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List of Orders
Docket No. Date Issued Company Title
ER12-1265-000
ER12-1265-001 &
ER09-1049-005
PDF
07/19/12 Midwest Independent Transmission System Operator, Inc. Order On Rehearing and Compliance
ER12-1266-000,
ER12-1266-001 &
ER11-4337-001
PDF
07/19/12 Midwest Independent Transmission System Operator, Inc. Order On Rehearing and Compliance
EL12-35-000 PDF 05/17/12 Midwest Independent Transmission System Operator, Inc., ALLETE, Inc., Ameren Illinois Company, et al. Order Initiating Investigation of Formula Rate Protocols and Establishing Paper Hearing Procedures
ER12-480-000 PDF 04/19/12 Midwest Independent Transmission System Operator, Inc. and Transmission Owners of the Midwest Independent Transmission System Operator, Inc. . Order Conditionally Accepting Tariff Revisions And Requiring Compliance Filing
ER11-3972-001, ER11-3973-001, ER11-3953-001, ER11-3970-001, ER11-3949-002, ER11-3958-001 and ER11-3967-001 PDF 03/15/12 PJM Interconnection, L.L.C., California Independent System Operator Corporation, ISO New England Inc. and New England Power Pool, Midwest Independent Transmission System Operator, Inc., New York Independent System Operator, Inc., and Southwest Power Pool, Inc. Order Denying Rehearing
ER11-3970-002 PDF 03/15/12 Midwest Independent Transmission System Operator, Inc Order On Compliance Filing
EL07-86-018 , EL07-88-018, et al. PDF 01/19/12 Ameren Services Company Northern Indiana Public Service Company v. Midwest Independent Transmission System Operator, Inc. et al. Order Dismissing Notice of Non-Compliance and Denying Request For Rehearing
ER09-1049-000, ER09-1049-002 and ER09-1049-003 PDF 12/15/11 Midwest Independent Transmission System Operator, Inc. Order On Compliance Filing
EL11-4337-000 PDF 12/15/11 Midwest Independent Transmission System Operator, Inc. Order On Compliance Filing
ER08-394-021 and ER08-394-022 PDF 12/15/11 Midwest Independent Transmission System Operator, Inc. Order On Rehearing and Compliance
ER10-1791-001, ER10-1791-002 PDF 10/21/11 Midwest Independent Transmission System Operator, Inc. Order Denying in Part and Granting in Part Rehearing, Conditionally Accepting Compliance Filing, and Directing Further Compliance Filings
ER11-3970-000 PDF 09/15/11 Midwest Independent Transmission System Operator, Inc. Order on Compliance Filing
ER10-45-000, EL10-46-000, et al. PDF 06/16/11 Midwest Independent Transmission System Operator, Inc. v. PJM Interconnection, L.L.C. Order Accepting Contested Settlement
ER10-1791-000 PDF 12/16/10 Midwest Independent Transmission System Operator, Inc. Order Conditionally  Accepting Tariff Revisions
ER09-1049-000 PDF 10/21/10 Midwest Independent Transmission System Operator, Inc. Order Accepting Compliance Filing
ER10-1562-000 and ER10-2254-000 PDF 10/21/10 Duke Energy Ohio, Inc. and Duke Energy Kentucky, Inc. Order Addressing RTO Realignment Request
ER10-73-001 and EL10-9-001 et al. PDF 5/20/10 Midwest Independent Transmission System Operator, Inc. and Dairyland Power Cooperative Order on Rehearing and Compliance Filing
ER09-1581-001 and ER09-1581-003 PDF 5/20/10 Midwest Independent Transmission System Operator, Inc. Order on Rehearing and Compliance Filing
EL10-73-000, EL10-74-000, and EL10-9-000 PDF 12/15/09 Midwest Independent Transmission System Operator, Inc., and Dairyland Power Cooperative Order on tariff revisions and complaint
ER96-719-025, ER97-2801-026, ER99-2156-018 PDF 07/16/09 MidAmerican Energy Company, PacifiCorp, and Cordova Energy Company LLC Order accepting tariff amendments and updated market power analysis
ER09-1252-000 PDF 07/16/09 Midwest Independent Transmission System Operator, Inc. and MidAmerican Energy Company Order conditionally accepting tariff revisions associated with MidAmerican's integration into Midwest ISO.
