Appendix - MISO ATTACHMENT gg • Cost Recovery for certain Network Upgrades • Eligible projects • Market Efficiency • Generator Interconnections • Cost shared based upon project type • MISO-wide based on load • Subregional based on LODF (Line Outage Distribution Factor) • AIC has four Attachment GG projects completed • Two additional projects under construction • ATXI has no Attachment GG projects

  31. Appendix - MISO ATTACHMENT MM • Cost recovery for Multi-Value Projects (MVPs) • Very similar format as Attachment GG • Criteria for being considered • Developed through planning process and support energy policy • Multiple types of economic value across multiple pricing zones with benefit to costs > 1 • Address at least one: • Projected NERC violation • Economic-based issue • Cost shared across MISO based on load • AMIL Zone is approximately 9% • Ameren MVPs will primarily be built by ATXI • AIC will be responsible for modifications needed to its existing facilities

  32. Appendix - MISO ATTACHMENT O, GG & MM • All transmission costs included in Attachment O calculation • Schedule 9 based on net revenue requirement – reductions for: • Costs recovered in Schedules 26 & 26-A • Revenue Credits • Point-to-Point revenue in Schedules 7 & 8 • Rental revenue • Revenue from generator interconnections

  33. Appendix - Miso transmission expansion plan (MTEP) • Developed on an annual basis building upon previous analysis • MISO, Transmission Owners & Stakeholders • Includes subregional planning meetings • MTEP goals • Ensure the reliability of the transmission system • Ensure compliance with NERC Standards • Provide economic benefits, such as increased market efficiency • Facilitate public policy objectives, such as meeting Renewable Portfolio Standards • Address other issues or goals identified through the stakeholder process • Multiple future scenarios analyzed • End result – comprehensive, cohesive plan for MISO footprint • MTEP approved by MISO Board of Directors

  34. MISO MVPS • Brief history of development • Began investigating value added expansion in 2003 • 2008 Regional Generation Outlet Study (RGOS) - formed basis of Candidate MVP portfolio • Portfolio refined due to additional analysis • MISO approved portfolio of 17 Projects • Seven transmission line segments (MTEP proj numbers)in Ameren territory • Ameren identifies these three projects as: • Illinois Rivers (four line segments) • Spoon River • Mark Twain (two line segments) • Broadly cost-shared, AMIL pricing zone allocated 9% of each MVP no matter where project is located or who builds it

  35. Appendix - MAP OF AMEREN MVPs

  36. Appendix - Rate incentives • FERC approved the following rate incentives for Illinois Rivers in Docket No. EL10-80 • CWIP (no AFUDC) • Abandonment (requires additional filing prior to recovery) • Hypothetical capital structure during construction for ATXI • FERC approved similar incentives for Spoon River and Mark Twain Projects in Docket No. ER12-2216

  37. Appendix - Miso web links • Transmission Pricing - Attachments O, GG & MM Information • https://www.misoenergy.org/MarketsOperations/TransmissionSettlements/Pages/TransmissionPricing.aspx • Ameren OASIS • http://www.oasis.oati.com/AMRN/index.html • MTEP 13 • https://www.misoenergy.org/Planning/TransmissionExpansionPlanning/Pages/MTEP13.aspx • MTEP 14 • https://www.misoenergy.org/Planning/TransmissionExpansionPlanning/Pages/MTEP14.aspx • Schedule 26 & 26-A Indicative Charges • https://www.misoenergy.org/Planning/TransmissionExpansionPlanning/Pages/MTEPStudies.aspx

  38. Appendix - Aic and Atxi • Additional questions can be sent to Ameren’s Formula Rates email address • MISOFormulaRates@ameren.com

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