Reliable Power Reliable Markets Reliable People ISO Rules Update – – Outage Cancellation – Long Lead Time Energy Dispatch Compliance

2 Rule 6.6 – Dispatch Compliance Three complaints submitted to the AUC – hearing is currently scheduled to commence July 13, 2009 Recommendation Paper issued October 30, 2008 Recommendation Update issued January 15, 2009 Draft rule posted March 5, 2009 ************************************* Comments due April 3, 2009 Targeting to file with the AUC near the end of April, 2009

3 Rule 6.6 – Dispatch Compliance We are in consultation and comments are welcome and will be considered Responses to the Recommendation Update will be posted this week Do not intend to include the ramp profile form in the rules (see next slide) Will issue a letter requesting participants to submit completed form before rule implementation Default will be ETS submission

4 Rule 6.6 – Dispatch Compliance Asset_ID Ramp Rate Block NumberRamp DirectionFrom MWTo MW Ramp Rate Per Min Below Min Stable xyz1UP0501y xyz2UP501203n xyz3UP n xyz4UP n xyz1DN n xyz2DN120503n xyz3DN5001y Ramp Rate Submission Table

Long Lead Time Energy Rules (6.3, 8 and appendix 7) filed with AUC in April Objections filed with AUC in April Hearing held in September 2008 Decision issued in January Pursuant to EUA subsection 20.5(1)(c) the AUC has directed the AESO to change the rule, e.g., –Update OPPs –Clarify circumstances –Define “incremental generation costs” –Provide a report mechanism

Long Lead Time Energy Draft rules and OPPs posted March 5, 2009 Comments due April 3, 2009 Targeting filing of rules and OPPs with the AUC near the end of April, 2009 (no firm date set by AUC)

7 Rule – Generator Outage Coordination Rules (5.1.2, 8 and appendix 7) filed with AUC in April Objections filed with AUC in April Hearing held in August 2008 Decision issued in December Pursuant to EUA subsection 20.5(1)(c) the AUC has directed the AESO to change the rule, e.g., –Direct the cancellation when there is a high probability of a shortfall –Provide a specific time period –Set out mandatory steps –Provide incremental generation costs –Provide reporting

8 Rule – Generator Outage Coordination Targeting: Draft rules and OPPs posted by end of April 2009 File rules and OPPs with the AUC in July, 2009 (no firm date set by AUC)

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