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Proposed Revision Request Detail Help
PRR Life Cycle*Initial Comment********
PRR Details
PRR #
1660
Title Clarification of variable energy resource persistence forecasting
Date Submitted 1/21/2026 1:06 PM
PRR Category C
Priority Normal
Owner Martin, Michael (CAISO)
Status Initial Comment
Status End Date 2/18/2026 11:59 PM
Related BPM Energy Imbalance Market
BPM Section 11.7.2.1 VER Persistence Forecasting
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Existing Language

​See Attached

Proposed Language

​See Attached​

Reason For Revision

The PRR adds a new sub-section on variable energy resource (VER) Persistence Forecasting that describes its high-level design, benefits and steps Western Energy Imbalance Market Balancing Authority Areas may take to elect the persistence methodology for their VER resource forecasting​. ​

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