Preliminary Impact Analysis
Proposed Revision Request (PRR) Title
Updated CRR Credit Calculation
PRR No.
383 / Related Policy Initiative (if any)
None
Impact Analysis Date
February 8, 2011
Identify Stakeholders
1CRR Market Participants / 4
2 / 5
Overall Impact : High Moderate Low None
Impacts: / Comments
Business Process(es) Impact?
Yes No / This change effects how CRR participants have their auction bid portfolios valued
Control Plan Impact?
Yes No / This change only clarifies existing tariff compliance
Operating Procedures Impact?
Yes No
Systems/Application(s) Impact?
Yes No / The CRR system has been modified to reflect the new calculation methodology
Market Product(s) Impact?
Yes No
Market Policy Impact?
Yes No / This change was a clarification of the existing policy
Business Practice Manual Impact?
Yes No / Only BPM for CRRs is impacted by this change
Tariff Impact?
Yes No / This change only clarifies existing tariff compliance
Other Regulatory Impact?
Yes No
Training Plan Impact?
Yes No / Change was explained on the weekly CRR conference call, examples were provided and a Market Simulation was performed to explain this change
Other Miscellaneous?
Yes No
Provide all information below:
An estimate of any cost and budgetary impacts to the CAISO for both implementation and on-going operations (state separately for each)The change was implemented through W.O. #14 and implemented as required by Tariff
The identification of alternatives to the original proposed language that may result in more efficient implementation
N/A
The identification of any manual workarounds that may be used as an interim solution and estimated costs of the workaround
None
The estimated amount of time required to implement the revised BPM PRR and its resulting effect, if any, on operation of the CAISO Markets
CRR system changes have gone through market simulation, test and stage internal system environments and are set to be deployed to production around February 14, 2011.
Comments
CAISO Public1PRRIA