2014 Annual Attachment O Stakeholder Meeting Ameren Missouri August 18,2014 AGENDA Primary purpose is to review AMMO Pricing Zone Historical 2013 Transmission Rate Calculations which became effective June 1, 2014 • • • • • • Background on Attachment O,GG & MM Overview of MTEP Ameren Missouri Rate Inputs New Rate Protocols Comparison to Previous Revenue Requirement 2014 AMMO Pricing Zone NITS Charge 2 AMEREN MISSOURI • Ameren Missouri is a transmission-owning subsidiary of Ameren Corporation, as well as a MISO Transmission Owner (TO) • Ameren Illinois and Ameren Transmission Company of Illinois (ATXI) are two other Ameren subsidiaries that are MISO TOs. • ATXI was formed to build and own new regional transmission projects such as the MISO Multi-Value Projects • Ameren Missouri will continue to build and own traditional reliability projects needed to meet local needs and continue to maintain its existing transmission system • Ameren Missouri is currently building a new local reliability project in Southeast Missouri. • Ameren Missouri is the only MISO Transmission Owner in the AMMO pricing zone. 3 MISO ATTACHMENTS O & GG 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 4 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) • Ameren Missouri has three Attachment GG projects completed • One additional project under construction • These projects were approved by MISO under prior Tariff provisions which allowed limited cost sharing for certain reliability projects • Attachment MM is very similar to Attachment GG • Applies to MISO Multi-Value Projects, but is not applicable to Ameren Missouri since it is not building or developing any MVPs. 5 MISO ATTACHMENT O & GG • All transmission costs included in Attachment O calculation • Schedule 9 based on net revenue requirement – reductions for: • Any costs recovered in Schedules 26 & 26-A • Revenue Credits • Point-to-Point revenue in Schedules 7 & 8 • Rental revenue • Revenue from generator interconnections • Questions on Tariffs? 6 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 7 AMMO RATE INPUTS • Rates calculated using prior year FERC Form 1 data (historical calculation) • Rate base items based on Dec 31 ending balances • Only wholesale customers pay the Schedule 9 Rate in AMMO – About 6% of load • Ameren Missouri retail customers – Transmission facilities & costs included in bundled rates set by MoPSC – Pay for other MISO transmission related costs through the FAC • Note that some Transmission Owners’ rate calculations are different – Rates are initially set based on projected data – Annual True-up calculation to reflect actual costs reported in Form 1 8 NEW RATE PROTOCOLS • On May 16, 2013, FERC issued order EL12-35 concerning required modifications to MISO rate protocols. • The order requires MISO and the MISO Transmission Owners to modify the formula rate protocols to • Allow for increased scope of participation by Interested Parties • Allow for increased transparency concerning the implementation of the formula rate, • Define a process for information exchange • Allow for provision of additional information; and well-defined and clearlystructured challenge procedure • Require MISO and the MISO Transmission Owners to make an annual informational filing with FERC • The TOs filed compliance filings on September 13, 2013 • Requested an effective date of January 1, 2014 • The protocols will be applicable for the first subsequent Annual Update and Annual True-Up, which will take place on June 1, 2014 9 NEW RATE PROTOCOLS • On March 20, 2014, FERC issued order ER13-2379 concerning additional required modifications to MISO rate protocols. • The TOs filed compliance filings on May 19, 2014 • The protocols were applicable for the first subsequent