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  • NAESB Home Page

  • Standards of Conduct
  • Emergency Circumstances Deviations

  • Marketing and Energy Affiliate List

  • Shared Facilities

  • TFE Job Descriptions

  • Potential Merger Partners

  • Information Disclosure

  • Voluntary Consent to Share Non-Affiliated Customer Information

  • Discretionary Actions under Tariff

  • Chief Compliance Officer

  • Written Procedures for Implementation

  • Performance Metrics
  • Specific Network Impact Studies

  • Transmission Service Request Studies

  • Transmission Study Metrics

  • Redispatch Costs Report

  • Business Practices, Waivers, and Exemptions
  • Business Practices

  • Waivers and Exemptions

  • ATC Information
  • 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

  • Long-Term NT Resource Designations

  • Short-Term NT Resource Designations

  • NT Resource Undesignations

  • BPA OATT Workshops

  • OATT Web Page

  • OASIS Notices
  • Discretion

  • Personnel

  • Doing Business
  • Becoming a Customer

  • Contact Information

  • Business Practices System

  • ATC Methodology

  • Procedures

  • Tariff

  • Basic Credit Standards

  • Rates

  • Generation & Energy Imbalance Reports

  • 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

  • Operations Information
  • Operations (OPI) Website

  • Area Control Error (ACE) Annual Reports

  • System Planning
  • Attachment K Planning Process



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    Welcome to BPA Transmission Services

    Posted 10/21/14:   OASIS This Hour and Next Hour ATC data
    Transmission Services (TS) has resolved the posting of current AFC and ATC in its OASIS Sys Data for the "this hour and next hour" horizon.

    Originally posted 9/24/14:   OASIS This Hour and Next Hour ATC data (Updated)
    Transmission Services (TS) will not be posting current AFC and ATC in its OASIS Sys Data for the "this hour and next hour" horizon starting at 4:00 am PPT on September 24, 2014. The AFC and ATC postings for these hours can be found in the relevant AFC and ATC initialization reports posted on OASIS. Transmission Services expects to have this issue resolved no later than October 15, 2014. Transmission Services will update this message once it is resolved. This issue does not affect horizons beyond this hour and next.

    To access the initialization reports:

    Click the "AFC/Flowgate Reports" button from the OATI Reservation Summary screen.
    Click either "AFC Initialization Impacts" or "ATC Initialization Impacts" button.
    Change filters to:
    Provider: BPAT
    Init Date: Today
    Horizon: Minute Real Time
    Path: Select flowgate or path name from dropdown menu depending on the query.
    Select the Summary hyperlink under the Report column with the most-recent time in the Init. Date field
    • F-Hourly PTP and F-Hourly NT available capacity is located in the Committed SATC/SAFC column,
    • NF-Hourly NT available capacity is located in the Committed RAFC6/RATC6 column
    • NF-Hourly PTP available capacity is located in the Committed RAFC2/RATC 2 column
    • NF-Secondary Hourly PTP available capacity is located in the Committed RAFC1/RATC1 column .
    The reports are a snapshot of the AFC/ATC at the time the initialization report are generated (Init. Date). AFC/ATC may change since the report was generated.
    We apologize for any inconvenience this may cause. Please submit questions and concerns to txcbs@bpa.gov.

    Posted 10/17/14:   Reserving & Scheduling Transmission over the Time Change
    Effective November 2, 2014 at 0200 Pacific Daylight Savings Time (Advanced Standard Time), BPA Transmission Services will set all clocks to Pacific Standard Time. For more information concerning how to submit transmission requests and e-Tags that span the time change, see the Reserving & Scheduling Transmission over the Change to Pacific Standard Time bulletin.

    Posted 10/16/14:   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 10/16/14:   Reminder of BPAT Systems Update
    On Thursday, 10/16/2014, 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 Jan 2015 Base Case. All changes will be effective on Jan 1, 2015 at 0000. PPT.

    Posted 10/10/14:   BPAT Systems Update
    On Thursday, 10/16/2014, 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 Jan 2015 Base Case. All changes will be effective Jan 1, 2015 at 00:00 PPT. Follow-up messages will be sent before and after. Thank you for your patience during this process.

    Posted 10/16/14:   15-Minute Scheduling Begins October 21st
    BPA Transmission Services will begin accepting 15-minute schedules at 11:00 on October 21, 2014. The first interval open for scheduling changes will be Hour Ending 12, Interval C (11:30-11:45) as result of e-tag timing requirements. For more information on scheduling requirements, please refer to BPA's Scheduling Transmission Service Business Practice, Version 16. BPA's OASIS test environment remains available for customers who want to test 15-minute tags in our development system. Please submit questions and concerns to txcbs@bpa.gov.

    Posted 10/8/14:   BPAT Systems Maintenance
    BPAT's e-Tag and OASIS Software vendor will be performing system maintenance on October 21, 2014 from 17:00 to 18:00 (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 9/30/14:   15 Minute Scheduling Implementation Delayed
    Transmission Services (TS) will be delaying the implementation of 15 Minute Scheduling until early November 2014. BPA's development of 15-minute scheduling capabilities has been guided by our commitment to reliability. While testing one of the software upgrades, we found a flaw that would affect the reliable operation of our hydropower system. We expect about a four week delay to correct this flaw.

    We apologize for any inconvenience this may cause. Please submit questions and concerns to txcbs@bpa.gov.

    BPA's OASIS test environment is available for customers who want to test 15-minute tags in our development system.

