Public Service Company of Colorado

Archive  OFO Lifted 110909  Over Delivery OFO starts November 6 2009  Winter-Weather Advisory  OFO Ends as Schedule - Caution Advised  Over-Delivery OFO EXTENDED - Oct 15th through 19th 2009  Update to OFO Oct 15  Over-Delivery OFO for 10-15-09  Cold Weather Advisory October 10 & 11  BP Wattenberg Residue Plant Outage  Over-delivery Caution  Holiday Nominating Schedule  RGP Maintenance Scheduled - Sep 2-3 2009  Proposed Negative GRSA Filed with PUC  Cancellation of Force Majeure  Notice of Force Majeure  Maintenance Notice - Baxter Compressor Station  Over-delivery Caution posted July 9  Holiday Nomination Schedule  Proposed GDSMCA - effective July 1st 2009  May 1st 2009 Annual PDQ Resets Complete  RGP REVISED Maintenance Schedule  RGP Maintenance June 8-11  February 2009 TFS GDSMCA Credit  New FERC Reporting Requirement - Form 552  FERC Notice - 552 Filing Guidelines  OFO Lifted 3 23 09  February 2009 TFS Rebill  Front Range Denver Supply Caution  Over-delivery OFO Mar 19-22  I1210904  Payback Available  Weather Caution starting March 1 2  Over-Delivery Caution starting Feb 24  RGP Maintenance Feb 4 2009  NO PAYBACK ALLOWED January 21 2009  Over-Delivery Caution 1 15 09  Cold Weather advisory January 14-15  NGS Year-End Schedule 08  Arctic Weather Advisory Dec 20-22, 2008  Voluntary same-day nom for Dec 15, and payback availability  Cold Weather Advisory Dec 14, 15  Christmas Nom Schedule 08  Fuel Change Jan 1, 09  Fuel Change Notice  New High Plains Receipt Points  Workshop-Phase II Implementation  Over-delivery OFO Extended Nov 18  Over-delivery OFO Nov 15-17  Imbalance Caution for Weekend of November 15 and 16 2008  Overdelivery OFO Nov 1 and 2  Over-delivery Caution Nov 1-2  Over-delivery Caution Nov 1 - 2  Sales GCA Chart  OFO NOM update  Over Delivery Operational Flow Order October 25, 2008  Temperature History  Imbalance Caution  Sales GCA Chart  PRONTO Display Issue - August 15th 2008  New Date for Tiffany Restriction  Tiffany Receipt Point Restriction  Customer Meeting Reminder  7 1 08 Deb Rec Pt Operable  TI Customer Mailing-Contact updates  2008 Customer Meeting Invitation  Customer Meeting Date  Rates at a Glance  Sunday Warm Weather Caution  RGP Maintenance June 2-5  Weekend Weather Caution  Imbalance Reminder, Spring 08  Tiffany Noms Resume May 13 08  PPA Settlement included in Gas Transportation Summaries  Southern Mountain Interruption ended May 5th  NOTICE of FORCE MAJEURE_Pagosa_May_2008  Phase II Rate Case Filed  Update Weather Advisory April 16  Cold Weather Advisory April 16 17  Update Cold Weather Advisory April 3  Cold Weather Advisory April 3  Cold Weather Advisory March 5, 6, 2008  Feb 8 Over-delivery Caution  Jan 26-28 Over-delivery Caution  Cold Weather Advisory Jan 16 2008  Supplier-Marketer List  Holiday Nom Schedule Dec 07  OBP Clarification  OBP Dec 20 for FR, Denver  Dec 20 Over-delivery Caution  Interruptible Test Call Dec 20  Fuel change Jan 1, 2008  Payback for Dec 7 - 10  Rifle Gas Plant Receipt Point  Payback for Nov 22 - 26  Over-delivery Caution Nov 17-18  OFO Ends as Scheduled  Restriction History  Overdelivery OFO Nov 10, 11  Monday Nom deadline extended  Imbalance Caution Nov 8 through 11, 07  Imbalance Caution Nov 7, 07  Available capacity for gas day 10-31-07  OFO Ends Oct 15, CAUTION ADVISED  OFO Extended Through 10 22 07  TI Contact Update Mailing  Reminder for 2007 Customer Appreciation Luncheon  OFO Extended Through 10 15 07  OFO Extended thru 10-08-07  Invite to Customer Appreciation Luncheon 10 17 07  OFO Extended thru 100107  OFO Penalty Modified 09-24-07  Load Forecasting Tips  OFO extended thru 9 25  Revised OFO for Sept 14-18  Revised Nomination Schedule for September 11, 2007  Imbalance Caution Sept 07  Nomination Change  TI Customer Mailing  Weekend Payback Caution  COGA Meeting Aug 13-15  Imbalance