Transmission Business Practices

Effective 9/28/2023

BPA Transmission Business Practices Acronyms and Glossary

Version 2 - Effective 10/1/2021

Balancing Reserve Capacity

This 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.

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.

Version 28 - Effective 2/16/24

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 1 - Effective 9/28/2023

Conditional Firm Service (CFS) Reconsideration Pilot

This business practice describes the requirements and process for a temporary pilot program to allow Customers to request reconsideration of eligible Transmission Service Requests (TSRs) for Conditional Firm Service (CFS).

Version 2 - Effective 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

This business practice governs the use of Upper and Lower Transfer Limits on BPA managed paths during periods that BPA is not in the Energy Imbalance Market (EIM).

Version 5 - Effective 5/30/23

Energy Imbalance Market (EIM)

• Intrachange Imbalance Settlement Example

This 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 14 - Effective 3/1/2024

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 6 - 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 47 - Effective 1/22/2024

Requesting Transmission Service

This business practice describes the process and guidelines for requesting Point-to-Point (PTP) or Network Integration (NT) Transmission Service from BPA on the Open Access Same-Time Information System (OASIS).

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.

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.

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 10 - Effective 1/22/2024

TSR Study and Expansion Process 

This business practice describes the BPA Transmission Service Request (TSR) Study and Expansion Process (TSEP) and provides information regarding requirements for Customer requests for individual study of TSRs.

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.