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  • Business Practices

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  • ATC Implementation Document

  • Equivalent ATC/TTC Postings

  • Data Request Form (MOD-001-1 R9)

  • TTC Study Report Request Form (MOD-029-1 R4)

  • Flowgate Analysis Request Form (MOD-030 R2.1.4)

  • Rating Change Notification (MOD- 030-2 R2.5.1)

  • TRM Implementation Document

  • ATC Methodology Contact

  • Tariff
  • Open Access Transmission Tariff

  • Attachment E: PTP Customer List

  • Attachment I: NT Customer List

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  • Hot Springs Capacity Management Agreement
  • Capacity Management and Tagging Provisions for Transactions through Hot Springs

  • Attachment 1: Hot Springs FAQ

  • Attachment 2: Capacity Management Procedures Agreement

  • Transmission Availability
  • Implementation of LTF ATC Methodology Decision

  • Contract & Scheduling Points List

  • Long-Term ATC, AFC and Conditional Firm Inventory

  • Long-Term Firm (LTF) PTDF Calculator

  • Long-Term Pending Queue

  • Reservation to e-Tag Point Relationships

  • Short Term Firm (STF) PTDF Calculator

  • North of Echo Lake and South of Custer Nomograms

  • Outages
    BPAT Outages
  • Hourly TTC Path Limits

  • Outage Summary

  • Proposed 45 Day Outages

  • Generation Interconnection
  • Interconnection Information

  • Generation Interconnection Request Queue

  • Technical Requirements for Interconnection

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  • Specific Network Impact Studies

  • Attachment K Planning Process

  • Operations & Planning Information



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    Welcome to BPA Transmission Services OASIS

    Posted 5/23/13:  Completion of BPAT Systems Update
    BPAT has completed the update of its Available Flowgate Capabilities. The Daily, Weekly, Monthly, and Yearly firm products are again reservable. Thank you for your patience during this process.

    Posted 5/23/13:  Reminder of BPAT Systems Update
    On Thursday, 05/23/2013, from approximately 15:00 PPT to 19:00 PPT, BPA Transmission Services will be deactivating all transmission products, except the Hourly products, in its OASIS. BPAT will be preparing for the release of the June 2013 Base Case. All changes will be effective on June 1, 2013 at 1400. PPT.

    Posted 5/17/13:  BPAT Systems Update
    On Thursday, 05/23/2013, from approximately 15:00 PPT to 19:00 PPT, BPA Transmission Services will be deactivating all transmission products, except the Hourly products, in its OASIS. BPAT will preparing for the release of the June 2013 Base Case. All changes will be effective on June 1, 2013 at 14:00 PPT. Follow-up messages will be sent before and after. Thank you for your patience during this process.

    Posted 5/23/13:  Memorial Day Holiday Hours
    The Transmission Services Reservation and Capacity Desks will be closed Monday, May 27, 2013, for the Memorial Day holiday. On Friday, May 24, 2013, service hours for the Reservation and Capacity Desks will be 8:00am to 1:00pm PPT.

    Posted 5/16/13:  Reminder: Invalid Reservation Points for Transmission Service Requests on BPA Network
    BPA Transmission Services (BPAT) would like to remind its customers that on August 10, 2010, BPAT posted a notice on its OASIS that the following points are not valid reservation points for transmission service on its OASIS:

    • USCNDNBDRE230
    • NELWAY230
    • WANETA230

    BPAT reminds customers that any new requests for service using these points will be deemed INVALID by BPAT. Customers may continue to use USCNDNBDRW500 and USCNDNBDRCNTGS for requesting transmission service on the west side of the Northern Intertie. If you have any questions, please contact the Reservation Desk at (360) 418-8499.

    Posted 5/13/13:  BPAT Systems Maintenance
    BPAT's e-Tag and OASIS software vendor will be performing system maintenance on 05/21/13, from 17:00 PM to 18:00 PM (PPT). It is expected that there will be a few minutes of interruption to all OATI services during that time frame.

    We apologize for any inconvenience this may cause.

    Posted 4/26/13:  Updated: Advance Notice of 2013 Cluster Study
    This updated notice is intended to serve as reasonable advance notice of Bonneville Power Administration Transmission Services' (BPAT) intent to perform a Cluster Study of certain transmission service requests (TSRs) over the Network portion of the Federal Columbia River Transmission System.

    Posted 4/15/13:  BPAT Systems Maintenance
    Our e-Tag and OASIS software vendor will be performing system maintenance on 4/16/13, from 5:15 PM to 6:15 PM (PDT). It is expected that there will be a few minutes of interruption some time during that hour.

    We apologize for any inconvenience this may cause.

    Posted 3/26/13:  Completion of BPAT Systems Update
    BPAT has completed the update of its Available Flowgate Capabilities. The Daily, Weekly, Monthly, and Yearly firm products are again reservable. Thank you for your patience during this process.

    Originally Posted 3/26/13:  Reminder of BPAT Systems Update
    On Tuesday, 03/26/2013, from approximately 15:00 PPT to 19:00 PPT, BPA Transmission Services will be deactivating all transmission products, except the Hourly products, in its OASIS. BPAT will be preparing for the release of the May 2013 Base Case. All changes will be effective on April 1, 2013 at 1400. PPT.