ER09-1246-000, ER09-1248-000, ER09-1253-000 PDF 07/16/09 Midwest Independent Transmission System Operator, Inc. and MidAmerican Energy Company Order conditionally accepts various filings associated with financial transmission rights, local transmission planning, and grandfathered agreements
ER08-394-007 and ER08-394-009 PDF 04/16/08 Midwest Independent Transmission System Operator, Inc. Order on rehearing and compliance
ER08-394-006 and ER08-394-008 PDF 02/19/08 Midwest Independent Transmission System Operator, Inc. Order on rehearing and compliance
EL08-47-000 PDF 02/19/08 PJM Interconnection, L.L.C. Initial order on market power mitigation provisions and establishing procedures
ER08-394-004 and ER08-394-005 PDF 02/19/08 Midwest Independent Transmission System Operator, Inc. Order on Rehearing and Compliance
ER08-637-006 PDF 02/19/08 Midwest Independent Transmission System Operator, Inc. and Transmission Owners of the Midwest Independent Transmission System Operator, Inc. Order Conditionally Accepting Compliance Filing and Requiring a Further Compliance Filing
ER08-637-000, ER08-637-001, ER08-637-004 and ER08-637-005 PDF 02/19/08 Midwest Independent Transmission System Operator, Inc. and Transmission Owners of the Midwest Independent Transmission System Operator, Inc. Order on Market Service Proposal
EL07-101-001 PDF 12/19/08 American Electric Power Service Corporation v. Midwest Independent Transmission System Operator, Inc. and PJM Interconnection, L.L.C. Order on Rehearing
ER08-1055-000, ER08-1055-001 and ER08-1042-000 et al. PDF 12/18/08 Midwest Independent Transmission System Operator, Inc. Order Conditionally Accepting Amended Contingency Reserve Sharing Group Agreement and Conditionally Accepting the Notice of Cancellation of 2006 Contingency Reserve Sharing Group Agreement
ER07-1372-009, et al. PDF 12/18/08 Midwest Independent Transmission System Operator, Inc. Order Denying Rehearing and Conditionally Accepting in Part and Rejecting in Part Compliance Filing
ER09-15-000 and ER09-97-000 PDF 12/18/08 Midwest Independent Transmission System Operator, Inc. Order Conditionally Accepting Revised Tariff
ER08-1256-000 and ER08-1256-001 PDF 12/18/08 Midwest Independent Transmission System Operator, Inc. Order Conditionally Accepting Tariff Revisions and Requiring Further Compliance Filings
R07-1372-007 PDF 12/18/08 Midwest Independent Transmission System Operator, Inc. Order on Compliance
ER07-1372-002, et al. PDF 12/18/08 Midwest Independent Transmission System Operator, Inc. Order Authorizing Midwest ISO Ancillary Services Market Start-up
ER08-394-002 PDF 10/20/08 Midwest Independent Transmission System Operator, Inc. Order Conditionally accepting complance filing
ER08-394-001 PDF 10/20/08 Midwest Independent Transmission System Operator, Inc. Order granting in part and and denying in part rehearing
ER08-394-003 PDF 10/20/08 Midwest Independent Transmission System Operator, Inc. Order conditionally accepting financial settlement provisions
ER07-1372-003 PDF 06/23/08 Midwest Independent Transmission System Operator, Inc. Order granting in part and denying in part rehearing and granting clarification
ER07-1372-004 PDF 06/23/08 Midwest Independent Transmission System Operator, Inc. Order on conditionally accepting compliance filing