Annual Update and Annual True-Up, which took place on June 1, 2014 10 NEW PROTOCOL TIMELINE Action (Historical) Date June 1 Posting of annual update Information exchange period begins. Review period begins. September 1 Deadline for annual meeting November 1 December 1 January 10 January 31 February 28 Deadline for joint meeting on regional cost-shared projects Deadline for Interested Parties to submit information requests Deadline for Transmission Owners to respond to information requests Deadline for Interested Parties to submit Informal Challenges Deadline for Transmission Owners to respond to Informal Challenges Any rate changes agreed to by the Transmission Owner will be included in the Information Filing and will be reflected in the Annual Update for the following Rate Year. March 15 Transmission Owners submit informational filing to the Commission. March 31 Deadline for Interested Parties to file Formal Challenge at the Commission 11 AMMO Revenue Requirement June 2013 vs June 2014 Filings 12 AMMO JUNE 2014 FILING Rate Base Page.Line 2.6 2.12 2.18 Total Gross Plant Total Accum Depreciation TOTAL NET PLANT 2.20 2.21 2.22 2.25 2.26 2.27 2.28 ADJUSTMENTS TO RATE BASE Account No. 282 Account No. 283 Account No. 190 Land Held for Future Use CWC Materials & Supplies Prepayments TOTAL ADJUSTMENTS 2.30 TOTAL RATE BASE Jun-13 776,445,309 269,340,644 507,104,666 Jun-14 843,566,308 282,535,080 561,031,228 Change 67,120,999 13,194,436 53,926,563 Percent 9% 5% 11% -131,790,859 -8,122,036 2,918,080 762,157 3,098,421 5,034,721 847,278 -127,252,239 -151,726,236 -6,995,936 5,296,917 799,480 3,090,433 6,883,099 901,287 -141,750,957 -19,935,377 1,126,101 2,378,837 37,323 -7,988 1,848,378 54,009 -14,498,717 15% -14% 82% 5% 0% 37% 6% 11% 379,852,426 419,280,272 39,427,845 10% 13 AMMO JUNE 2014 FILING Expenses Jun-13 Jun-14 3.1 3.1a 3.2 3.3 3.4 3.5 3.5a 3.7 3.8 O&M Transmission Less LSE Expenses Less Account 565 A&G Less FERC Annual Fees Less EPRI, ect. Plus Trans. Reg. Comm. Exp Transmission Lease Payments TOTAL O&M 48,403,470 7,206,932 22,683,675 6,135,752 0 559,298 9,639 688,410 24,787,367 56,001,557 6,469,229 30,809,160 5,704,062 0 445,447 67,179 674,502 24,723,464 7,598,087 -737,703 8,125,485 -431,691 0 -113,851 57,540 -13,908 -63,903 16% -10% 36% -7% N/A -20% 597% -2% 0% 3.12 TOTAL DEPRECIATION 17,210,309 18,065,642 855,333 5% 3.13 3.16 3.18 3.27 TAXES Payroll Property Other Income Taxes TOTAL TAXES 568,377 7,105,907 103,478 14,594,551 22,372,313 477,114 7,898,117 87,186 16,529,798 24,992,215 -91,263 792,211 -16,291 1,935,246 2,619,902 -16% 11% -16% 13% 12% TOTAL EXPENSES 64,369,990 67,781,322 3,411,332 5% Page.Line Change Percent 14 AMMO JUNE 2014 FILING Capital Structure Capital Structure - 2013 Page.Line 4.27 4.28 4.29 4.30 Long Term Debt Preferred Stock Common Stock Total $ 3,709,271,000 80,759,500 3,973,425,626 7,763,456,126 % 48% 1% 51% 100% Cost Weighted 0.0567 0.0271 0.0424 0.0004 0.1238 0.0634 0.0909 46% 1% 52% 100% Cost Weighted 0.0588 0.0273 0.0424 0.0005 0.1238 0.0649 0.0927 Capital Structure - 2014 Page.Line 4.27 4.28 4.29 4.30 Long Term Debt Preferred Stock Common Stock Total Change in Return $ 3,465,276,000 80,759,500 3,912,960,927 7,458,996,427 % 0.1846% 15 AMMO JUNE 2014 FILING Revenue Requirement Page.Line Jun-13 379,852,426 9.09% 34,518,214 Jun-14 419,280,272 9.27% 38,875,220 Change 39,427,845 0.18% 4,357,006 Percent 10% 2% 13% 2.30 4.30 3.28 TOTAL RATE BASE Rate of Return Return 3.29 Total Expenses TOTAL GROSS REV. REQ. 64,369,990 98,888,204 67,781,322 106,656,542 3,411,332 7,768,338 5% 8% 3.30 3.30a 3.31 Less ATT. GG Adjustment Less ATT. MM Adjustment GROSS REV. REQ. UNDER ATT. O 9,037,581 0 89,850,623 8,879,847 0 97,776,695 -157,734 0 7,926,072 -2% N/A 9% 16 AMMO JUNE 2014 FILING