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Emerging Technologies Working Group Update to WMS

Emerging Technologies Working Group Update to WMS. Contents Update on NPRR 588 Solar Forecasting: Draft NPRR Next ETWG Meeting. April 09, 2014. I. Update on NPRR 588. On 12/17/13, NPRR588 was posted. On 1/15/14, ERCOT comments were posted. On 1/16/14, PRS considered NPRR588.

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Emerging Technologies Working Group Update to WMS

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  1. Emerging Technologies Working GroupUpdate to WMS Contents Update on NPRR 588 Solar Forecasting: Draft NPRR Next ETWG Meeting April 09, 2014

  2. I. Update on NPRR 588 • On 12/17/13, NPRR588 was posted. • On 1/15/14, ERCOT comments were posted. • On 1/16/14, PRS considered NPRR588. • On 2/3/14, a second set of ERCOT comments were posted. • On 2/6/14, WMS comments were posted. • On 2/13/14, PRS again considered NPNRR588. • March 18th PRS Meeting • Agenda: • http://www.ercot.com/calendar/2014/03/20140318-PRS • On 3/18/14, PRS voted to table NPRR588 for one month and asked ERCOT staff to consider whether cost saving implementation options were possible. • Will be back up for consideration at tomorrow’s PRS (10APR).

  3. II. Solar Forecasting: Draft NPRR SEE DRAFT NPRR DOCUMENT • Short-Term PhotoVoltaic Power Forecast (STPPF) • PhotoVoltaic Generation Resource Production Potential (PVGRPP) • SECTION 3.13 Renewable Production Potential Forecasts • 4.2.3 PV-Powered Generation Resource Production Potential • (1) ERCOT shall produce and update hourly a Short-Term PhotoVoltaic Power Forecast (STPPF) that provides a rolling 48-hour hourly forecast of solar production potential for each PhotoVoltaic Generation Resource (PVGR). • 5.7.4 RUC Make-Whole Charges • 5.7.4.1.1 Capacity Shortfall Ratio Share • 6.3.1 Activities for the Adjustment Period

  4. II. Next ETWG Meeting April 30 • Updates on NPRR 588 and new NPRR • (possible) Presentation by PV Forecast vendors to discuss best practices and telemetry requirements • Other items, TBD

  5. APPENDICES

  6. Requested WMS Motion • Motion to direct ETWG to file draft NPRR on PVGR forecasting, as presented at 9APR2014 WMS meeting. • Motion does not convey any endorsement of the text, or merits of the draft NPRR.

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