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  • Becoming a Transmission Customer
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Transmission Business Practices

BPA Transmission Business Practices provide customers with information on conducting business with BPA. They are derived from the application of the BPA Open Access Transmission Tariff (OATT) and the Transmission and Ancillary Service Rate Schedules. The Business Practices inform BPA customers about policies and procedures related to obtaining BPA products and services. 

Effective 2/21/2023

BPA Transmission Business Practices Acronyms and Glossary


Version 2 - Effective 10/1/2021

Balancing Reserve Capacity

The Balancing Reserve Capacity Business Practice establishes the methodology for determining the amount of capacity for Balancing Reserves that BPA will supply.

Version 6 - Effective 4/1/2021

Balancing Service Election for DERBS and VERBS

The Balancing Service Election for DERBS and VERBS Business Practice applies to the Dispatchable and Variable energy resources operating in the BPA Balancing Authority Area. It implements the requirements for Dispatchable and Variable Energy Resources to make their elections for receiving Balancing Services from BPA during the upcoming rate period.

Tariff/Rate Schedule Reference

  • Ancillary and Control Area Services

Version 5 - Effective 10/1/2021

Balancing Services Resources Prequalification

The Balancing Services Resources Prequalification Business Practice describes how a potential supplier of Balancing Services from a non-federal resource that wishes to supply Balancing Services must be approved in advance of supplying such services.

Tariff/Rate Schedule Reference

  • I. Common Service Provisions
  • 3. Ancillary Services

Version 2 - Effective 11/24/2021

Billing Dispute Procedures

The Billing Dispute Procedures Business Practice provides the procedures that Customers must follow for Transmission billing disputes pursuant to sections 7 and 12 of BPA’s Open Access Transmission Tariff and subject to applicable law.

Version 26 - 1/13/22

Conditional Firm Service (CFS)

This business practice describes the eligibility requirements for Conditional Firm Service (CFS), clarifies the different types of CFS offers, provides e-Tag and Curtailment information, and describes the operational attributes of CFS.

Version 2 - 4/13/2022

Consolidation of Transmission Service

This business practice explains the criteria and requirements to complete a Consolidation of 
Point-to-Point (PTP) Transmission Service on the Open Access Same-Time Information System 
(OASIS).

Version 3 - Effective 11/5/2021

Contiguous Point of Delivery

The Contiguous Point of Delivery Business Practice describes the general criteria of a Contiguous Point of Delivery (POD) and how to request or make a change to a Contiguous POD.

Version 4 - Effective 10/1/2021

Creditworthiness

The Creditworthiness Business Practice describes the criteria BPA uses in analyzing a potential or existing Customer’s creditworthiness and outlines the credit qualification procedures Customers must follow in order to receive Transmission Service.

Tariff/Rate Schedule Reference

I. Common Service Provisions
11. Creditworthiness

Version 4 - Effective 2/28/2017

Customer Data Entry
  • Customer Data Entry User's Guide
The Customer Data Entry (CDE) is a system provided by BPA that allows a Customer to access information pertaining to their Ancillary Services, Loss Return obligations, portfolio manager, contract portfolio manager and authorize a third party to view their information and data

Tariff/Rate Schedule Reference

II. Point-To-Point Transmission Service
17. Procedures for Arranging Firm Point-To-Point Transmission Service
18. Procedures for Arranging Non-Firm Point-To-Point Transmission Service

Version 2 - Effective 5/4/2021

Customer Name Change

The Customer Name Change Business Practice describes the process for an existing BPA Customer to notify BPA of a name change.

Version 22 - Effective 11/1/2022

Deferral Service (Extension for Commencement of Service)

The Deferral Service business practice describes the requirements and process of extensions for commencement of service (DEFERRAL Request Type on OASIS) for Point-to-Point (PTP) Transmission Service, and the Deferral reservation Competition process.

Tariff/Rate Schedule Reference

II. Point-To-Point Transmission Service
15. Service Availability
18. Procedures for Arranging Non-Firm Point-To-Point Transmission Service

Version 4 - Effective 3/1/2022

Dispatchable Energy Resource Balancing Service (DERBS)

This business practice describes the Dispatchable Energy Resource Balancing Service (DERBS) and clarifies its application.

Version 10 - Effective 10/1/2021

Dynamic Transfer Capability: Requesting and Awarding Access

The Dynamic Transfer Capability: Requesting and Awarding Access Business Practice provides the process to request access to Dynamic Transfer Capability on BPA’s network and identifies how requests are evaluated and awarded.

