Proposed Revision Request Detail Help
PRR Life Cycle*******Final Decision**
PRR Details
Title To support energy imbalance market enhancements 2020, specifically symmetrical wheeling. Configuration changes to real time marginal losses offset, real time energy pre-calc and real time congestion pre-calc
Date Submitted 10/28/2020 12:09 PM
PRR Category C
Priority Normal
Owner Corona, Brenda (CAISO)
Status Final Decision
Status End Date 1/5/2021 11:59 PM
Related BPM Settlements and Billing
BPM Section CG PC Real Time Energy Quantity, CG PC Real Time Congestion CG, CC 6985 Real Time Marginal Losses Offset
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Existing Language
See BPM attached to this PRR
Proposed Language
See BPM attached to this PRR
Reason For Revision

The proposed enhancement will settle all Base ETSR schedule deviations at an EIM BAA intertie at the same SP-Tie LMP that would have been used to settle TID schedule deviations with that EIM BAA at that intertie if the EIM BAA at the other end were a non-EIM BAA.


Updated Real Time Marginal Losses Offset, RT Energy PC and RT Congestion PC to accommodate settlements changes regarding new pricing locations.


The effective date of the changes is 1/1/2021.

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BPM PRR Submitter

Corona, Brenda (CAISO)
Modified BPM language proposed by the PBM Chnage Management Coordinator

The ISO proposes additional modified BPM language beyond that proposed in the BPM PRR.
Identification of the authorship of comments

No comments were received.

Approve the BPM PRR as modified.

Updated 6985 and PRR 1308 is associated with this PRR, for 69850
Statement of apparent requirements of the BPM PRR

This BPM PRR contains basic language changes.
Priority and rank for any BPM PRR requiring a CAISO system change

There are system changes associated with this PRR. The system changes are planned for implementation on 12/15/2020 on a normal basis.
Proposed effective date(s) of the BPM PRR

The ISO proposes an effective date of 1/1/2021 for the BPM revisions.
Other recommended actions

The ISO does not recommend any other actions on this BPM PRR.
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Final Decision

 The ISO will adopt the BPM change as proposed in the recommendation.
Stakeholder Comment

No comments submitted.

Effective Date


Adopt the recommendation as modified

Effective date updated to 2/1/2021 for BPMs
Posted On - 12/9/2020 8:28 AM
Impact Analysis
Initial Comments
No Initial Comments available for this PRR.
Recommendation Comments
No Recommendation Comments available for this PRR.
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