IRO-006-WECC-3: Qualified Path Unscheduled Flow (USF) Relief

Purpose
To mitigate flows on Qualified Paths to reliable levels during Real-time operations.

Applicability 

4.1. Reliability Coordinator
4.2 Balancing Authority

Effective Date
The first day of the second quarter following applicable regulatory approval. See Implementation Plan.

Requirements and Measures 
R1. Each Reliability Coordinator receiving a request for Curtailments for unscheduled flow transmission relief on a Qualified Path within its Reliability Coordinator Area shall either approve or deny that request within five minutes of receipt. [Violation Risk Factor: Medium] [Time Horizon: Real-time Operations]

M1. Each Reliability Coordinator receiving a request for Curtailments for unscheduled flow transmission relief on a Qualified Path within its Reliability Coordinator Area, per requirement R1, will have evidence that it approved or denied that request within five minutes of receipt. Evidence may include, but is not limited to documentation of either an active or passive approval.

R2. Each Balancing Authority receiving an approved request for unscheduled low transmission relief on a Qualified Path per Requirement R1, shall perform any of the following actions to meet that request: [Violation Risk Factor: Medium] [Time Horizon: Real-time Operations]

• Approve curtailment requests to the schedules as submitted
• Implement alternative actions

M2. Each Balancing Authority receiving an approved request for unscheduled flow transmission relief on a Qualified Path per Requirement R1, will have evidence that it performed the actions allowed in Requirement R2, to meet that request.