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Western Energy Imbalance Market (WEIM) foundation

The foundational documents, including general information on the WEIM, initiatives, policy development, proposals, and tariff development, that serve as the basis for the WEIM market’s creation and operation.

FERC filings and orders

Title Topic Posted
Dec 6, 2016 Department of Market Monitoring - EIM Structural Market Power Informational Report (ER14-1386) Feb 28, 2014 Tariff amendment - Energy Imbalance Market (ER14-1386-000) 12/06/2016, 6:27 PM
Jul 8, 2016 Department of Market Monitoring - EIM Structural Market Power Informational Report (ER14-1386) Feb 28, 2014 Tariff amendment - Energy Imbalance Market (ER14-1386-000) 07/08/2016, 1:16 PM
Jun 2, 2016 Department of Market Monitoring Report on Performance and Issues in EIM - Mar 2016 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 06/03/2016, 10:25 AM
May 10, 2016 March 2016 EIM Price Waiver Report (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 05/11/2016, 12:10 PM
Apr 6, 2016 Department of Market Monitoring Report on Performance and Issues in EIM - Feb 2016 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 04/06/2016, 12:13 PM
Mar 28, 2016 February 2016 EIM Price Waiver Report (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 03/29/2016, 8:15 AM
Mar 22, 2016 Department of Market Monitoring Report on Performance and Issues in EIM - January 2016 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 03/23/2016, 8:33 AM
Mar 7, 2016 January 2016 EIM Price Waiver Report (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 03/08/2016, 9:39 AM
Feb 29, 2016 Department of Market Monitoring Report on Performance and Issues in EIM - December 2015 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 03/01/2016, 8:40 AM
Feb 17, 2016 December 2015 EIM Price Waiver Report (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 02/17/2016, 1:12 PM
Jan 28, 2016 Department of Market Monitoring Report on Performance and Issues in EIM for Nov 2015 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 01/29/2016, 9:24 AM
Jan 21, 2016 November 2015 EIM Price Waiver Report (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 01/22/2016, 8:05 AM
Jan 6, 2016 Energy Imbalance Market - Structural Market Power Informational Report (ER14-1386) Feb 28, 2014 Tariff amendment - Energy Imbalance Market (ER14-1386-000) 01/11/2016, 9:49 AM
Dec 28, 2015 Department of Market Monitoring Report on Performance and Issues in EIM for Oct 2015 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 12/30/2015, 1:22 PM
Dec 1, 2015 Department of Market Monitoring Report on Performance and Issues in EIM from Aug - Sep 2015 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 12/02/2015, 10:53 AM
Nov 13, 2015 Aug 2015 through Sep 2015 EIM Price Waiver Report (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 11/17/2015, 3:11 PM
Nov 2, 2015 Informational Report on Status of Third Party Participation in the Energy Imbalance Market (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 11/04/2015, 10:00 AM
Sep 25, 2015 Department of Market Monitoring Report on Performance and Issues in EIM in July 2015 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 09/28/2015, 9:16 AM
Sep 22, 2015 July 2015 EIM Price Waiver Report (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 09/23/2015, 2:49 PM
Sep 11, 2015 Request for Leave to File Informational Report Out-of-Time and Informational Report - EIM Transfer Constraints (ER14-2484) Jul 23, 2014 Tariff amendment - Energy Imbalance Market enhancements (ER14-2484-000) 09/14/2015, 9:02 AM
Aug 21, 2015 DMM Report on Performance and Issues in EIM for June 2015 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 08/25/2015, 7:58 AM
Jul 29, 2015 Order Dismissing Request for Rehearing - EIM Limited Waiver - Economic Pricing (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 07/29/2015, 8:52 PM
Jul 28, 2015 DMM Report on Performance and Issues in EIM for May 2015 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 07/29/2015, 8:13 AM
Jul 14, 2015 May 2015 EIM Price Waiver Report (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 07/15/2015, 9:34 AM
Jun 12, 2015 DMM Report on Performance and Issues in EIM for April 2015 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 06/15/2015, 8:24 AM
Jun 3, 2015 April 2015 Energy Imbalance Market Price Waiver Report (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 06/03/2015, 4:20 PM
May 29, 2015 Informational Report - Structural Market Power - Energy Imbalance Market (ER14-1386) Feb 28, 2014 Tariff amendment - Energy Imbalance Market (ER14-1386-000) 06/02/2015, 9:16 AM
May 7, 2015 DMM Report on Performance and Issues in EIM for March 2015 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 05/07/2015, 5:15 PM
Apr 24, 2015 March 2015 Energy Imbalance Market Price Waiver Report (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 04/24/2015, 4:24 PM
Apr 2, 2015 DMM Assessment on Performance of EIM - Feb 13 - Mar 16, 2015 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 04/03/2015, 2:37 PM
Mar 26, 2015 Energy Imbalance Market Informational Report - Feb 13 - Mar 16, 2015 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 03/27/2015, 2:00 PM
Mar 4, 2015 DMM Assessment - EIM Informational Report - Jan - Feb 2015 (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 03/05/2015, 12:54 PM
Feb 19, 2015 EIM Informational Report (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 02/19/2015, 4:05 PM
Feb 12, 2015 EIM Informational Report Delay (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 02/13/2015, 10:40 AM
Jan 23, 2015 DMM Assessment - December 2014 EIM Performance (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 01/23/2015, 11:57 AM
Jan 15, 2015 Energy Imbalance Market Informational Filing - December 2014 Performance (ER15-402) Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402) 01/15/2015, 2:16 PM
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Key documents