Transmission Business Practices

Effective 4/4/2023

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.

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

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 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 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 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.

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 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 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

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 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

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

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 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 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.