ER08-404-000 PDF 4/22/08 Midwest Independent Transmission System Operator, Inc. Order conditionally accepting emergency demand response filing
ER08-394-000 PDF 3/26/08 Midwest Independent Transmission System Operator, Inc. Order on resource adequacy proposal
ER07-1372-000 and ER07-1372-001 PDF 2/26/08 Midwest Independent Transmission System Operator, Inc. Order on ancillary services filing
EL07-101, et al. PDF 1/31/08 American Electric Power Service Corporation v. Midwest Independent Transmission System Operator, Inc. and PJM Interconnection, L.L.C. Order on compliance filing and denying complaint
ER07-532-000 PDF 11/15/07 Midwest Independent Transmission System Operator, Inc. Order on post-transition treatment of grandfathered agreements in Midwest ISO energy markets
ER07-478-001 and ER07-478-003 PDF 10/19/07 Midwest Independent Transmission System Operator, Inc. Order accepting in part and rejecting part compliance filings
ER07-478-002 PDF 10/19/07 Midwest Independent Transmission System Operator, Inc. Order on rehearing of Long Term Transmission Rights Order
ER06-18-007,
ER06-18-008 PDF
07/23/07 Midwest Independent Transmission System Operator, Inc. Order on rehearing regarding cost sharing for new transmission network upgrades for Regionally Beneficial Projects (economic projects)
ER06-1099-002 PDF 06/27/07 Midwest Independent Transmission System Operator, Inc. Order denying rehearing and providing clarification regarding Adequate Ramp Capability
ER07-550-000
ER07-550-001 PDF
06/22/07 Midwest Independent Transmission System Operator, Inc. Guidance Order requiring market power analysis, metrics, NERC certification and changes to Midwest ISO - Balancing Authority Agreement
ER07-529-000
ER07-529-001 PDF
05/25/07 Midwest Independent Transmission System Operator, Inc. Order on filing to comply w Market  Monitoring Policy (including Order No. 670)
ER06-18-004, ER06-18-005 PDF 03/15/07 Midwest Independent Transmission System Operator, Inc. Order on rehearing of 11/29/06 order regarding regional cost sharing for new transmission network upgrades 
ER06-18-006 PDF 03/15/07 Midwest Independent Transmission System Operator, Inc. Order conditionally accepting cost sharing for new transmission network upgrades for Regionally Beneficial Projects (economic projects)
ER07-478-000 PDF 05/17/07 Midwest Independent Transmission System Operator, Inc. Order accepting Long-Term transmission rights proposal
ER06-1552-001PDF 05/18/07 Midwest Independent Transmission System Operator, Inc. Order denying rehearing regarding Price Volatility Make Whole Payments
ER06-1552-002PDF 05/18/07 Midwest Independent Transmission System Operator, Inc. Order conditionally accepting compliance filing regarding Price Volatility Make Whole Payments
EL06-97-000 PDF 02/08/07 Wisconsin Public Service Corp., Upper Peninsula Power Co., WPS Companies Energy Services, Inc., and WPS Companies Power Development, L.L.C. vs. Midwest Independent Transmission System Operator, Inc. and PJM Interconnection, L.L.C. Order Dismissing Complaint and Terminating Reporting Requirements
ER07-235-000 PDF 01/18/07 Midwest Independent Transmission System Operator, Inc. Order accepting proposed designation of constrained area mitigation
ER06-1099-000
ER06-1099-001 PDF
01/05/07 Midwest Independent Transmission System Operator, Inc. Adequate Ramp Capability
