440 likes | 448 Views
Stay informed on ERCOT's guidelines for Market Participants' activities. Ensure compliance with antitrust laws and public posting norms. Updates and upcoming daily Market Calls schedule shared.
E N D
Nodal Stabilization Market Call December 06, 2010 10:30 AM http://nodal.ercot.com 1
Antitrust Admonition ANTITRUST ADMONITION ERCOT strictly prohibits Market Participants and their employees who are participating in ERCOT activities from using their participation in ERCOT activities as a forum for engaging in practices or communications that violate the antitrust laws. The ERCOT Board has approved guidelines for members of ERCOT Committees, Subcommittees and Working Groups to be reviewed and followed by each Market Participant attending ERCOT meetings. If you have not received a copy of these Guidelines, copies are available at the Client Relations desk. Please remember your ongoing obligation to comply with all applicable laws, including the antitrust laws. DISCLAIMER All presentations and materials submitted by Market Participants or any other Entity to ERCOT staff for this meeting are received and posted with the acknowledgement that the information will be considered public in accordance with the ERCOT Websites Content Management Operating Procedure. http://nodal.ercot.com 2
General Updates / Reminders http://nodal.ercot.com 3
General Reminders / Updates • Based on feedback, ERCOT will continue daily Market Calls through the end of December • Daily calls will be held once / daily at 4:30 PM Monday through Thursday starting on 12/8 • Friday calls will continue to be held at 9:00 AM • No calls will be scheduled on the weekend • ERCOT will hold the last 10:30 AM market call on Tuesday 12/7 • These calls will be focused on issues and MP questions (detailed market analysis will no longer be on the agenda starting on 12/8) • ERCOT.com Calendar to be updated with meeting information http://nodal.ercot.com 4
General Reminders / Updates Weekend Issues • 48 hour Disclosure Reports were posted late due to significantly long run times • Friday, December 3rd – Saturday, December 4th • Both days of postings were available for download on Saturday, December 4th • Some 48 hour Disclosure Reports first run dates required by Protocols will be delayed until late December • Both lists are available at the end of this presentation http://nodal.ercot.com 5
Day Ahead Market http://nodal.ercot.com 6
DAM Operating Day December 4 http://nodal.ercot.com 7
DAM Operating Day December 4 This is the net additional usage of transmission capacity by CRR/PTPs. http://nodal.ercot.com 8
DAM Operating Day December 4 http://nodal.ercot.com 9
DAM Operating Day December 4 • Top 5 unique binding constraints (based on shadow price) http://nodal.ercot.com 10
DAM Operating Day December 5 http://nodal.ercot.com 11
DAM Operating Day December 5 http://nodal.ercot.com 12
DAM Operating Day December 5 http://nodal.ercot.com 13
DAM Operating Day December 5 • Top 5 unique binding constraints (based on shadow price) http://nodal.ercot.com 14
DAM Operating Day December 6 http://nodal.ercot.com 15
DAM Operating Day December 6 http://nodal.ercot.com 16
DAM Operating Day December 6 http://nodal.ercot.com 17
DAM Operating Day December 6 • Top 5 unique binding constraints (based on shadow price) http://nodal.ercot.com 18
Price Correction for DAM Operating Day Dec 4 • Price Validation Tool identified issue with DAM SPPs on OD Dec 4th for 2 resource nodes: • Root cause identified • Gap in shift factors during price calculation only (post solution process) • Program fix identified, with interim flagging of issue to identify issue prior to publishing results • Communications • Notification sent in MIS this morning • Corrected prices posted at http://www.ercot.com/mktinfo/prices/pricecorrections/ • ERCOT will send broader market notice with detailed information http://nodal.ercot.com 19
Price Correction for DAM Operating Day Dec 4 http://nodal.ercot.com 20
Price Correction for DAM Operating Day Dec 4 http://nodal.ercot.com 21
Price Correction for DAM Operating Day Dec 4 http://nodal.ercot.com 22
Real Time Market / LFC http://nodal.ercot.com 23
Real Time Market Update http://nodal.ercot.com 24
Real Time Market Update http://nodal.ercot.com 25
Real Time Market Update http://nodal.ercot.com 27
Real Time Market Update http://nodal.ercot.com 28
Real Time Market Update http://nodal.ercot.com 29
DRUC • Execution Time = 8 minutes • 1 resource commitment • No resource de-commitment • 2 unique binding constraints; no constraint violation • DI_DWHI8 : RINCON_WHITE_2_1 (HE1-6, HE8-18) • SGLDSUN8 : 6215__A (HE8) http://nodal.ercot.com 30
HRUC • Average Execution time = 10 min (max = 19 min at 12/4 9:03:01 PM) • No resource commitment • No resource de-commitment • 2 unique binding constraints; no constraint violation • DI_DWHI8 : RINCON_WHITE_2_1 (HE1-24) • SGLDSUN8 : 6215__A (HE3-8) http://nodal.ercot.com 31
Real Time Market Update http://nodal.ercot.com 32
Real Time Market Update http://nodal.ercot.com 33
Real Time Market Update http://nodal.ercot.com 35
Real Time Market Update http://nodal.ercot.com 36
Real Time Market Update http://nodal.ercot.com 37
DRUC 12/5 • Execution Time = 6 minutes • 1 resource manual commitment • No resource de-commitment • 4 unique binding/violated constraints • SALAN_S8 : AIRLIN_CABANI1_1 binding (HE21-24) • SFORGIL8 : GILLES_8AT1 binding (HE8) • SGLDSUN8 : 6215__A binding (HE7-8) • SNCWMOS8 : ODNTH_FMR1 binding (HE 7-9, 23) • violated (HE 10-16) http://nodal.ercot.com 38
HRUC 12/5 • Average Execution time = 12 min (max = 19 min at 12/4/2010 9:03:01 PM) • 6 resourcecommitments • No resource de-commitment • 7 unique binding/violated constraints • SALAN_S8 : AIRLIN_CABANI1_1 • SFORGIL8 : GILLES_8AT1 • SGLDSUN8 : 6215__A • SNCWMOS8 : ODNTH_FMR1 • SPZGN8 : GT_MID90_A • XMGS58 : MGSES_MR2H • XMGS58 : MGSES_MR2L http://nodal.ercot.com 39
Settlements and Billing http://nodal.ercot.com 40
Settlements and Billing • Day-Ahead Market Settlement Statements & Invoice Posting Dates • DAM OD 12/01 posted on Friday 12/3 • DAM OD 12/02 posted today Monday 12/6 • DAM OD 12/03 – 12/05 will post tomorrow 12/7 • Reminder: QSE’s who intend to Shadow Settle must subscribe to extracts. http://nodal.ercot.com 41
Questions? http://nodal.ercot.com 42
48 hour Disclosure Reports Now Available on MIS http://nodal.ercot.com 43
48 hour Disclosure Reports first run dates required by Protocols will be delayed until late December 2010 http://nodal.ercot.com 44