Recommendation  Wattenberg Noms-June 29  Wattenberg Noms-June 28  Wattenberg outage June 27  FRP Interruptible capacity Available  BP Wattenberg Maintenance June 07  Wattenberg Partial Recovery  Wattenberg Outage  Public Service Company of Colorado  Imbalance Notice 061207  Billing agent letter  Overdelivery restictions  Advice Letter 702 Withdrawn  Receipt Point DBQ Restriction  20 Percent Current Month Imbalance Limit May 1st  RGP Maintenance May 21-25  OFO Caution May 5-7  CUSTOMER NOTICE May 4 2007  Operational Flow Order Will End as Scheduled  OFO extended - banded OFO for April 14-16  OFO Not Extended  Underdelivery OFO April 13 2007  Extend Feb 2007 Imbalance Trade Deadline  New 5-Week Index Start Date  Notice re Advice 702-Gas  Front Range Pipeline TI Capacity  Chalk Bluffs Maintenance  Spring Balancing 2007  Cold Weather Advisory Feb 14, 2007  Revised Under-delivery OFO Feb 2 to Feb 3  Under-delivery OFO Feb 2 to Feb 5  Under-delivery OFO Jan 12 to Jan 16  Transport Tariff Filing Approved  Rate Case Filed Dec 1  OFO termination Notice 01-15-07  1 11 07 EBB notice  Tariff change summary  Summary of Tariff Changes  New spot price index effective Dec 1, 06  OFO_Nov 29th and 30th 2006  OFO termination Notice 12 01 06  Cold Weather Advisory Nov 28 - 30  Over-delivery Caution Nov 23-24  OBP Nov 22, 2006  Over-deliveries Caution 11-16-06  OFO ends Nov 8th as scheduled  OFO_Nov 8 2006  TI Customer Letter_Nov 06  TI Customer Letter_Nov06  Annual Customer Meeting Invitation  Imbalance Review NEEDED  SAME DAY OFO Oct 13, ending Oct 16  OBP Oct 14-16, 2006  Gas Transport GCA Change Oct 1st 2006  Gas Transport Supplier List  Update - Nomination Deadline Extended 8-29-06  Nomination Deadline Extended 8-29-06  Same Day OFO July 27 2006  OFO Nom Deadline Extended  Measurement Transfer Problems  Gas Transport Revised Billing 11-05  Known Issues with Pronto  Caution - Weekend Gas Scheduling  Imbalance Update posted 4-11  COGA Meeting Aug 7-9  Scheduling Payback in May  April 25 OBP Cancelled - Continue Caution  Operational Balancing Procedure for April 25  Fuel Adjt for OBP Model Day - Upate  Operational Balancing Procedure for April 21 - 24  Overdelivery Caution continued - April 18 notice  Imbalance Payback Cut April 14-17  April Imbalance Update  April Imbalance Caution  New Rates Feb 6, 2006  Gas Transport Blended Rates_Feb 2006 ONLY  Fuel Percent change Feb 05  Rate Case Results  OFO Gas Day Feb 18, Front Range Op Area  OFO Gas Day Feb 18, extended to DP Area  OFO ended as scheduled  Nom Holiday Schedule 1-16-06  Holiday Nom Schedule Dec 05  NGS Year-end Schedule 05  Load Forecasting Tip  Cashout Consequences  Dec 7 Cold Weather Notice  Rate Change Nov 1st  Imbalance Payback Caution  NGS Holiday Office Hours  Over-delivery OFO Nov 9-11  OFO Extended thru Nov 14  Thanksgiving 05 Nom Schedule  November 1 payback noms  November 6-7 payback 2005  OFO Caution Nov 9 - 11  Payback Noms November 1  Over-delivery OFO Nov 2-3_Updated  Over-delivery OFO Nov 2-3  Rate Change Oct 1st  Imbalance Caution, Aug 19  Rate Case Update July 05  COGA Meeting Aug 1-3  RGP Extends Maintenance  RGP Maintenance June 13-19  Gas Rate Case  NGS Off-Site May 16-18  Cold Weather Coming Earlier  Avoid May 12 OFO by upping noms  Spring 05 Imbalance Caution  Interruption Preparedness  May Imbalance Caution  Gas Transport EDI  Same Day OFO April 29  Imbalance Caution - March 2005  Agg Balancing Starts Jan 1  OFO Ends Gas Day Jan 24  OFO Commodity Purchase  Imbal Res 12_15_04  Imbal Res 12-7-04  Dec 7 Agg Bal Workshop  Jan 05 Business Close Feb 9  Overdelivery OFO Jan 20-24  Plant Imbalances Jan 20-24  Holiday Nom Schedule Dec 04  NGS Year-end Schedule  Aggregate Balancing-updated  Aggregate Balancing  Customer Survey Feedback  GCA changes Nov 1 04  Eligibility for Agg Balancing  NGS Holiday Schedule  Holiday Nom Schedule Nov 