ER06-1552-000 PDF 12/22/06 Midwest Independent Transmission System Operator, Inc. Order conditionally accepting Price Volatility Make Whole Payments
ER06-18-000, et al. PDF 11/29/06 Midwest Independent Transmission System Operator, Inc. Order accepting Midwest ISO’s cost allocation methodology
ER06-1420-000 PDF 10/24/06 Midwest Independent Transmission System Operator, Inc. Order conditionally accepting Contingency Reserve Sharing Group
ER06-321-003
ER06-321-004 PDF
10/12/06 Midwest Independent Transmission System Operator, Inc. Order Denying Rehearing regarding the Independent Market Monitor – Balancing Authority Agreement
ER06-731-001
ER06-731-002 PDF
07/20/06 Midwest Independent Transmission System Operator, Inc. Order granting rehearing and rejecting compliance filing regarding broad constrained area mitigation
EC06-4-002 and ER06-20-003 PDF 07/07/06 E. ON U.S. LLC, et al. Order on Rehearing
EL06-20-001 and EL06-49-001 PDF 05/16/06 Wisconsin Public Service Corp., Upper Peninsula Power Co., /WPS Energy Services, Inc., and WPS Power Development, L.L.C. vs. Midwest Independent Transmission System Operator, Inc. and PJM Interconnection, L.L.C. Order Granting Clarification and Dismissing Rehearing Request
ER06-321-000, ER06-321-001, ER06-321-002 PDF 05/12/06 Midwest Independent Transmission System Operator, Inc. Order conditionally accepting Independent Market Monitor – Balancing Authority Agreement
ER06-731-000 PDF 05/09/06 Midwest Independent Transmission System Operator, Inc. Order Rejecting Extension of Broad Constrained Area Mitigation
EC06-4-000, EC06-4-001, ER06-20-000 and ER06-20-001 PDF 03/17/06 Louisville Gas and Electric Company, et al.
LG&E Energy LLC
Order Conditionally Approving Request to Withdraw from the Midwest ISO
ER06-18-000 PDF 02/03/06 Midwest Independent Transmission System Operator, Inc. Order conditionally accepting regional cost sharing for new transmission network upgrades and establishing technical conference
EL06-20-000 and EL06-49-000 PDF 03/16/06 Wisconsin Public Service Corp., Upper Peninsula Power Co., WPS Energy Services, Inc., and WPS Power Development, L.L.C. vs. Midwest Independent Transmission System Operator, Inc. and PJM Interconnection, L.L.C. Order Dismissing Complaints, Denying Protest, and Accepting Informational Filing
ER05-6-023, ER05-6-028, ER05-6-030, EL04-135-025, EL04-135-030, EL04-135-032, EL02-111-043, EL02-111-048, EL02-111-050, EL03-212-039, EL03-212-044, EL03-212-046 PDF 11/21/05 Midwest Independent Transmission System Operator, Inc., PJM Interconnection, L.L.C. and Ameren Services Company, et al. Order Conditionally Accepting Compliance Filing of the Proposal For Allocating Between the Customers of Midwest ISO and PJM the Cost of Cross-Border Transmission Facilities
ER04-458-002, ER04-458-003 PDF 10/28/04 Midwest Independent Transmission System Operator, Inc. Order on Rehearing, Clarification and Compliance
ER04-458-000, ER04-458-001 PDF 07/08/04 Midwest Independent Transmission System Operator, Inc. Compliance Filing to Order No. 2003 – Large Generator Interconnection Procedures and Agreement
ER04-691-001, ER04-691-006, ER04-691-009, ER04-691-010, ER04-691-019, ER04-106-003, ER04-106-004, ER04-106-005, EL04-104-001, EL04-104-005, EL04-104-008, EL04-104-009, EL04-104-018 PDF 04/15/05 Midwest Independent Transmission System Operator, Inc.

