1 / 10

ERCOT Updates Matthew Tozer ERCOT CSWG 12/09/2013

ERCOT Updates Matthew Tozer ERCOT CSWG 12/09/2013. Review of NPRR570. Phase 1: Reduce posting date for RTM Initial Settlement Statement to 6 days after Operating Day Starts with Operating Day 1/1/2014 Phase 2:

eruby
Download Presentation

ERCOT Updates Matthew Tozer ERCOT CSWG 12/09/2013

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. ERCOT Updates Matthew Tozer ERCOT CSWG 12/09/2013

  2. Review of NPRR570 • Phase 1: • Reduce posting date for RTM Initial Settlement Statement to 6 days after Operating Day • Starts with Operating Day 1/1/2014 • Phase 2: • Further reduce posting date for RTM Initial Settlement Statement to 5 days after Operating Day • Reduce posting date for RTM Final Settlement Statement from to 55 days after Operating Day • Starts with Operating Day 5/1/2014 • Approved by BOD on November 19, 2013

  3. Phase 1 – RTM Initial Operating Day + 6

  4. Phase 2 – RTM Initial Operating Day + 5

  5. Phase 2 – RTM Final Operating Day + 55

  6. What a week with holiday looks like

  7. Upcoming Default Uplift • Due to RTM Resettlement of Operating Days 2/2/2011 and 2/3/2011, defaulted entity Abacus Resources Energy LLC (QSE) owed ~$7,000 • Market was shorted on 7/3/2013 • Default Uplift Invoices will be posted in January 2014

  8. Production Issue – Settlements Input Data Errors • Overview: • Certain EMS data used in Settlements was incorrect for Operating Days 11-1 to 11-2 and 11-4 to 12-1 • Detailed Description: • For each Operating Day affected, the error resulted in settlements data being shifted forward by one interval and the first interval being replaced with the value that should have been in interval 96. • The impacted billing determinants are as follows: • AABP - Adjusted Aggregated Base Point • TWTG - Time-Weighted Telemetered Generation • TGFTH- Telemetered Generation for the Hour • AVGBP - Average Base Point • AVGREG - Average Regulation Instruction per QSE per Settlement Point • GSSPLITSCA - Generation Resource SCADA Net Real Power provided via Telemetry

  9. Production Issue – Settlements Input Data Errors • Charge Types Affected: • Real-Time Market Base Point Deviation Charge • Real-Time Energy Imbalance at a Resource Node • Payments and Charges for PTP Obligations and Options with Refund Settled in the Day-Ahead Market (DAM) • Impact: • The data errors did not reach the 2% threshold needed for a Real Time Market Resettlement • ERCOT is still analyzing the DAM errors to determine if a DAM resettlement is necessary • Root cause: • A code fix implemented on 11-1, 2013 to resolve a defect associated with the creation of S&B bill determinants for the DST long day inadvertently introduced the issue

  10. Production Issue – Settlements Input Data Errors • Resolution: • The code error was resolved effective12-2-2013 • The data errors for the impacted Operating Days are being resolved individually and, updated data is being pushed to the market through the Settlements Input Data Extract (SID) • Data for operating Days 11-1 to 11-10 and 11-28 to 12-1 have been resolved • Remaining Operating Days should be resolved by 12-13-2013 • Real Time Final Settlements will use the corrected data

More Related