    Original Posting 3/21/13:  BPAT Systems Update
    On Tuesday, 03/26/2013, from approximately 15:00 PPT to 19:00 PPT, BPA Transmission Services will be deactivating all transmission products, except the Hourly products, in its OASIS. BPAT is preparing for the release of the May 2013 base case. All changes will be effective on April 1, 2013 at 1400 PPT. Follow-up messages will be sent before and after. Thank you for your patience during this process.

    Posted 3/19/13:  BPAT Systems Maintenance
    Our e-Tag and OASIS software vendor will be performing system maintenance tonight, 3/19/13, from 5:15 PM to 6:15 PM (PDT). It is expected that there will be a few minutes of interruption at sometime during that hour.

    We apologize for any convenience this may cause.

    Posted 3/7/13:  Emergency Production Outage For OATI's webOASIS Application Scheduled on 03/07/13 from 20:00 PPT- 21:30 PPT
    On Thursday, March 7, 2013, from 20:00 to 21:30 PPT, OATI will be taking our OASIS system off-line for maintenance. Customers will not be able to access BPAT's OASIS during this time. There is the possibility that OASIS may return early. Please monitor your access for managing your transmission needs during this timeframe. We encourage customers to manage their reservation needs ahead of time. BPA Real Time will not accept requests for transmission service over the phone or fax during the outage. However, customers may submit e-tags against existing confirmed reservations. CDE will also be available during this outage.

    Posted 3/6/13:  PTSA Reform Process
    BPA Transmission Services is announcing certain decisions in the Precedent Transmission Service Agreement (PTSA) Reform process. These decisions bring the PTSA Reform process to a close. Please see the PTSA Reform website for more information. BPA may post additional OASIS notices as necessary to explain how it is processing specific transmission service requests related to PTSA Reform not otherwise addressed by a business practice.

    Reposted 3/6/13 (originally posted 2/13/13):  Reminder Reserving & Scheduling Transmission over the Time Change
    Effective March 10, 2013 at 0200 Pacific Prevailing Time, BPA Transmission Services will set all clocks to Pacific Daylight Saving Time (Advanced Standard Time). For more information concerning how to submit transmission requests and e-Tags that span the time change, see the Return to Daylight Savings Time bulletin posted on the Transmission Services external website.

    Posted 3/4/13:  Equivalent ATC
    Effective 3/5/13 at 13:00, BPA Transmission Services will begin posting Equivalent ATC per FERC Order 890 and 18 C.F.R. § 37.6. The posted Equivalent ATC values are used for demonstrative purposes only; Transmission Service Requests are not evaluated or granted based on these calculations. For more information on this new display, see the Equivalent ATC FAQ document posted on the Transmission Services external website.

    Posted 2/27/13:  Start/Stop Ramp Duration On Curtailed Tags
    BPA Transmission Services will be making a scheduling software configuration change to make all curtailed tags issued by OATI's Curtailment Manager or Curtailment Wizard show a Ramp Duration Start/Stop of "null (blank)". "Null" means that curtailed tags will reflect actual operational ramping protocol for both next hour and in-hour curtailments according to the WECC recommended standard default ramp durations (a 20 minute ramp straddling xx:00 for next hour curtailments and a 10 minute ramp straddling the start/stop time for in-hour curtailments). Prior to this change, most BPAT issued curtailments showed a ramp duration Start/Stop of 10/10 and sometimes 0/10 if a curtailment occurred at or after 10 minutes prior to the start time of the curtailment (for example, xx:50 for a next hour curtailment). This created a conflict for any generator that attempted to use the ramp duration on curtailed tags to "move generation" which was most often a shorter time than what was called for operationally. This change will remove that conflict and will be effective Tuesday, March 19, 2013.

    Posted 1/29/13:  Long Term ATC Management Tool
    BPA Transmission Services has improved the method of performing AFC and ATC calculations. BPA has moved from a series of spreadsheets to an automated system called the Long Term ATC Management Tool. Modeling updates have been integrated, which had resulted in slight shifts in AFC. If you have any questions, please contact the Reservation Desk at 360-418-8499.

    Posted 1/25/13:  Move of Hourly Firm Reservation Offers to 0900
    BPAT currently opens its markets for hourly firm and non-firm transmission service at 10:00 am PPT of the preschedule day. Beginning February 5, 2013, BPAT will begin opening its market for hourly firm transmission service at 9:00 am PPT of the preschedule day. The opening for hourly non-firm requests will remain at 10:00 am PPT of the preschedule day. BPAT believes that splitting the market openings for hourly firm and non-firm will resolve most, if not all, the system issues caused by the large volume of hourly requests it receives as a result of these markets opening concurrently.

    Posted 1/23/13:  Completion of BPAT Systems Update
    BPAT has completed the update of its Available Flowgate Capabilities. The Daily, Weekly, Monthly, and Yearly firm products are again reservable. Thank you for your patience during this process.