Public Utilities With Grandfathered Agreements in Midwest ISO Region

Order on Rehearings and Compliance Filings Concerning the Treatment of GFAs in Midwest ISO Energy Markets
RT01-87-010 PDF 03/29/05 Midwest Independent Transmission System Operator, Inc. Order Approving Settlement Agreement Between Midwest ISO and Midwest ISO TOs Concerning Allocation of Section 205 Filing Rights
ER04-375-000 PDF 03/18/04 Midwest Independent Transmission System Operator, Inc. and PJM Interconnection, L.L.C. Order Modifying and Conditionally Accepting Joint Operating Agreement
ER04-375-017 and ER04-375-018 PDF 03/03/05 Midwest Independent Transmission System Operator, Inc. and PJM Interconnection, L.L.C. Order Modifying and Accepting Tariff Filing to Coordinate Energy Markets
ER05-6-004, EL04-135-006, EL02-111-023, EL03-212-020 PDF 11/30/04 Midwest Independent Transmission System Operator, Inc., PJM Interconnection, L.L.C. and Ameren Services Company, et al. Order Granting Clarification that AEP, ComEd, and Dayton May Recover Lost Revenues Associated With Elimination of Intra-RTO Pancaking through SECA Transition Methodology
ER05-6-000, EL04-135-000, EL02-111-010, EL02-111-011, EL02-111-014, EL02-111-015, EL02-111-016, EL02-111-019, EL03-212-005, EL03-212-006, EL03-212-007, EL03-212-009, EL03-212-011, EL03-212-013, EL03-212-014, EL03-212-016 PDF 11/18/04 Midwest Independent Transmission System Operator, Inc., PJM Interconnection, L.L.C. and Ameren Services Company, et al. Order on Transmission Rate Proposals for a Long-Term Transmission Pricing Structure Effective December 1, 2004
EL04-135-000 PDF 09/27/04 Midwest Independent Transmission System Operator, Inc., and PJM Interconnection, L.L.C., Order Instituting Section 206 Proceeding
ER04-691-000 and EL04-104-000 PDF

09/16/04 Midwest Independent Transmission System Operator, Inc. Order Addressing Treatment of Grandfathered Agreements in the Midwest ISO Energy Markets, and Establishing Hearing and Settlement Judge Procedures
ER04-691-000 and EL04-104-000 PDF 08/06/04 Midwest Independent Transmission System Operator, Inc. Order Conditionally Accepting Tariff Sheets To Start Energy Markets And Establishing Settlement Judge Procedures
ER04-375-001, ER04-375-003, ER04-375-005, and ER04-375-006 PDF 08/05/04 Midwest Independent Transmission System Operator, Inc. and PJM Interconnection, L.L.C. Order on Rehearing, Clarification, and Compliance of the Joint Operating Agreement between Midwest ISO and PJM
ER04-691-000 and EL04-104-000 PDF 05/26/04 Midwest Independent Transmission System Operator, Inc. and Public Utilities With Grandfathered Agreements in the Midwest ISO Region Order Accepting And Suspending Tariff Sheets, Rejecting Tariff Sheets, Setting Timelines And Establishing Procedures For Certain Grandfathered Contracts
ER04-571-000 PDF 03/25/04 Midwest Independent Transmission System Operation, Inc. and Ameren Services Company Order Accepting Service Agreements for Service to AmerenUE’s Retail Load
EL02-111-004, EL02-111-005, EL02-111-006, EL02-111-007, EL02-111-008, and EL03-212-002 et al. PDF 11/17/03 Midwest Independent Transmission System Operator, Inc., PJM Interconnection, L.L.C., And all Transmission Owners, Ameren Services Company, American Electric Power Service Corporation, Dayton Power and Light Company, Exelon Corporation, FirstEnergy Corporation, Illinois Power Company, and Northern Indiana Public Service Company Order Denying and Granting in Part Requests for Rehearing of the July 23 Order in Docket No. EL02-111 and Makes Findings for a New Rate Design Effective April 1, 2004
EL03-212-000 and EL03-212-001 PDF 11/17/03 Ameren Services Company, American Electric Power Service Corporation, Dayton Power and Light Company, Exelon Corporation, FirstEnergy Corporation, Illinois Power Company, Northern Indiana Public Service Company Order Finding Existing Rate Design for T&O Service of Alliance Companies Unjust and Unreasonable and Requiring Compliance Filings to Implement New Rate Design Effective April 1, 2004
