QSE Managers Working QSE Managers Working GroupGroupMeeting NotesMeeting Notes

3 February, 20103 February, 2010

Report to WMS Report to WMS

17 February, 201017 February, 2010

David Detelich - ChairpersonDavid Detelich - Chairperson

QMWG Topics QMWG Topics

Definition of WGR and implementation of PRR830Definition of WGR and implementation of PRR830 WGRPP Forecast Accuracy Update WGRPP Forecast Accuracy Update Load Forecasting Accuracy Load Forecasting Accuracy Zonal RPRS unit de-selectionZonal RPRS unit de-selection Implementation of PRR811Implementation of PRR811 Draft NPRR, WGR HSL update process (possible Vote)Draft NPRR, WGR HSL update process (possible Vote) SCR757, Real Time Wind Production by ZoneSCR757, Real Time Wind Production by Zone Forecasting Ancillary Service RequirementsForecasting Ancillary Service Requirements

Definition of WGRDefinition of WGR

TAC assignment based on PRR830.TAC assignment based on PRR830. Reviewed OGRR238Reviewed OGRR238

AGWR – Aggregated Wind ResourcesAGWR – Aggregated Wind Resources Aggregating for testing purposesAggregating for testing purposes Walter Reid submitted OGRR Walter Reid submitted OGRR

Other implementation issuesOther implementation issues RARF updates affect zonal and Nodal testingRARF updates affect zonal and Nodal testing New telemetry is due 6/1/2010New telemetry is due 6/1/2010

Not the same as Nodal availability telemetryNot the same as Nodal availability telemetry Will a Nodal PRR be required for thisWill a Nodal PRR be required for this

Compliance deadline suspended – what about rest of PRRCompliance deadline suspended – what about rest of PRR

WGRPP Forecast accuracy WGRPP Forecast accuracy analysisanalysis

Raw data supplied by ERCOTRaw data supplied by ERCOT Discussion of 1/28/10 and 2/1/2008 eventsDiscussion of 1/28/10 and 2/1/2008 events

1/28 experienced sudden changes; 2/1 1/28 experienced sudden changes; 2/1 gradual drop in wind outputgradual drop in wind output

Does AWS forecast cutouts due to high wind Does AWS forecast cutouts due to high wind and/or ice?and/or ice?

Ramping tool being developed will helpRamping tool being developed will help

QMWG asks that metrics presented to QMWG asks that metrics presented to TAC be supplied to QMWGTAC be supplied to QMWG

Load Forecast AccuracyLoad Forecast Accuracy

Market participant will analyze the data for Market participant will analyze the data for QMWG – requested historical dataQMWG – requested historical data

Questions on the RPRS monthly reports Questions on the RPRS monthly reports addressed with Robbie Staplesaddressed with Robbie Staples Report to be updated Report to be updated

Zonal RPRS unit de-selectionZonal RPRS unit de-selection

Notice not sent out Notice not sent out No update on implementation dateNo update on implementation date

Draft NPRR, WGR HSL update Draft NPRR, WGR HSL update process process

Reviewed draft NPRR Reviewed draft NPRR Available at QMWG meeting pageAvailable at QMWG meeting page Walter Reid to submit to Revision RequestWalter Reid to submit to Revision Request

SCR757, Real Time Wind SCR757, Real Time Wind Production by ZoneProduction by Zone

Production by region (?) is required in the Production by region (?) is required in the Nodal ProtocolsNodal Protocols

SCR757 withdrawnSCR757 withdrawn

4.2.2          Wind-Powered Generation Resource Production Potential(6)        ERCOT shall post to the MIS on a regional basis a rolling 48 hour actual wind power production and the forecasted amounts from the STWPF and the TEWPF.

Forecasting Ancillary Service Forecasting Ancillary Service RequirementsRequirements

Next meetingNext meeting

Next Meeting: March 8, 2010Next Meeting: March 8, 2010 TopicsTopics

Wind generation forecast accuracy Wind generation forecast accuracy calculationscalculations

Load Forecasting AccuracyLoad Forecasting Accuracy Comments on PRR833Comments on PRR833 Decommitment process for RUCDecommitment process for RUC Wind Generation Nodal IssuesWind Generation Nodal Issues