04  Notice OBP 11_17_04  Imbalance 11-15-04  Monthly GCA moves forward  OBP Ends as Scheduled  Restricted Deliveries Nov 04  Nov 1, 04 Transpt Rates  Customer Event 10 7 04  July 04 Business Close August 12  June Business Close July 13  Off Sys Reports June 14  Billing Close June 11  COGA Conference  OFO lifted April 24  OFO Avoided April 29  OFO April 23 2004  NGS off-site April 28-29  NGS Moving March 19  Limited Payback March 27  Fax Noms April 29, Pronto for April 30  Avoid April 29 OFO by upping nom  Spring Imbalance Reminder  Pronto Scheduled Outage Feb 20-22  Voluntary Nom Increase  Nom Holiday Schedule  NGS Office Closures  OFO Feb 11_12 2004  WGI FERC 2004 SOC  Oct 27 2003 - CRS Delayed  Restricted Payback Oct 20  Imbalance Trading Guidelines Oct 20 2003  COGA Meeting Aug 4-6  Workshop Agenda  Trading Partner List - update  Tiffany Constraints 4-26-00  Telephone and Fax Changes  System Maintenance 10-12-00  System Fuel Changes 6-28-00  Sterling Receipt Point 6-30-00  Shipper Meeting - Update  RMNG Strategy Conference  RGP Outage 9-7-01  RGP Outage 10-12-01  RGP Maintenance Aug 1-5  RGP Maintenance 8-9-00  RGP Maintenance 6-12-01  RGP Maintenance 4-12-01  RGP Maintenance Aug 8-17  Restriction on Over-Deliveries  Restricted Deliveries  Restricted Deliveries 11-14-02  Technical Workshop  Remember to Watch Your ---  Rates - April 2002  Pulse Measurement Session  Proposed Rate Sch 10-1-02  Pronto III Format Modification  Pronto Enhancements  Problems at Duke-Mewbourn  Plant Operator Notice  Phone Line Notice  Phase II Change Summary  Phase I Rate Case Filed  Payment Address Change  Overdelivery Restrictions  Over Delivery Notice 9-14-00  Operational Balancing 6-1-00  OFO volumes on Pronto  OFO UPDATE 4-12-01  OFO UPDATE 4-11-01  OFO Update 12-8-00  OFO Update 12-12-00  OFO Update 12-11-00  OFO Update 11-15-00  OFO Notification 2-28-02  OFO Notification 2-25-02  OFO 2-6-03 Termination  OFO 2-6-03 Notification  OFO 2-25-03 Update  OFO 2-25-03 Termination  OFO 2-24-03 Notification  OFFICE CLOSURE  Office Closure 9-11-01  Office Closure 10-16-01  Office Closure 1-19-01  Office Closure 04-01-02  October 1999 Rates  OBP Warning - Summer 2001  OBP Notice  Nomination Procedure Change  NOM Restriction 12-7-00  No payback 6-24-03  No imbal payback 6-24-03  New Web Site Format  New PDQ Load Factor  New GCA filing expected  New GCA filed 12-22-00  More payback ok Sept 25  Monthly GCA Requested  Maintenance 9-22-00  Load Management this Spring  Limited Payback - Sept 19th  July 1999 Rates  Interruption Preparedness  Internet Explorer Update  Imbalance Restrictions Nov 7  Imbalance Restrictions Lifted  Imbalance Restrictions 12-8-01  Imbalance Restrictions 12-10-01  Imbalance Payback Update  Imbalance Payback Update  Imbalance Payback 9-28-00  Imbalance Payback 10-2-00  Holiday Nomination Schedule  Holiday Nom Schedule 8-16-00  Holiday Nom Schedule 5-23-00  Holiday Nom Schedule 12-12-00  Holiday Nom Schedule 11-15-01  Holiday Nom Schedule 11-15-00  Help Avoid an OFO  Half Day Office Closure  Get added to our Supplier List  GCA Cut Requested  Gas Cost Adjustment 6-13-00  Firm Backup Supply charges  Extended Swapping  EMERGENCY OFO 4-11-01  Effective Immediately  Early Office Closure 12-10-01  DBQ Constraints  Contract Deadline Extended  Contact Numbers Dec 01  Colorado Oil and Gas Association  Baxter Curtailment 4-11-00  Avoid an Emergency OFO  Amoco Maintenance 8-17-00  Amoco Maintenance 7-17-00  Amoco Maintenance 7-11-00  Additional Available Capacity  Update Your Contact Numbers  RGP Maintenance June 23-26  RGP Maint Reminder June 23-26  Load Management - Winter 2002  Business Office Closed May 7-9  Trailblazer Bid for 5-6-2003  PSCo Notice For Capacity Bid  New GCA filing planned  March Payback  Imbalance Notificationl 0303  Same Day OFO Update

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