ER03-1118-000 PDF 10/29/03 Midwest Independent Transmission System Order Granting Motion To Withdraw Filing And Providing Guidance
ER03-323-001 PDF 10/29/03 Midwest Independent Transmission System Order Dismissing Requests For Rehearing Addressing Technical Conference And Providing Guidance
ER03-323-002 PDF 10/29/03 Midwest Independent Transmission System Order Dismissing Compliance Filing And Providing Guidance
ER03-1277-000 PDF 10/28/03 Midwest Independent Transmission System Order Conditionally Accepting Revisions to Midwest Independent Transmission System Operator, Inc.’s Tariff
EL02-111-000 and EL03-212-000 PDF 7/23/03 Midwest Independent Transmission System Operator, Inc., PJM Interconnection, L.L.C., And all Transmission Owners, Ameren Services Company, Union Electric Company, American Electric Power Service Corporation, Dayton Power and Light Company, Exelon Corporation, FirstEnergy Corporation, Illinois Power Company, and Northern Indiana Public Service Company Order on Initial Decision Finding RTORs Unjust and Unreasonable and Initiating Section 206 Investigation
EL02-111-000, EL03-212-000 PDF 7/23/03 Midwest Independent Transmission System Operator, Inc., PJM Interconnection, L.L.C., And all Transmission Owners, Ameren Services Company, Union Electric Company, American Electric Power Service Corporation, Dayton Power and Light Company, Exelon Corporation, FirstEnergy Corporation, Illinois Power Company, and Northern Indiana Public Service Company Order on Initial Decision
RM00-7-009 PDF 07/10/03 Midwest Independent Transmission System Operator, Inc. Order Denying Rehearing
EL02-111-001 et al. PDF 06/04/03 Midwest Independent Transmission System Operator, Inc., PJM Interconnection, L.L.C., and All Transmission Owners Order on Rehearing and Clarification regarding Alliance Companies’ RTO choices and Section 206 Investigation
ER02-2233-001 and EC03-14-000 PDF 12/19/02 Ameren Services Company,
FirstEnergy Corp.,
Northern Indiana Public Service Company,
National Grid USA, and
Midwest Independent Transmission System Operator, Inc.
Order Conditionally Accepting Agreements for Filing, Suspending Agreements, Subject to Refund, and Ordering Compliance Filing
ER03-86-000 PDF 12/19/02 Midwest Independent Transmission System Operator, Inc. Order Accepting, as Modified, Revisions to Open Access Transmission Tariff
ER02-1420-003, ER02-1420-004, ER02-1420-006 PDF 12/19/02 Midwest Independent Transmission System Operator, Inc. Order Conditionally Accepting And Rejecting In Part Rates For Filing, Establishing Hearing And Settlement Judge Procedures, And Directing Further Compliance Filings
EL02-65-000 through EL02-65-008, RT01-88-000, RT01-88-014, RT01-88-016, RT01-88-018 through RT01-88-021, and EL02-111-000, et al. PDF 07/31/02 Alliance Companies, Ameren Services Company, American Electric Power Service Corporation, Dayton Power and Light Company, Exelon Corporation, FirstEnergy Corporation, Illinois Power Company, Northern Indiana Public Service Company, National Grid, Consumers Energy Company, Michigan Electric Transmission Company, Virginia Electric and Power Company
Midwest Independent Transmission System Operator, Inc., PJM Interconnection, L.L.C., and All Transmission Owners
Accepts Alliance Companies RTO Choices and Institutes Section 206 Investigation of Through and Out Rates
RT01-87-000 [eLibrary] 12/20/01 Midwest Independent Transmission System Operator, Inc. Order Granting RTO Status and Accepting Supplemental Filings


CONTACT
Temujin Roach
Telephone: 202-502-8338
Email: temujin.roach@ferc.gov

Jeffrey Hitchings
Telephone: 202-502-6042
Email: jeffrey.hitchings@ferc.gov
 
RTO/ISO
RTO/ISO Regions Conferences Staff Report
 




Updated: July 19, 2012