Version 4 - Effective 11/24/2021

Dynamic Transfer Limits Operating Procedures for Use of Upper and Lower Transfer Limits on BPA’s Transmission System

The Dynamic Transfer Limits Operating Procedures for Use of Upper and Lower Transfer Limits on BPA’s Transmission System Business Practice governs the use of Upper and Lower Transfer Limits on BPA managed paths. 

Version 11 - Effective 2/16/2021

Dynamic Transfer Operating and Scheduling Requirements

The Dynamic Transfer Operating and Scheduling Requirements Business Practice sets forth the technical and communication requirements for a Customer to use BPA’s Transmission System for Dynamic Transfers.

Version 4 - Effective 1/30/23

Energy Imbalance Market (EIM)

  • Intrachange Imbalance Settlement Example

The Energy Imbalance Market (EIM) Business Practice sets forth the detailed processes and procedures necessary to comply with the provisions of the BPA Open Access Transmission Tariff (OATT) to implement participation in the EIM.

Version 12 - Effective 10/1/2021

Energy Imbalance Service

The Energy Imbalance Service Business Practice describes Energy Imbalance Service and the associated accounting for the difference between hourly energy scheduled and hourly energy delivered to that load.

Version 15 - Effective 10/1/2021

Failure to Comply Penalty Charge

The Failure to Comply Penalty Charge Business Practice addresses the consequences of non-compliance with Dispatch Orders and how the Failure to Comply Penalty Charge is determined.

Version 2 - Effective 12/14/2022

Funding Advance Construction of Network Upgrades and Temporary Use of Network Upgrades

This business practice outlines activities applicable to funding advance construction of Network Upgrades and the temporary use of Network Upgrades associated with an interconnection request from another Interconnection Customer in accordance with Attachment L of the BPA Open Access Transmission Tariff (OATT) and applicable Large Generator Interconnection Agreement (LGIA).

Version 15 - Effective 10/1/2021

Generation Imbalance Service

The Generation Imbalance Service Business Practice describes Generation Imbalance Service and the associated accounting for the difference between energy scheduled and energy delivered from that generation.

Version 4 - Effective 4/20/2018

Generation Integration Services

The Generation Integration Services Business Practice describes the requirements for generators operating in the Bonneville Power Administration Balancing Authority Area to obtain Integration Services from the Bonneville Power Administration. It provides details about the requirements for Balancing Authority Area Service Agreements.

Version 10 - Effective 10/27/2016

GI Transmission Credits

This business practice describes how repayment will occur for Interconnection Customers entitled to Transmission Credits.

Version 11 - Effective 10/1/2021

Large Generator Interconnection

The Large Generator Interconnection Business Practice describes the process Customers follow to interconnect large generating facilities (more than 20 MW nameplate generation capacity) resources with the Bonneville transmission system. This Business Practice identifies the qualification criteria, forms, and submission procedures along with expected steps and timing leading up to interconnection.

Version 3 - Effective 10/1/2015

Line & Load Interconnection Procedures

The Line and Load Interconnection Procedures Business Practice describes the steps and requirements for submitting a Line and Loads Interconnection Request (LLIR). Entities seeking a transmission system interconnection without associated Point-to-Point (PTP) or Network Transmission (NT) Service must submit a LLIR.

Version 6 - Effective 5/16/2022

Netting Resources for Operational Controls for Balancing Reserves (OCBR)

The Netting Resources for Operational Controls for Balancing Reserves Business Practice describes the process and procedures for Customers to request netting of multiple generating facilities. Netting enables an aggregate operational response to BPA directives under Operational Controls for Balancing Reserves (OCBR).

Version 13 - Effective 3/24/2023

Network Integration (NT) Transmission Service

The Network Integration (NT) Transmission Service Business Practice outlines processes and procedures specific to Network Integration Transmission (NT) Service.

Becoming a Customer webpage

Version 13 - Effective 3/1/2022

On Demand Resource Scheduling

The On Demand Resource Scheduling Business Practice sets forth BPA’s policy for scheduling an On Demand Resource on existing transmission rights.

Version 16 - Effective 1/6/2023

Operating Reserves

The Operating Reserves Business Practice describes the criteria a Customer must meet to fulfill its Operating Reserves Requirement.

