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Open Access Transmission Tariff

The main document below (Open Access Transmission Tariff) covers our entire service territory:

Open Access Transmission Tariff - as filed April 15, 2010 (33.6 MB)

Open Access Transmission Tariff  (Baseline)- as filed July 30, 2010

WestConnect Regional Tariff - as filed June 24, 2009 (115 KB)

WestConnect Regional Tariff, eTariff Baseline, - as filed July 16, 2010 (62 KB)

All files can be viewed using Acrobat Reader. Note the large file sizes may have long download times.

Date Tariff Filings File Size
2010
July SPS Concurrence PSCO OATT Baseline Filing 188 KB
July NSPWI Concurrence PSCO OATT Baseline Filing 188 KB
July NSPMN Concurrence PSCO OATT Baseline Filing 188 KB
July PSCO OATT Baseline Filing 12 MB
July Attachment GG 2009 True-Up Notice 40 KB
July PSCO WestConnect Baseline Filing 202 KB
July PSCO Rates Effective June 1, 2010 (Revision No.1) 1.88 MB
June SPS 2009 True-Up - Disclosure of Material Accounting Changes 70 KB
June SPS 2009 Transmission Formula Rate True-Up Adjustment XLS, PDF 2.3 MB/885 KB
June SPS Variance Analysis for 2009 True-Up XLS, PDF 387 KB/16 KB
June Supporting Documentation for 2009 True-up Rates 1 MB
June NSP MISO Attachment O 2009 Actuals with Supporting Workpapers 624 KB
May PSCo Rates Effective June 1, 2010 800 KB
April E I and AA-EE FERC Filing 270 KB
March Attachment O - PSCo filing under March 2010 1.75 MB
March Revised NSP Transmission Service Rate Effective January 1, 2010 to December 31, 2010 (Attachment O and Attachment GG)

1 MB

March Revised NSP MISO Attachment O 2008 Actuals with Supporting Workpapers Final 744 KB
2009
December Updated NSP Transmission Service Rate Effective January 1, 2010 to December 31, 2010 (Attachment O and Attachment GG) 1 MB
December NSP MISO Attachment O 2008 Actuals with Supporting Workpapers Final 610 KB
December Notice of SPS Transmission Formula Rate Annual Update FERC Informational Filing 1.4 MB
November SPS Responses to October 14, 2009 Transmission Customer Meeting Questions - Variance Analysis - XLS 379 KB
November SPS Responses to October 14, 2009 Transmission Customer Meeting Questions - Variance Analysis - PDF 128 KB
November SPS Responses to October 14, 2009 Transmission Customer Meeting Questions - Responses 207 KB
November SPS Responses to October 14, 2009 Transmission Customer Meeting Questions - Supplemental Response 18 KB
October SPS Transmission 2010 Formula Template - PDF 222 KB
October SPS Transmission 2010 Formula Template - XLS 2.2 MB
October SPS Transmission 2010 Formula Workpapers 1.2 MB
October SPS Transmission 2010 Material Changes 36 KB
October SPS Transmission 2010 Variance Analysis 2009 vs. 2010 19 KB
October SPS Transmission 2010 Customer Meeting Notice 26 KB
September Att O - SPS Settlement Filing 6 MB
August PSCo DNR FERC Filing 1.6 MB
July PSCo Attachment R-Compliance filing 1.6 MB
July SPS Responses to June 25, 2009 Transmission Customer Meeting Questions PDF, XLS 24 KB, 23 KB
July Order 890 - Attachment R-SPS Filing 8.9 MB
June WestConnect Tariff Filing 11.1 MB
June SPS Transmission Service Rate to be Effective Beginning July 1, 2009 pursuant to Docket ER08-313  PDF, XLS 87 KB, 2.2 MB
June Supporting Documents for Rates effective July 1, 2009 1.1 MB
June SPS 2008 Transmission Formula Rate True-up Adjustment PDF, XLS 28 KB
June SPS Variance Analysis for 2008 True-up 87 KB
June SPS Variance Analysis 2009 vs. 2008 87 KB
June SPS 2008 Disclosure of Material Accounting Changes 133 KB
June SPS Transmission Rate Customer Meeting Notice 28 KB
May Amended PSCo BASOT Filling 5.4 MB
May SPS Transmission Service Rate to be Effective Beginning July 1, 2009 pursuant to Docket ER08-313 PDF, XLS 20 KB, 2.2 MB
May WestConnect Errata FERC Filing 9.4 MB
May PSCo Transmission and ancillary rates 1.5 MB
April PSCo BASCOT Filing 8.3 MB
March Reserve Sharing Service Agreement 158 KB
February Form of Reserve Sharing Service Agreement Filing 545 KB
February Order 890A Sheet 18 Filing 02/18/2009 565 KB
February Xcel Energy Loss Filing 2 MB
2008
December Westconnect Regional Tariff - Volume 7 5.7 MB
December Xcel Energy Order 890-A Filing 1.7 MB
October PSCo Network Service Billing Filing 1 MB
October Xcel Energy Order 890 Revision Vol 1 2.2 MB
September Xcel Energy Order 890-B Errata 100 KB
September Xcel Energy Order 890-B Section 2-2 200 KB
September Xcel Energy Order 890-B Filing 320 KB
September NSP Transmission Service Rate Effective January 1, 2009 to December 31, 2009 538 KB
August Midwest ISO Transmission Owners Request for Waiver/Suspension OATT 1 MB
June Xcel Energy Order 890 Compliance Filing 940 K
June SPS Transmission Service Rate To Be Effective Beginning July 6, 2008 Pursuant to Docket ER08-313 1.43 MB
June PSCO Transmission and ancillary rates 368 KB
May Xcel Energy Order 890 Compliance Filing 7.0 MB
March Xcel Energy Order 890-A Filing 2.8 MB
2007
December Xcel Energy Order 890 Filing 2.5 MB
December SPS Attachment O Filing 20.5 MB
November Revised PSCO Attachment O Filing 2.0 MB
September Xcel Order 890 Att C Filing 393 KB
September Errata Xcel Order 890 Att C Filing 135 KB
July Xcel Energy Order 890 Filing 180 KB
June PSCO Transmission and ancillary rates 728 KB
April Xcel OATT Revised TLR Filing 180 KB
April Errata Xcel OATT Revised TLR Fling 307 KB
March PSCO Attachment O Filing 237 KB
February Revised Schedule 4A Compliance Filing 435 KB
February First Revised Attachment O Filing 734 KB
2006
November Revised Schedule 4A Order 676 Filing 386 KB
August Schedule 4A order 676 Filing 1 MB
June PSCO Transmission and ancillary rates 2.6 MB
February FERC Settlement 6.6 MB
January Order No. 661 and 661-A Compliance Filing 2.3 MB
2005
November Compliance Filing-Transm. Loading Relief Proc. 18.1 MB
August Order No. 2003-C Compliance Filing 1.6 MB
August Order No. 2006 Compliance Filing 5.8 MB
August Order No. 2003-B Compliance Filing 7 MB
March Sect. 205 GFA pass-through Filing 4.4 MB
February OATT Update-remove Cheyenne Light Fuel and Power 13 MB
2004
November LGIP/LGIA Compliance Filing for PSCO 1 MB


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