    Posted 9/24/14:   WebTrans Upgrade to 5.2.2 Completed
    BPAT has completed the update of its webTrans system to 5.2.2, September 24, 2014 at 10:00 am PPT. For CDE users who were logged in during the upgrade, it is recommended that you now log out, clear your internet browser cache, and log back in. Please submit questions or concerns to txcbs@bpa.gov.

    Posted 9/23/14:   OASIS This Hour and Next Hour ATC data
    Transmission Services will not be posting accurate AFC and ATC in its OASIS Sys Data for the "this hour and next hour" horizon starting at 4:00 am PPT on September 24, 2014. The AFC and ATC postings for these hours can be found in the relevant AFC and ATC initialization reports posted on OASIS. Correct postings are scheduled to resume no later than October 15, 2014. Transmission Services will update this message once it is resolved. This does not affect the other AFC and ATC horizons.

    We apologize for any inconvenience this may cause. Please submit questions and concerns to txcbs@bpa.gov.

    Posted 9/23/14:   WebTrans Upgrade to 5.2.2
    BPAT will be upgrading its webTrans system to version 5.2.2 on September 24, 2014, at 4:00 am PPT. The upgrade is expected to take approximately 90 minutes. During this time customers should expect the following temporary conditions:

    • CDE will not be available. Ancillary Service data should be entered prior to this upgrade to the extent possible;
    • There may be some delay in the validation of reservations and tags; and
    • Sys Data, Effective ATC, and outage information will not be updated in OASIS.

    BPAT will post an update to this message when the upgrade is completed. For CDE users who are logged in during this time, it is recommended that you log out and log back in after you receive that message. Please clear your browser's cache after the upgrade.

    We apologize for any inconvenience experienced during this upgrade. Please submit questions and concerns to txcbs@bpa.gov.

    Posted 9/12/14:   BPAT Systems Maintenance
    BPAT's e-Tag and OASIS software vendor will be performing a business continuity drill on 09/16/2014 from 17:00 to 18:00 (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 9/9/14:   DEV CDE Environment
    BPAT will be upgrading the CDE test environment starting 09/10/14 and ending 09/24/14 in order to meet its 15-minute scheduling go-live commitment. Customers will have intermittent access to DEV during this time. All reservation and tag data created prior to and during this upgrade will not be available for use until 09/24/14 when DEV is restored. Customers are advised that not all tables may be functioning properly and may change frequently during the upgrade. Production data will not be impacted. The CDE User Guide is being updated to address changes and should be posted by 09/18/14. Please send questions or access requests to Txcbs@bpa.gov. We apologize for any inconveniences this may cause.

    Posted 9/8/14:   DEV CDE Environment
    BPAT will be upgrading the CDE test environment starting 09/10/14 and ending 09/24/14. Customers may not have access on 9/10/2014. All reservations and tag data created prior to 9/10/14 will not be available for future use. New reservations and tags will need to be submitted. Production data will not be impacted. The CDE User Guide is being updated to address changes. Please send questions or access requests to Txcbs@bpa.gov. We apologize for any inconveniences this may cause.

    Posted 9/8/14:   Upcoming OATI webOASIS Release
    OATI has scheduled a Production update to the webOASIS system on September 10, 2014 from 8:10 to 9:00 Pacific Daylight time.
    Release notes are available on the demo system under the Help Menu Item or at the following location:
    http://demo.oasis.oati.com/releasenotes/v 3.6.0_TC_OASIS_Release_Notes.pdf
    There will not be an outage and users of the webOASIS system should not notice a disruption in service.

    Posted 7/23/14:   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 7/23/14:   Reminder of BPAT Systems Update
    On Wednesday, 07/23/14, 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 Aug 2014 Base Case. All changes will be effective on Aug 1, 2014 at 0000. PPT.

    Originally Posted 7/16/14:   BPAT Systems Update
    On Wednesday, 07/23/14, 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 Aug 2014 Base Case. All changes will be effective Aug 1, 2014 at 00:00 PPT. Follow-up messages will be sent before and after. Thank you for your patience during this process.

    Posted 7/7/14:   BPAT Systems Maintenance
    BPAT's e-Tag and OASIS software vendor will be performing a business continuity drill on 07/15/2014 from 17:00 to 18:00 (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 4/2/14:   Transmission Reassignment Reporting Requirement
    This notice serves as a reminder to transmission customers of the obligation to accurately report information associated with transmission capacity reassignments, including but not limited to pricing information, on BPA's Open Access Same-Time Information System (OASIS). Customers reassigning transmission scheduling rights (Resellers) are required to report all reassignments on BPA's OASIS as per section 23.3 of BPA's tariff and section A.2 of BPA's Resale of Transmission Service Business Practice, v.10. Failure to report this information accurately can potentially lead to criminal sanctions under 18 U.S.C. § 1001, which makes it a crime for any person knowingly and willingly to make to any Agency or Department of the United States any false, fictitious or fraudulent statements.

    Pursuant to section 220 of the Federal Power Act, 16 U.S.C. § 824t, and Federal Energy Regulatory Commission (Commission) Order No. 768, BPA will begin filing capacity reassignment information in Electric Quarterly Reports (EQR) with the Commission in April of 2014. BPA will not be responsible for the accuracy of the information. If the Commission has questions regarding the accuracy of the information reported by the Reseller on BPA's OASIS, BPA will refer the Commission to the Reseller.

    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.

         


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