Version 10 - Effective 10/21/2021

Oversupply Management Protocol

This business practice describes the overall implementation of the Oversupply Management Protocol (OMP) including actions that will be taken prior to implementation; implementation and event status notifications; displacement protocol and costs; charges, discounts and penalties.

Tariff/Rate Schedule Reference

IV. Miscellaneous Provisions
36. Oversupply Management Protocol

Version 4 - Effective 3/22/22

Preemption of Short-Term Requests and Reservations

This business practice outlines the Preemption process BPA uses to manage reservation priority for the Short-Term market.

 

Version 5 - Effective 10/4/23

Preemption of Short-Term Transmission Service

This business practice outlines the Preemption process BPA uses to manage reservation priority for the Short-Term market, which includes Hourly service.

Version 16 - Effective 10/1/2021

Real Power Loss Return

The Real Power Loss Return Business Practice defines the process and guidelines for Transmission Customers that must return Real Power Losses to the Bonneville Power Administration Power Services.

Tariff/Rate Schedule Reference

II. Point-To-Point Transmission Service
15. Service Availability

Version 27 - Effective 2/28/2023

Redirect of Transmission Service

This business practice outlines the process and requirements of redirecting (REDIRECT Request Type on OASIS) Point-to-Point Transmission Service and applicable rates that will be applied to a REDIRECT TSR that modifies the POR, POD, Source and/or Sink.

Tariff/Rate Schedule Reference

II. Point-To-Point Transmission Service
13. Nature of Firm Point-To-Point Transmission Service
II. Point-To-Point Transmission Service
14. Nature of Non-Firm Point-To-Point Transmission Service

Version 13 - Effective 10/1/2019

Redispatch & Curtailment Procedures

The Redispatch & Curtailment Procedures Business Practice describes the Redispatch and Curtailment Procedures used to mitigate transmission system overloads and other reliability-related problems.

Tariff/Rate Schedule Reference

II. Point-To-Point Transmission Service
13. Nature of Firm Point-To-Point Transmission Service
II. Point-To-Point Transmission Service
14. Nature of Non-Firm Point-To-Point Transmission Service

Version 14 - Effective 11/1/2022

Renewal of Transmission Service (Reservation Priority) 

The Renewal of Transmission Service (Reservation Priority) Business Practice describes the requirements and processes for reservation priority (RENEWAL Request Type on OASIS) for Long-Term-Firm (LTF) Transmission Service, and the Renewal Competition process.

Tariff/Rate Schedule Reference

I. Common Service Provisions
2. Renewal Procedures
II. Point-to-Point Transmission Service
14. Nature of Non-Firm Point-To-Point Transmission Service

Version 44 - Effective 3/24/2023

Requesting Transmission Service

The Requesting Transmission Service Business Practice describes the process and guidelines for requesting transmission service from BPA Transmission Services over the Open Access Same-Time Information System (OASIS).

Tariff/Rate Schedule Reference

II. Point-To-Point Transmission Service
17. Procedures for Arranging Firm Point-To-Point Transmission Service
18. Procedures for Arranging Non-Firm Point-To-Point Transmission Service

Version 13 - Effective 1/12/2023

Resale of Transmission Service
 
This business practice explains the criteria and requirements to complete a Resale of Point-to-Point (PTP) Transmission Service on the Open Access Same-Time Information System (OASIS).

Tariff/Rate Schedule Reference

II. Point-To-Point Transmission Service
23. Sale or Assignment of Transmission Service

Version 5 - Effective 5/4/2021

Reservation Agent
 
The Reservation Agent Business Practice defines the process for designating BPA as a Reservation Agent and outlines the responsibilities of the Customer and the BPA Reservation Agent.

Tariff/Rate Schedule Reference

II. Point-To-Point Transmission Service
17. Procedures for Arranging Firm Point-To-Point Transmission Service

Version 4 - Effective 5/4/2021

Scheduling Agent 

The Scheduling Agent Business Practice defines the roles and responsibilities of the Customer and Scheduling Agent and the process for Customers to follow to designate a Scheduling Agent.

Tariff/Rate Schedule Reference

II. Point-To-Point Transmission Service
13.8 Scheduling of Firm Point-To-Point Transmission Service
17. Procedures for Arranging Firm Point-To-Point Transmission Service
18. Procedures for Arranging Non-Firm Point-To-Point Transmission Service

Version 33 - Effective 2/28/2023

Scheduling Transmission Service

The Scheduling Transmission Service Business Practice describes the process and guidelines for scheduling transmission services from BPA.

