PRC Comments / Topic

2026-NTFP-06

Open Jul 23, 2026 to Aug 6, 2026 Edits to BPM 203: Uncertainty calculation Timing Changes

Comment Topic

Overview

Lead Sponsor's (Powerex) Description of the Issue:

BPM 203 – Program Sharing Calculation Inputs states that the Uncertainty Factor is set two hours ahead of the Sharing Calculation run. This creates the potential for the binding Sharing Calculation and the Uncertainty Factor to be based on different load forecasts. Changing the Uncertainty calculation to occur at the same time as the binding Sharing Calculation would ensure that the best available load forecast is being used to determine both the Uncertainty Factor and the binding Sharing Calculation.

Response Guide

Prompts

1 Please supply any comments related to the proposed changes in BPM 203 - Section 3

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