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2013 Transmission Stakeholder Meeting

2013 Transmission Stakeholder Meeting Ameren Transmission Company of Illinois and Ameren Illinois Company . October 17, 2012. Agenda. Main Purpose is to review ATXI and AIC Projected 2013 Transmission Rate Calculations Background on Attachment O, GG & MM Overview of MTEP and MVPs

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2013 Transmission Stakeholder Meeting

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  1. 2013 Transmission Stakeholder Meeting Ameren Transmission Company of Illinois and Ameren Illinois Company October 17, 2012

  2. Agenda Main Purpose is to review ATXI and AIC Projected 2013 Transmission Rate Calculations • Background on Attachment O, GG & MM • Overview of MTEP and MVPs • Forward Looking Rates • Approved Incentives • ATXI Comparison to Current Revenue Requirement • AIC Comparison to Current Revenue Requirement • 2013 AMIL Pricing Zone NITS Charge

  3. Aic and Atxi • Both AIC and ATXI are transmission owning subsidiaries of Ameren Corporation, as well as MISO Transmission Owners (TOs) • 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) • AIC will continue to build and own traditional reliability projects • ATXI is in the process of building and will own new regional transmission projects

  4. MISO ATTACHMENTs O, GG & MM Calculate rates for Schedules 9, 26 & 26-A • Attachment GG - Schedule 26 (page 5) • Attachment MM - Schedule 26-A (page 6) • Attachment O - net revenue requirement billed under Schedule 9 (page 7) • Schedules 26 and 26-A are billed by MISO • Schedule 9 is billed by Ameren

  5. MISO ATTACHMENT gg • Cost Recovery for certain Network Upgrades • Eligible projects • Baseline Reliability • 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 three Attachment GG projects completed • ATXI has no Attachment GG projects

  6. 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

  7. 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 • Point-to-Point revenue in Schedules 7 & 8 • Rental revenue • Revenue from generator interconnections • Questions on Tariffs?

  8. 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

  9. 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

  10. MAP OF AMEREN MVPs

  11. Forward looking rates • Rates better reflect current costs • Implemented by several MISO TOs • Requires true-up to actual year costs • New calculations based on projected 2013 data • Rate base items -13 month average balance • Interest on over/under recovery • 2013 true-up calculated in 2014 and reflected in 2015 rates • FERC approved forward looking rates for ATXI effective March 1, 2012 • AIC filed request at FERC in July 2012 and expects an Order by the end of 2012.

  12. Forward looking rates timeline • September 1, 2012 • Calculate 2013 revenue requirements for AIC & ATXI • October 31, 2012 • Meet with Customers to discuss rate input projections and cost detail • January 1, 2013 • New rates in effect • July 1, 2013 • Calculate and post 2012 true-up (Only ATXI in 2013) • September 1, 2013 • Calculate 2014 revenue requirements for AIC & ATXI • Includes 2012 true up with interest for ATXI • October 31, 2013 • Meet with Customers to discuss rate input projections and cost detail • January 1, 2014 • New rates in effect based on 2014 projections and 2012 true-up for ATXI

  13. Rate incentives • FERC approved the following rate incentives for Illinois River in Docket No. EL10-80 • CWIP (no AFUDC) • Abandonment (requires additional filing prior to recovery) • Hypothetical capital structure during construction for ATXI • July 2012 filing requested similar incentives for Spoon River and Mark Twain Projects

  14. ATXI Revenue Requirement Projected 2012 vs Projected 2013

  15. Atxi Projections for 2013 ATXI Rate Base

  16. Atxi Projections for 2013 ATXI Expenses

  17. Atxi Projections for 2013 ATXI True-up & Net Revenue Requirement

  18. Atxi Projections for 2013 ATXI Attachment MM Calculation - Page 1

  19. Atxi Projections for 2013 ATXI Attachment MM Calculation - Page 2

  20. Atxi Projections for 2013

  21. AIC Revenue Requirement June 2012 vs Projected 2013

  22. Aic Projections for 2013 AIC Rate Base

  23. Aic Projections for 2013 AIC Expenses

  24. Aic Projections for 2013 Total AIC Revenue Requirement

  25. Aic Projections for 2013 AIC True-up & Net Revenue Requirement

  26. Aic Projections for 2013 AIC Attachment GG Calculation - Page 1

  27. Aic Projections for 2013 AIC Attachment GG Calculation - Page 2

  28. AIC Projections for 2013

  29. AIC Projections for 2013

  30. AMIL Schedule 9 NITS rate for 2013 AMIL Schedule 9 Rate Calculation

  31. Miso web links • Transmission Pricing - Attachments O, GG & MM Information • https://www.midwestiso.org/MarketsOperations/MarketInformation/Pages/TransmissionPricing.aspx • Ameren OASIS • http://oasis.midwestiso.org/oasis/AMRN • MTEP 11 • https://www.midwestiso.org/Planning/TransmissionExpansionPlanning/Pages/MTEP11.aspx • Schedule 26 & 26-A Indicative Charges • https://www.midwestiso.org/Planning/TransmissionExpansionPlanning/Pages/MTEPStudies.aspx

  32. QUESTIONS?

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