    Original Posting from 1/23/13:  Reminder of BPAT Systems Update
    On Wednesday, 01/23/2013, from approximately 15:00 PPT to 19:00 PPT, BPA Transmission Services will be deactivating all transmission products, except the Hourly products, in its OASIS. BPAT will be preparing for the release of the North of Echo Lake S>N and South of Custer N>S flowgates. All changes will be effective on February 13, 2013 at 1400 PPT.

    Original Posting from 1/18/13:  BPAT Systems Update - Adding John Day Update
    On Wednesday, 01/23/2013, from approximately 15:00 PPT to 19:00 PPT, BPA Transmission Services will be deactivating all transmission products, except the Hourly products, in its OASIS. BPAT will be preparing for the release of the North of Echo Lake S>N and South of Custer N>S flowgates and the release of an update to the West of John Day E>W flowgate definition. All changes will be effective on February 13, 2013. Follow-up messages will be sent before and after. Thank you for your patience during this process.

    Original Posting from 1/17/13:  BPAT Systems Update
    On Wednesday, 01/23/2013, from approximately 15:00 PPT to 19:00 PPT, BPA Transmission Services will be deactivating all transmission products, except the Hourly products, in its OASIS. BPAT will be preparing for the release of the North of Echo Lake S>N and South of Custer N>S flowgates. All changes will be effective on February 13, 2013 at 0900. PPT. Follow-up messages will be sent before and after. Thank you for your patience during this process.

    Posted 1/15/13:  BPAT Tagging URL/IP Change
    On 1/16/13 at 1:00pm PPT, BPAT's e-Tag software vendor will retire the old URLs and IP addresses for their e-Tag software. The new URLs and IP addresses are listed below.

    Old URLs Old Public IPs New URLs New Public IPs
       (2 per site)
    New Public IP Ranges
    https://www.oati.net/ 216.234.80.20 https://www.tag.oati.com 216.234.82.1
    174.141.249.1
    174.141.240.0/20
    216.234.80.0/20
    63.81.108.0/23
    208.254.144.0/23
    https://tagging.oatiets.com/ 216.234.80.50 https://spapp.tag.oati.com 216.234.82.3
    174.141.249.3

    Posted 11/14/12:  SE Idaho Load Service Update
    BPA has an update on the option that was identified as its top priority for service to customer loads in Southeast Idaho. Please see the update for additional information.

    Posted 08/3/12:   Processing Redirects of Pending Requests Associated with a Precedent Transmission Service Agreement
    Several customers recently submitted original Transmission Service Requests (TSRs) (AREF Nos. 77110219, 77110237, 77110289, 77110356, 77110339, 77110358, 77110498, 77110528, 77110564, 77110586, 77120041, 77120049, 77112797, 77112808, 77112816, 77175189, 77175197) seeking to redirect transmission service associated with their Precedent Transmission Service Agreements (PTSA). These PTSAs require BPA to construct the Big Eddy-Knight (BEK) project to enable firm transmission service. These original TSRs seek to redirect service currently in a pending state on BPA's OASIS. As a general rule, a customer cannot redirect service in a pending state in BPA's OASIS and any such request would be invalidated. For the reasons set forth below, BPA has determined to not invalidate these requests and is moving forward with processing them as redirects of transmission service.

    As required by the PTSA, BPA issued a Record of Decision regarding its decision to build the BEK project in September of 2011 and construction of the project is underway. Section 5(f) of the 2008 PTSA provides that once BPA makes a decision to build all the projects needed to enable service to a PTSA, BPA will notify the customer with an estimate of the service commencement date, and BPA and the customer will work together to conform the customer's service request to that date. While not specifically identified in section 5(f), the process set forth in that section requires the customer to CONFIRM its request on BPA's OASIS.

    After BPA made its decision to build for the BEK project, BPA notified 2008 PTSA holders needing just that project for service and offered the option of completing the conformance actions at that time. However, BPA did not require customers to take those actions at that time.

    The submission of the TSRs listed above effectively notified BPA of the customer's desire to complete the conformance actions. Because those actions would ultimately result in the customer's transmission request being placed into CONFIRMED status on OASIS, BPA believes that it is appropriate to treat these original TSRs as CONFIRMED requests though they are not technically CONFIRMED on OASIS at this time.

    If you have any questions, please contact your BPAT Account Executive or Lauren Nichols-Kinas at 360-619-6416.

    Posted 06/17/10:   Transmission Service Requests Redirect Issues
    Multiple redirect Transmission Service Requests (TSRs) submitted with the same related ref # (parent) and at approximately the same queue time may result in one of two situations that can be problematic. More Information

    Posted 7/13/07:  OASIS Temporary Suspension of Short-Term Firm Competition Market
    Transmission Services discovered an issue with how the wesTTrans OASIS system (OASIS) implemented the competition rules for initiating competitions for the Short-Term Firm (STF) Market (see discretionary log #43708 posted on OASIS). As a result, Transmission Services has temporarily suspended STF competition and is currently working diligently with OATI to provide a solution that would allow OASIS to correctly perform STF competitions. STF requests will continue to be processed over OASIS. The suspension applies only to the competition aspect of STF ATC evaluations.

         


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