Note:  15-minute scheduling on the PDCI will only be available on tags between BPA transmission customers and LADWP.  BPA is working with CAISO to initiate 15-minute schedules between BPA transmission customers and CAISO at a later date.

 

Tariff/Rate Schedule Reference

II. Point-To-Point Transmission Service
13. Nature of Firm Point-To-Point Transmission Service
II. Point-To-Point Transmission Service
14. Nature of Non-Firm Point-To-Point Transmission Service

Version 4 - Effective 10/25/2019

Self-Supply of Balancing Services

The Self-Supply of Balancing Services Business Practice outlines the requirements for a variable energy resource to self-supply Variable Energy Resource Balancing Service (VERBS).

Version 3 - Effective 4/13/2022

Simultaneous Submission Window Processing

This business practice describes simultaneous submission eligibility, capacity allocation, the duration and treatment of requests, and lottery allocation methodology for Point-to-Point (PTP) Transmission Service Requests (TSRs) that are equal in priority.

Tariff/Rate Schedule Reference
II. Point-To-Point Transmission Service

13. Nature of Firm Point-To-Point Transmission Service

Version 6 - Effective 10/1/2021

Small Generator Interconnection

Version 1 Effective 10/1/2021

Southern Intertie Study Process

This business practice describes the requirements and processes for conducting studies to increase capacity on the Southern Intertie.

Tariff/Rate Schedule Reference

II. Point-To-Point Transmission Service
 
13. Nature of Firm Point-To-Point Transmission Service
 
15. Service Availability
 
17. Procedures for Arranging Firm Point-To-Point Transmission Service
 
19. Additional Study Procedures for Firm Point-To-Point Transmission Service Requests
 
21. Provisions Relating to Transmission Construction and Services on the Systems of Other Utilities

Version 4 - Effective 8/10/2022

Transfer of Transmission Service
 
This business practice describes the criteria and requirements for completing a Transfer of Transmission Service (Transfer) on OASIS.

Version 4 - Effective 3/1/2022

Transmission Credits for Non-GI Network Upgrades

The Transmission Credits for Non-GI Network Upgrades Business Practice describes the calculation and repayment of Transmission Credits earned by the Funding Customer for advance funding non-Generation Interconnection Network Upgrades.

Version 2 - Effective 10/1/2021

Transmission Planning Process (Attachment K)

This business practice describes the process for submitting Economic Study requests, submittal of required customer information, and procedures for protecting and accessing Confidential Information during the BPA Planning Process.

Version 3 - Effective 3/23/2023

Transmission Service Requests (TSR) Evaluation

The Transmission Service Requests Evaluation Business Practice describes the methods that Transmission Services uses to evaluate the impacts of Transmission Service Requests (TSRs) and/or Network Integration Transmission Service (NT) forecasts, including whether new transactions can be granted due to de minimis impacts, in both the Short-Term time horizon (0-13 months) and the Long-Term time horizon (the Planning Time Period for beyond month 13).
 

Version 8 - Effective 3/24/2023

TSR Study and Expansion Process 

The TSR Study and Expansion Process Business Practice describes the Bonneville Power Administration (BPA) Transmission Service Request (TSR) Study and Expansion Process (TSEP) and provides information regarding requirements for customer requests for individual study of TSRs.

Tariff/Rate Schedule Reference

II. Point-To-Point Transmission Service
17. Procedures for Arranging Firm Point-To-Point Transmission Service
18. Procedures for Arranging Non-Firm Point-To-Point Transmission Service
III. Network Integration Transmission Service
32. Additional Study Procedures for Network Integration Transmission Service Requests


Version 4 - Effective 3/25/2021

Unauthorized Increase Charge

The Unauthorized Increase Charge Business Practice describes the calculation of the Unauthorized Increase Charge (UIC), with example scenarios where a UIC applies, and the process to request a UIC waiver or reduction.

Version 2 - 3/10/22 

Variable Energy Resource Balancing Service (VERBS)

This business practice describes the Variable Energy Resource Balancing Service (VERBS) and clarifies its application. Included in this business practice is a description of how BPA will provide each Variable Energy Resource (VER) in the BPA Balancing Authority Area with the schedule value that meets the accuracy standard for each hour.

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