Net Revenue Requirement 1.1 1.6 Gross Revenue Requirement Total Revenue Credits Jun-13 89,850,623 8,417,404 1.7 NET REVENUE REQUIREMENT 81,433,219 Page.Line Jun-14 97,776,695 9,091,089 Change 7,926,072 673,685 Percent 9% 8% 88,685,606 7,252,387 9% 17 AMMO JUNE 2014 FILING Schedule 9 Rate Calculation Page.Line 1.7 1.15 . . Net Revenue Requirement Ameren Missouri Divisor Annual Cost ($/kW/Yr) Network & P-to-P Rate ($/kW/Mo) 2013 81,433,219 6,847,897 11.892 0.991 2014 88,685,606 6,900,307 12.852 1.071 Change 7,252,387 52,410 0.961 0.080 Percent 9% 1% 8% 8% 18 AMMO JUNE 2014 FILING Attachment GG Calculation - Page 1 (1) Line No. 1 Gross Transmission Plant - Total 2 Net Transmission Plant - Total (2) Attachment O Page, Line, Col. (3) (4) Transmission Allocator Attach O, p 2, line 2 col 5 (Note A) 829,297,144 Attach O, p 2, line 14 and 23b col 5 (Note B) 553,300,739 Attach O, p 3, line 8 col 5 24,723,464 O&M EXPENSE 3 Total O&M Allocated to Transmission 4 Annual Allocation Factor for O&M (line 3 divided by line 1 col 3) 2.98% 2.98% GENERAL AND COMMON (G&C) DEPRECIATION EXPENSE 5 Total G&C Depreciation Expense Attach O, p 3, lines 10 & 11, col 5 (Note H) 618,458 6 Annual Allocation Factor for G&C Depreciation Expense (line 5 divided by line 1 col 3) 0.07% 0.07% TAXES OTHER THAN INCOME TAXES 7 Total Other Taxes Attach O, p 3, line 20 col 5 8 Annual Allocation Factor for Other Taxes (line 7 divided by line 1 col 3) 9 Annual Allocation Factor for Expense Sum of line 4, 6, and 8 8,462,417 1.02% 1.02% 4.08% INCOME TAXES 10 Total Income Taxes 11 Annual Allocation Factor for Income Taxes Attach O, p 3, line 27 col 5 (line 10 divided by line 2 col 3) 16,529,798 2.99% 2.99% RETURN 12 Return on Rate Base 13 Annual Allocation Factor for Return on Rate Base 14 Annual Allocation Factor for Return Attach O, p 3, line 28 col 5 (line 12 divided by line 2 col 3) Sum of line 11 and 13 38,875,220 7.03% 7.03% 10.01% 19 AMMO JUNE 2014 FILING Attachment GG Calculation - Page 2 (1) Line No. (2) (3) Big River-Rockwood 138 kV Reconductor Sioux-Huster-1 and -3 138 kV Gray Summit : 2nd 345/138 kV Transformer (1) Line No. 1a 1b 1c (5) MTEP Project Project Gross Annual Allocation Annual Expense Number Plant Factor for Expense Charge Project Name (Note C) 1a 1b 1c (4) Project Name Big River-Rockwood 138 kV Reconductor Sioux-Huster-1 and -3 138 kV Gray Summit : 2nd 345/138 kV Transformer 152 1240 2061 $ $ $ (Page 1 line 9) 19,927,624 15,481,687 22,610,367 (Col. 3 * Col. 4) 4.08% 4.08% 4.08% (9) (10) (11) MTEP Project Number Project Depreciation Expense Annual Revenue Requirement True-Up Adjustment (Note E) (Sum Col. 5, 8 & 9) (Note F) 152 1240 2061 $293,785 $284,683 $407,350 $3,031,514.04 $ $2,396,017.40 $ $3,452,315.33 $ 2 Annual Totals $8,879,847 3 Rev. Req. Adj For Attachment O $8,879,847 (7) (8) Project Net Plant Annual Allocation Factor for Return (Page 1 line 14) Annual Return Charge (Note D) $812,302.53 $ $631,074.43 $ $921,658.23 $ (2) (6) 19,228,224 14,782,578 21,204,346 (Col. 6 * Col. 7) 10.01% $1,925,426.82 10.01% $1,480,260.12 10.01% $2,123,306.73 (12) Network Upgrade Charge Sum Col. 10 & 11 (Note G) - 3,031,514 2,396,017 3,452,315 $0 $8,879,847 20 AMEREN MISSOURI Significant Line Expansion Projects Not in Service Project Name Total Cost Cape Girardeau Electric Reliability Project (Northwest Cape Area 345/161 kV Substation) $50 M ISD MTEP 2016 MTEP11 MISO ID# 2306 MTEP Description Install 560 MVA, 345/161 kV Transformer. Provide 345 kV supply from 11 mile 345 kV line extension from Lutesville Substation 21 MISO WEB LINKS • Transmission Pricing - Attachments O, GG & MM Information • https://www.misoenergy.org/MarketsOperations/TransmissionSettlement s/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 22 QUESTIONS?