ISO Logo
February 4, 2020


Request for Comment


Business Practice Manuals

BPM Change Management: Proposed Revision Requests and Updated BPMs Posted as of 2/4/20


The California ISO has posted new proposed revision requests (PRRs) reflecting edits to Business Practice Manuals (BPM). Revised BPMs that have completed the BPM change management process are posted in the BPM Library.


All PRRs and related activity are publicly available through the BPM change management site at


The PRRs listed below have an open 10-business day comment or appeal period from Feb. 4, 2020 through Feb. 19, 2020.


New PRRs

PRR 1220 Market Operations BPM, How should partial configuration outages be treated

PRR 1221 Market Operations BPM, E-Tag adjustments and curtailments rules

PRR 1222 Market Operations BPM, Manual assignment of ancillary services – fifteen minute market interval determination

PRR 1223 Congestion Revenue Rights BPM, Congestion revenue rights (CRR) transparency project

PRR 1224 Market Operations BPM, Emergency PRR, Ancillary services on variable energy resource

PRR 1225 Managing Full Network Model BPM, Model schedule update and clarification on applicability for reliability coordinator services

PRR 1226 Demand Response BPM, Appendix B updates to clarify TMNT measurement type data requirement.

PRR 1227 Settlements and Billing BPM, Emergency PRR, Updated BPM configuration guide for PC HVAC metered load 5.6 to accommodate FERC order 841


ISO Recommendations

PRR 1219 Reliability Requirements BPM, Clarifying process of rate of change sanctions for resource adequacy and supply plan when scheduling coordinator of record changes


ISO Final Decisions

PRR 1218 Generator Interconnection and Deliverability Allocation Procedures BPM, 2018 interconnection process enhancements-affected systems clarifications, cost responsibility updates, and reliability network upgrades reimbursement cap updates

PRR 1217 Congestion Revenue Rights BPM, Clarification of congestion revenue rights processes 2019

PRR 1216 Settlements and Billing BPM, Update the settlement charge code to adjust the effective date of the shaping functionality for static and dynamic energy transfer system resources back to April 4, 2018

PRR 1215 Settlements and Billing BPM, Updated BPM configuration guides for charge code 6700 congestion revenue rights hourly settlement and charge code 6701 monthly congestion revenue rights true-up to resolve CRR notional amount processing issue for the CRR monthly true-up

PRR 1214 Outage Management BPM, Discovery date/time for forced outages

PRR 1213 Generator Management BPM, Termination of negotiated bids upon retirement

PRR 1212 Market Instruments BPM, Major maintenance adders during scheduling coordinator change

PRR 1211 Generator Management BPM, Deliverability transfer modifications

PRR 1210 Market Operations BPM, Methodology for satisfying non-performance of pay for performance regulation requirements


BPM Library updates

The reference document on the ISO website lists the updated BPMs in the library.


The ISO may unilaterally make and implement revisions to the BPMs in emergency circumstances, as set forth in Sections 22.4.3 and 22.11 of the ISO Tariff and in Section 2.6 of the Business Practice Manual for BPM Change Management.  An emergency PRR will continue through the BPM change management stakeholder process to obtain stakeholder input on the revisions and make other recommendations, as necessary.


Please note that affected parties must register in order to submit a PRR or written comments.


More information on the BPM change management process is available on the ISO website at


Nicole Hines at 916-608-5862 or

Engage with us!
isoball twitterball RSSball Facebookball YouTube
Daily Briefing
Sign up
Daily Briefing
ISO Today
ISO Today
Flex Alerts
Sign up
Flex Alerts

California Independent System Operator | P.O. Box 639014 | Folsom, CA 95630 | United States